office de la recherche scientifique et centre...

CARTOGRAPHIE PEDOLOGIQUE et

ETUDE D'UNE TOPOSEQUENCE DANS LA

REGION DE DIALIKO (SENEGAL-ORIENTAJ,)

RAPPORT DE STAGE

S. TRAORE

SEPTEMBRE 1974

OFFICE DE LA RECHERCHE SCIENTIFIQUE ET

CENTRE O.R.S.T.O.M. DE DAKAR

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E.,he.lle.

DOSSIER DE CARACTERISATION PEDOLOGIQUE

CLASSE

Sous-classe

GROUPE

Sous-groupe

Famille

LOCALI SATION

CLIMATOLOGIE

N° PROFIL . ttl.~ ,~ ["

Mission/Dossier ..1

Ob serva teur : ~~w.~ .Date d'observa"tion : ,~j(Q'J14

, , .;f;J~~~"'"Document cart.refere~.ce: ~~~~ •. ,: .'N° Mission I.G.N. :'Clm:~·*:"l@N° Photo aérienne :,~. . .Photographie :

Te' ~~I'i"",~ioW(iIt'il~,.yp .,_ ~Pluviométrie moyenne annuelleTempérature moyenne annuelle

Station :~~Référence : l~ll~'a

SITUATION

Géomorphologique :'1a~4tlÎt.~O~

~~TERIAU ORIGINEL

VEGETATION

UTILI SATION

Modes d'utilisation: aUCuneTechniques culturales

Modelé du champ :Densité de plantation :

Rendement ou aspect végétatif

EXTENSION ET RELATION AVEC LES SOLS VOISINS

DRŒRIPTION ,DU ,pr.onL

h'ofilno a l

Groupa .,$Q1. peu éVoluêad'uosiClC

Sous-Group_a S018\r6aoso11quas

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Jt profondeur •l 0 9cm •! -l

A'rl'1t111 9. 32/31 cm l,1rt f) .1t1ilt 32/37 - 61 cm"Jtt

~2t:!ffr 61- 99C1ll •t!

t~C'1:l!S

• 99 -130 CD '&11

Bnn (10 Y1l513acehm.oyemJc.œnt Ilœ!fêl'.lt••~e sableus11! .truc~ur. de la ~e~re'fin~:~~tgrucolcuso duC 1 uneèCtlvité bl010a1qûiiDportailteJ poroalt.' d 1ensem})le bonne 'dueiluzgraVlllons, coMillon, cl'cnsccble [albl."-tï~:reuses,flÎÏ~.-:-:rad1cC)lteB ~' '8ratilnâ~sèt: ttaeïlcol1.a cnoy~a ü'4rbuate8a 8l"av111OQsâ couleur vlo1ac:€eqlil-à ta caaauro.ttont1:ent doscoloratlCD& jaune.. '01: oerea -,.ppel*nJ: legrès du COiltlnc:nt.l teœ1nal; &w.-~ ~ ~paasage nêt et ondul' Il'

BrUQ bi:un-scmbl'o (l.S ,ft 4.S/5 sec), ~I!StUQ a-pto....bleuae':.tJ\IC.uregrlCOleuse flna 40 la tern ff.noJc~_4ten$=blefalblé; ncm~~U8as Rclnos aoyenneaet radieelles plusnœb:teucn. quecklns l'horksoiipr4eidént J graytl1c:lll81:101.1lancœbreu .'8 <le :tailloid...,tiquea l' i

ceux de l'horizon aupéz'I":Ut: (~~c,d:qu.$ UII à 2 CDh par .place ,(m,tto~e\'le. d'bris: ,'docoUaase.bè4ucoupplua sroal~""'"+ 6-:~ ~~.passaae net 'let régulier à, ., 1~-1~

OC" b~trt () ft 516 œc}~vcc dcl'noabnuSë8 fmeatC1chea~ou&es(2.,5 yJlfS"',8 aecht"=,*a.t811easolt~ StrcCluodfœaailble prtSQ3Uque~t.. etr~tœ. polyédrlqu$ flll~ .: la te~e ftneJcobésiœ faibles sra'vil1cn. encore, 'ftallbreUà avec par place: do&to8~brt8do reste dQ e\d_S8", act1vtt' raètnai~(l foiblel ~':'\...;).~.t.~ + e-. (~"t' 1~\. (k",~ .

·, . .Il· ~.plssage Ilet 1 N r"""V'~ IVAAI~~

Rouge (2;5 YR 4.S/6S1l:e) ovcc- nombreuses "taches jaunes (2,5 ,y* 7*18*sec)violeetcêet, blailChAthIJtè#U1'e arS!1o-sableu.le. Itruetœe pd,ri_tlqua. coMsien fotte; porQslt' tabulain fiDel lu gdVtl1o:uI peuna:bli'euz clispar.tsacnt ê', partit' dam CCl de p'tofc:;nA-.oura cet hortsOftc:orl'cspGll~~rs:11e.gr~seuSQ41ee1;~e d\J Contlœ~àltermtoalJFsœge -~lilnu èt c;'ldu16 t I~ /-..$~

~l. arsUèUX p~u .itû6 du CQiltloCDt.l tm:aln!li œplacèa j4un~Jtouzc!tre (S ft 6/8 sech a tea_...rallo.sableuse, stl'uctU1:a mssiveàdébf.t anguleux, coh6don. fore. 1 t~èa f()xte; taches l'ougclttl'ea et.peu vlslbleadana la_ISO'. /t,/;""- /~

*" ,l&1ii", ..N..~

=DOSSIER

Profil nO -1Echantillon nO rtU" tl!i,~ .l'IHt: 1ft4. l''I~

Profondeur en cm

Refus % YÏ\:'i\ ;.fI,t..:Â .~Â,'·. ~'A,;~, j'il,'.'.~

GRANULOMETRIE EN %

Humidité

Argile

Limon fin

Limon grossier

Sable fin

sable grossier

Matière oreaniaue

.... ."A,,~ ~,,,,.'t....'.. .....

A•.,-li W",.fi....~ .".....i*t.A 'li...~•• w~· .,.,

j'"À ....,tÈ.. .,'"

i!\tfI.~ nà.a,

t8''''~ .~",,·C·

CATIONS ECHANGEABLES

Calcium Ca-\+ méCl % §ii9A I}' .J G,.t!'".

Magnésium ME:'l+ " 1.:.5è ·O~·!8 C~'30 t')~at) 'o.asPotassium K+ " lI.iS. D.:m ~é6 Olilfi; OM'O!l

Sodium N+ " blini: (»':'01 ÔIOOf 'O..'()l tî-Cl,. ", .," .

S. " 6~ijfi !6~a 10.,!41 0 ..5:3 ()~42",' '

....... .'

Capacité dl échange T " 5';'4 ~.i;œ S..5!i 4:.r.~l loiM...' : 1 ,,'

~A\II'lJ tlIL.à,8fT = v. "t$",~ -Q~~ .~"';;'". , ..CARACTERISTIQUES PHYSIQUES

pF 4.2

Eau utile

Perméabilité , .FER

F203 libre %0 $bClO :~~a;o. 6(1) .e:.,(X) .tP·b··~'-

F,O,:\ tota'l %0 101B 8(0 '60 9j'o- "J~O..f . .,..Fer libre/Fer total :41,1 ,~,,' :$6A$ :~t#j' 70'.1

~rofl1 .El

Le r~lJS' :est très impott.antc1ans léS trot. prcatus hoJ:'izOI1s eolluv1011Da$rcs ,ou.

c~c:entrésfmr l'lac.e" paZ'eontré~ 11 est nutemcntplu$ faiblo &lns le8dctIX demler.

(8r~8 alt€r,' ,et.8fà"wr 1.'lace).. t.texture :do la terre tine ~,t"GO dans le prœter ho

zen pisse r~p14~t 4bs 1. second, A UDéteJltœ'Q' arsUo-sali.JeusQ lIuls.r$:lleusecr:nsulte.,La teneur C!DiS4bl. fin .st supir:l.Curè' • c.l1Cl .~ sable __ossterp1':u;î~uct1C1itdans toua

1~8 bœl&ODSol' X.e ,grad1~td·,.~gll. $\profœdaul"" :plut8~ qu·àun loaslvase' vertlcà.lest

plus tacilomont conccv.à~l.. ,1'8.1tUlUl "-:toston .(:ft n:lppo qui .Ul'~tt ,pour Cons4qU$1Cè ;un'~uatn~des élément. fins &lu, la p$&'tte8u.Pé~ieur44eCfit profil situ' sur utlO

pente do 7 7. ,environ. La Re1'D6â~Uit' blen~Uè non Jnesuréé- est cuuln<=mt.tr'l!., !mPo~"

tante(obsètv.tt~4etel't.~n) :~S: l~dewr;,prœ1~. hOJ:t.on~(A.causa de leur ,t.our"

en· 41Imcftt8#oslItua)dUdriUê se1ls1blément èna, le 3bè. 'horllCll,(â: cause de 8:lt~zture.)

lit dans lé sri.(~ cause.4iesa ,.t.,.uçture).. -. .

~-~ryt.<ttauz.g.é l:Ibti~rë QJ:gatiiquè ·en $Ul'f,ee ;fSst moyen ~ 1~ rapPQi:t C/Ude :14•.~

'une :c1fce:tq)Qsf.ttm œ,.œ:me~ 'cid:l~i'.)&t çett_ll:Iâts.ire O1"gatil.~~.

"1.thorlzcü de·surf.ce,e}, ~J: ta: J,lJAt@a:eœpn.Iq1,J4: ,J>rOV'@m;l~ 44 la dicCX2Posi-- . - \

ticm de 1. stwlate ..a::1ln€<mrt. PJ"8~Dte du polutel. V1.te c:~que JèS ~~:lçul.J!ltêa.sui-

;vantéS' ,prl'apport.Awe4utr.. horiIt0lt:.8"

- une,sODlllScl~' bases œbangeableset une sat~ïll;.tOli Î'.~atlvCâè1lt ,'levée.s,,(4.10 meq 'et

71,4.~) dalo:râqui el1eattebentbzutalect)11t :.t (t~~s. curteusement)à ·d6fatblea val~UJ:sdô. le sccœc1·hodcODâ(O.46 œq ,et9,i ~)

- .J,IDS teneur coyenn.sen ealçtlD '~t :Qtlgn'slŒlaloJ:'s q~ _na les autreshol"lson.,. lat:eneur dl ~lclU1:l,est ,r..tlq~t nulle et <:el1o: • 1:l8Sthtsiua tt~8talble et Cm1stant.e.

Cà/Hg est tJl'ès, pt~; èb 2 4ans 14 gr«:ttQ~horttcnêt 1.ma~éai:~d...~tent 8U~rieUl'au

calclœ d~8 1.~CÎlaOOl'tS'œ. ~a teneur·éIl ale!uœ dànacetho,tzon ~. surfae.ajout4,A. 1~effet èsgrnvil101lS'cspllquola stl"Uetuto g4,tlculÜ~Qnentb~~ (f:lnem,ent gJ:~.

leuœ) d.e 10 terre Lino.

:l.ea taux de Il)èuz:atlœ Iknït curiéuile;zlent 1:1'08 taiblcut~ 'ri!lppellent: de. taux ~B:lturatioo @sols tertal1ttiquea. Ces falo1es v41~1'8 c1e V &::r SI! Sont èsscntlel1~t;

4U~8 l la 8~de8'~b{l8~. qui.àtpaxt:lêul:i.à~t.,faible'. En. t>ffet. 1. capacit4 4'~go

cIe 1·.rglleâonnQ4io. chiff1r08 kl l ordre &:t.celUlqU'en pOllt st4t:t.@c1re l ,t~OUVO:f" dans

cettei .ré$ion (10 • '20 lIle;, ~our' 100 8 cl·,ar811* lœolj,nlqu.e).Cétt.~satUl'&tf.on.dG c~lU3.~U1 œ. 'fotl'OUV. toue 'AÙ lems 'de' .. ~6qu@Cct 1: ·~t' llgt~ep~,: 'SOCQUIU d:. CLI\18fB (1963)

4lms l.~ 'tuâê • 'nçClmÀl:$SANCI l'.IOOLOGlQl$ DAl'$l.BS VALLBSS DB ,LAGA1:IBISa'1' .ni lA

ltOULOW'l'OU"'t L.llyJ.ot~.:d.a k44Slturaeion 'œ.. matériau 41.lvolutf.$ ·upl:1.queràlt eli&; fal

blos. v..leura·d~ v"

.ta: 'tèn(,:!~ 'i;ln f_~~al déC~ottaVecla p,ofca@uJ: et le #appœt '.J:' lib:J:olFer

·toe.l tumCreunet plue ~do$bll1t'du f9J;" QUa. le., borb~OIul .,~ofon4S,,avec :.ppultlon •

taches t'aügés don. te, 3~, hort~OIf. Cotte =btllt' .GU' ferC!!crot~ '4an. le_ès: • :p14cO.,14 v~s..t1CJ1'i '4à'l" tênCtnr .~. fer ltbl'e.1nv~rsc·be.llé ~n(er~otal&insfIes, t:1!'ola

pxcmt~r8hot':1.on8., ë$tptobàblœent dO A. 'UU ,apport4.tcr tlobl1ê. a~, plàtcau'•." . . , . . ..

-------- - ----

CLASSE

Sous-cla sse

GROUPE

Sous-groupe

Famille

Série :

.,,",' ,~\t. ...';:rr;".~ .. _,_'

Mission/Dossier :

Observateur : $"'~lAOJ$;

Da te d'ob servation: '2.t/b'114·

LOCALI SATION

Lieu: .$0 #émVlt.~ l .. l.J~'l:.~j tlt)oÏS,\Coordonnées Lat.tI: ta. 21·' ,

Long.w:l,a~ 4Of 3O,f.tAlt. ..] Z ~.,,-'

CLIMATOLOGIE

Document cart.référence :t·12eoœo~'f~~AN° Mission I.G.N. : 70 'm>afbtXJIt\~N° Photo aérienne :S.a& '.Photographie :

Type : ~1«ii~~'••Pluviométrie moyenne annuelleTempérature moyenne annuelle

Station :~1lnlA

Référence: ~~64~19'a

SITUATION

Topographique :'ê.t••O$lMI'Drainage : lit'trie 'boï)~ .Erosion : '*J.•" . Pente % ' '.'"

MATERIAU ORIGINEL

VEGETATION

Aspect physionomique : aw~.'tbU.'~.V·ÔComposition floristique par strates :

'. :••••~Il'f;lv" .• 'ti,ttd@lS•• '4~~~~.o't<"U•. ~_t.#(:t«••• b~'GïÛîl1~J ,. '.ft~~OC.i*,"U._1_ê'O"J~"~~."t.~.Cot4,1•.~j_t').Vjt,d l;l#4imd." ,~Ü.'M· fl*btl,l,lfe. .

... 6.......'8..t...·· Â. 'hetbI.·'.' .-te...' : '. ~"""ftiià.·on . av:ltïlUâ.'.,., ~ "" .. . .. ~"'~'I';'" S· ~_." ..

UTILISATION

Modes d'utilisation : ~'4J tDtl·~'@\\:i.~I~Techniques culturales :~I~t~.

Modelé du champ: ,.flat:Densité de plantation :

... 31 ~;

DEOOR1PTIONDU .PBOFIL.

PROfiL· E 2

145/168cIV.· t'Gd•• Cl place, llt'i texture .\llo-argUeusa. structure massive; ;, alternance da' Uts rouges (2',5YR 4/6) • .1aoo•• (2.5 Y 1/8) et violacé•• !

1 lIort.on gt8villonnaire; la' terre fme est .~ couleur' et da textureidènttques l 1 thol'lcOD sup'rl-eurJ struc::ture o'en~embl. polyédi:'f.que,structure <le la terre fine est.poly4drlque fino; coh6s1on dtoneea.blefaible; gravillons plus ou 1:1Oina arrœdla l eortex tDài'~roUle.tas.ure v101àc4eJ passage !ont1§]par intermét,\l$tl'e du 8r~s argileusaltéré. "'-vi-- i w4,.r~~ ,

1 Cr~. arSUeusnec des couleurs rouges (2,5 ft 4/6 sec) J.aunes 1(2,5 y 1/8)~t vl01ae6el. tenure argilo-sableuse. structure pria- ,tique; eohéslon moyenne ~ssant progressivement A très forté ën profoa- !"deur,p8s88ge progresBif' et ondulé. . il..

. ..' ~~~. g~

() - 10~, ,J,Brun(tO YB. .513 aec)# tQ:tutesableus;;. 8tl'~turl) fOl.' 'Ut); à. ·~4btt.~ ~t.~eUSJ coh$siOl\ï:U)yenJ:lêl P01"os1t'tubul.1t'$falblOJ nŒibrC!\lsescavitt!.,·biologiquesJ fines :ra41cellcsf petits' ~avUl~•.:cole di=tre c.oycn

A-. ; 2. 'JX:l;.arrondts.cWi. 1. ~8ec. .;Passaae nèt ictr'su.1:I.er.. . ( .. . . .. .l~ ......."" Ir" ,

10· ... 28/29= .:, Brun . 7.5 'ft SIS ace) tcntturlJ GrgUo..sableusoj: .t~tur~fondue a. tCll-Gancep:ti_tiq~eJcohé.ionQOYènn~•.fortë; PQrosit4 tubQî.a~e· fin3Jn~uses cavités biolosiCDiCa dans; ieâq,uolloa en' llQ1:e une. 8truet.Ul.'4tlon 81'1IIele.usl) da 1& teneftMl 'quolques.~:liJ.Q~d.-t"ccttOQ hodzCD~.1f!J.noduI"8.aae&'IlMhOlmeJLet indurées;pas-Se .prosres81f et l't~recL.."Ilt oDdul' .

28/29-75/78 cm 1 Rouge, Jaunltre ,(5 -YB 61'6 ~hte:lturè àraiteuse; structure prt_d.. ,.' que' moyenne, cohésion moyenna l fortel poroaité tubul.irefinlt et

., .f) 'l.' vacuolaire :tmpo~tanteJ activité blo1oaique très :tUlportantê (nQribreus••cavités). peu. de rac~ç. fines èt loea1:1sées dans la cane d'.ctivité f ,fauniKtquel ~ Dcdule.encoJ(enombreuz;passaSe net. èt on4u1';---'-

11111!!t1111r1!!1!111

: 75118 - 98 cm.

: 98-145/168 cm

•J1!!11. ...... - .....' ....... ___

'._ :'t"' '.,= . ...,~!~.

DOSSIER

Profil nO

Echantillon nO

Profondeur en cma

..GRANULOMETRIE EN '%

MATIERE ORGANIQUE EN %0

Humidité "'.0 J;'~j1t.~ fi;.' ~.... *...

Argile "'.0 2.1.7 W.·1f , ~I;:~ ~fJf.;l· 11ft>j~'

Limon fin 6.4' '.l ~t6 ~.4 7·,4 a.o'.',Limon e:rossier

u,a ljfJ ,,0' ''''1 '1.0 V_Y.Sable fin ".•,Y "l.7 ~i.C i.QJI ~,.., I:JC>..U

Sable p-rossier It,~ .o.~ U'~~ .:#.7 "'.~~~.O

Matière organiaue'08 Oll..~\J.O "~.Q ~t.I.Q

Total1!;I,~,a ".Jo r;~.y

Carbone

A C l D l T E

H eau 1/2 5,:0,4 ~..~ ~- .:, ..

H KCl NIJ,'(i. 4,0 4.0

Calcium Ca-i+ méa % I,OD O.I~ 'Q.l.~ YjJC -(f.l~O 'V_~1:t

,. o"nMa~mésium Mgi-t "o.,JO O;~ Ot~ Q,4a O,4C):

Potassium K+ "O.Ç4. '0.,'03 O.5J~ Q,ji>;t O.{)i Oiq;t·

Sodium N+ "OjOl °t-'01 9.9J

S. " 1.62 'Q',33 0.4' 0,,6:4 0,00 'o,a,~

Capacité d'échanl:!e T "~.40 .,0& 4;48· 4..4& ~j~'1 t.~

SIT v. 67.' :e,i 'lO.Q a4,~ '-'.': ~(1.a

CARACTERISTIQUES PHYSIQUES

Eau utile

Perméabilité

Profil B 2

Caractérist19ue. physigues

La texture. de aableuseen surffieepasse à *rgilo-sableu.epuis argileuse jusq.ue

dans l J hor1&on gravll1ônnaira ~ on note un Tafus de 61 ~. >ta léger refus dê surface e.t so',t

la ~cnSéqu~cè d'un tassement sur place solt4·'1émentâ colluvionnés.Entre le 3~me hor1

ton qui ila présente ,aucl.lnrefus et 1_ 4b1e hori;on où lé refus est 4e 61... on constate .:

- les pourcentageâ .41'·.1'8:1.1., de limon f1ilèt grossier etdeS4ble gt'o••ier. sont

t ...~s voisin.

- 1êrappon llmonfln/lmon.ros.lel' passe de 0.73 à 0,81

Ces constatat1ouspeuvent 1.1.ser.u~poser(lU'U n'y. pa. allochtcaie entre le. horiZons

sup'rieur. et l 'hol'izon p'avll1onnalrecœae 11 le aêmblel prèlDl~revue sur 1. terrain.1.esl'ès en place (horit:on E 26) est un arès beaucoup plu. sableux (1 dœinancesurtout.

~ Able f1n) que le gt~......dea profil préc'dent (horizon 1 15) etc. malgré. la très faible

.41st.nce entre lèS et.ùXprofUe (environ 5S 111). Geci·.st en faveur d48 changement.- de '

faciès très 'rapide -ëlltte les différentes couches subhoriz:ol1t&lles :du grès du Continental

têmtnal, ce qui rend lë. lnterpritatlons malal.'6s.

:caractêri8tiguea clwll1gues7

Le taus. .de 'Dltl~re oraantq.ue est fAtbie et sa lIi1néralisatlcn peupou8sêe. ,... •

te.· teneurs en bases khanse."es sont t!XCept:t~êllem.eilt fatbles ( < 1 meq

.sauf dans le' premier 'horbon) ·et suivent les· taud'aralle. Le rapport Ga/Hg est égal à

2 dlDa 1. premier b,onèon put. le. teneur. 4!1l1D8pésiumdtviennent supirteur•• l celles::

4u ca1ciu:a. Les remarques- c~cemant le tauxdè &Sturation sont les mts:iés que pour le

profil précédent.

Le pB l'sèr-.ent acide jen. sutece l'edevient plus dans le reste du profil et

les dt(férence. pH Jœl êt pH eau supf:rieures i.1 dans touS les horizons.

La teneur èn fer cro!t.vee la profOlîdeuret 1. rapport fer' libre/ fer total est

trè. ilev' dans l'ensemble du profil et aensiblement. constAnt.

CLASSE

Sous ..classe

'GROUPE

Sous-groupe

Famille

Série :

. N° PROFIL :1 ,S: .a 4., a $:

Mission/Dossier :

Observateur : :~ ,,~, ,Date d'observati~n :#$/Q3114

LOCALISATION

CLIMATOLOGIE

Document cart.référence :~/â~.().~f~N0 Mission I.G.N. : 10;~lD ~b ~/400N° Photc aérienne : $~JPhotographie :

Te: ~b.ltCIji!A'A'i1~'I.,yp --,' .. -- ."!.'f~""" ,,"Pluviométrie moyenne annuelleTempérature moyenne annuelle

.f~B4Station .964/,191%Référence: 1 ..... ;.: ..

Géomorphologique :çl.~I.

SITUATION

Topographique: '1;).,11"41#'4' , ••• ~t~ jJtWlAl.Drainage : :$.·~t~~ ~tl1\:Erosion : 1# liIP)f.Ul)l'i

~~TERIAU ORIGINEL

VEGETATION

Pente '70

Aspect physionomique : -$4't'lttl; ,.:r~tlJ;~t.~.·~U*S'" :4V'ec. .~'t;.o~ ..~~Te (1Oll'~Composition floristique par strates :

""...~bti' ft~1,Jt.etv. Ii·t~'~~.alu.#."O~:àg~....~_:I.~"11Î"#ï:".~~'AlJt4.d '~iI:""'''ad. "'..iMA! .... •.• .

• """çlli\l~~,~. ,l'''''~~~''.' ,!V~

~$l~o: ,*~tti .:'Al\U~~a9#' a~'@U.At, iV.~ttV.ïJ ~$.tt4.J! :ltlbl~~1 ~,; .~.~. '

UTILISATION

Modes d'utilisation:Techniques culturales

Modelé du champ:Densité de plantation :

nooUPE' .. Sol& n .A....· . O~s:·-,.4....·~<if. . ·~à n ." A_... t· :c~ ". '.' '.~ l .. .' ..Yw..:~'Nr... " ~~:.;l~,. . ...~~~ .~....~

~4:i:~ .:;A1i~lldQ'''~~'' 4~' ,$mff~o:

.F~U(1 '.':ï4\#.' ~t'~t(î~ Jbtgtl~"'~b:lE)~à ~:t;stl.c~~

i .,Il ''!J". ';' .'.. • .t~: p'O_", ::. ",r.'"

l1Qt~~~. ~.11t~U-Cl t~~. t~~' 'b~un .tt'a-s· p4t~(10 ta 1/3 ,~~)~~U.1on;:;.a~tl~~~ b~~ 1.'Q~~«Jttô' ;.(~..' 'Ya :4/4 ~~l~.. I~'" .

nt'Uhj:t:b~ »4.10' (ta n 1J3:s:~) '4V~ lWeh~Cf.j,A~qft: l:U~QtltK"ê: (S l!W":6fiw '$ÇI:) t'(4~Yto· $lt"t"il~...~pt~1.t~t $tt'uet~~ ~t;41vl)a .û6blt .p~1~, \ttqU$" ~~8.1Œl;t:~~~p~~~:t.t:(i tuPulairq- c::....a~ 'ÎtapO'ttil.ntèJ( :qijCî,quo:$. if1.tlC$ li:~dicl'}tirisl(l:çt.iv1téhtQlon'.tq~; f~b1:Ql taçbo$ .~.f:~Q~ei~ ,44, ,~lu:fi! ;<m p.tua lll~r~llr;f'.$ap,3tl;'.~'jfdQ 2$·~ !tg l't.Qt:~~llt1f3t#.~ J?à~s:Jt9"uet:,

( ., '. l' h. F _.•.

1t....tt,l;

tj."1.tfti

.f '1/& -46J4.&. :Qj, .:J;

J:tt'1Jlt

.'tlll'lltli1:·.....__....._.• ,........... -•._,__- __.------__...._ .........-...... _

'onoœu. 'i, Sf>ln: n,-d't«t~l1.Q$ Ubi~tl.Q.aa\p~J,J.donlèY

.Sç.y;• ..ç:r4)l.W~ t A Pt!e~o'~.Bî:é1 ~n ·~yt'fê'ç~

~" .' '., . . .''i..:J'''' Il'' 11 ' hl . '•. Â.rt-..tl· .. ."..~l.;t;~" ~~t.~~q, .. r~ .o--,~ ~~. ~.p...;. e~;

~.t~:B't'~11!1ton.na1;r~.1 t~ jS!u~ :&tî$ eia1,;- (tata 1/1 ~)t;~#u~eAtct1.o..~blQ,u~Ji 'Cttue:turè~i~t:t~ !'t'Pl~*; iC~GtQ1f!ltblQ;~111alQ- :t;,~~,s., tl(dn;~ ,(50: 1.c:nvtttQilh:n«:lb~os; ,tce.hô$'bJ."un.rO\1zctt~~ ,c,t v101.4céetl '.duq.s; lll~:z.~ êasâutc$i dcnl t.rWU1(ills;tlébtin ,d<:t rnstodè ett!.rilStln~ p~s.SJ~ p~c.~O(l$1:f'~ .

~@h; ,;t:ta{l~I~, ,(1~ l'a .1l3, 1.i~>,lWQ,~ J~~~.~Wé ~Qunstlt~~.< ... ", _(S~ lfrJ,8r ,$eC)J, t~~1=e 1,1~sUo·albl~u$C; ,-St.~t~G: tjCJqpf,'q~ A:.çâbit pt!~tlql»$ cob6&i~ ;f(irçCl' .,t:ldfOutté :tUb\.11a1~<Q.;t~à$j. .'.~~rtunt~;-q~di.;lUèa f1i1'ês ~adtç~tlcs~ <act1vl~6 ~blo1ôz.~qq~fQ,t~1~f'J.~~, t;4.ch~e; ·-.te :re'o~e:1Q'J1 jt;l~$; t(;lgc~trc;gï ~~ ,~ plu$ '(ln pl~tl-'U~.te~li~.$J :~t,!$'s;JCÇ; 'n,~t' .,

,f:l't,~

lÎ:.~

t1.':t!tif!l'..t 11a:1in4~e ÇQ;. ~ <:q1l1~ul! l,)~~ ~ol.tz~tro. (2~S, Yi 416'$O!C) ét ~cH.$pà:d.1·t t~M ~:~ .r~t>~'lt11JOb.$,~ çnrnp8'C4.â. fb1a~ voinu1.c.èJ 4.~;;ttstle~ ..ÛO.· pofnB.l œ PÔ~J1S dure~~, ~UX' 'ct a ~t~sure .~ l~, gr:ofœ~1,\.r. 't1,..

~. 1)' Cirl#, é(J,O ~ '()Jj,$~) tetmutë; .$.')Ql(,!Q~lrt1;~tU1t~ ftmdço: a..dçbttJ: iat~ p.rifi$t~q~; ,;~ohé~1ÇJl 'C,~~Q'; a .f~t~~ PQt:ôt~t6 'VI,\,,",.1 ,~uoitl:i)::Q, _Ql~nt~. ·et;t..ltfi:t:t'Q.ftp.~.J ·n_@~~~e~CtiVltéG. ~én()te. ...t ~t :gitC-, ~tivk6 ,bi~lCBlq~ ~~csnt.QJ; ftnQs ~~.dlça11~f;Î poul ~~1.=Q~C~l ~~$1t.fJ: :~ltti~è~s:tf" . .~i

1 '." 32, .

)~ 1f t~_'._,_._...-_._'._. _·_ _1 __I.J"'-__._' _.• ---;'-,-. - --"'

t,-.---- --~--,---.-_._~·""·_'_'_LL_ __- -.!'!"'.! ...,.\ -.:_._••_,_._(-(---.--.•.

~ 1t ~QtQ~' 1:f tî :Q -.71',~.

'.f"'t,$l,ff'r..,

•.l.tJ $2.. "'rI''llitt .':1;l$1:7. .•' ,2;00l!f.•

t". -:

::: ;;;

DOSSIER

Profil nO &5;

Echantillon nO a·SI. 8,Q· ·At, '1 #i , .: ,

Profondeur en cm . , . "

Refus ~~,

li!.' i4~'... •• r;

GRANULOMETRIE EN %

Humidité '0.6 1.8 ~.3 a.iArgile 6.0' 8.,$· !4.1 "t.tl'Limon fin '.4 &ilt 9:1" 10".'Limon grossier '.1 &.a 111:4 '.4Sable fin tt.ft 2!.a .QI.l ai..4Sable grossier 40...' li.,t 2'ftf1' U:~t

Matière organiQue ~6 '0.6 • 1

Total ~...~ ·tilt..." ':G~i1: 46;.~".>

MATIERE ORGANIQUE, EN %01

Carbone .~.(il) " 6 /J•.. ' /

Azote Oit)· 0.1 " /

CIN i~..O 1i.e

Calcium Ca++- méQ % ;Q.~ ".lI '-CO '0.06..

Magnésium Msrl+ " q.,tt 0'.7' ,t.~6 (t.-Potassium K+ " ,(t.~ '.0.0) ·~O~ '~,oa

Sodium Nt- " ~()I. ~;Q' f.<11 ~t~

S. " l.4t t·,·Ct) :(f.~6 ~,~»."Capacité d'échange T " t;.96- $",11 ••(11 4;9· ,

'" .. ,

SIT = v. '1.4 19ft :11,3 :.I.;~

pF 3 .pF 4.2

•Eau utile

Perméabilité.. . ~ ~ ..

-f2Q3 libre %'J$ l 0.42 t1j~ l.:a2 t.\l' . .. .'".

F,01 total .~ " o,1~ -,,$t t6J $:.•~...".:,

Fer librelFer total •• œ.o· j'.~ .t».' 6'~. ' .. '.' .. . ..

l4;~tmt~q. \~ 1JO.blQ~~~J:Q.~ ~s.~ ~ '1 :mh 1·Q#'ntlQtio~»ï~WJ~.. U1:t:.ctt!, . . ,

~.. .'. . ...... '1:'. ':/l''ii. ;ct ~. .. )" . ",.. .,' .. '.' . .'.~'" '. .. .... . '.. ' ... l' ...«·:I;Q..vcntQ ·f;.1:c.4 (+4,Ut~.g'9;.'" :u.f 7.: .($ a.~~J;'Q~-S~1;.~ .,t.g. tf;:ot1.Q~' 'Mi ~r.ct~p, :ll

~tAu4t4j.i;~~Q'."YQt~' .1à: :po: ~,QG!JJ.V~e(! 'V~i.'tka.1 ;~.i(i" lltQ,'t;~t @~ .é~q$jon $\!~~ft"'J

:çt~n~ ~ M.p~. (ln: PQUt; :noter d-'.:p.ut.t'Q'~;t, auÔiV,b;~b:Wi r-;1:~U~!~p1:4~C1'lto.

'~ tofmt~~.1eJp~~ 'qlt3: ~~lut ,~ »t.'~U, .É.~'I" jQi'~ ~ ~$': 1.~: .'pl.ftif ile2 j~tg$ .p~~t:tf~ :dpQ; '4t.v~~. '~la:~::mtu: f~ru'n.ulœGtrt~~:.~'t ·~Qttfd.bt~1; :l~n~l<t~f,J 1A"U8J tl' ...··-·...bn·· ,..'t.Ovfl·1.........v.{.."" ~.. "'.,i.. ...._... ..~,~. nrLcZ,tJl-iio'MI-': .' .~,l.::~.• .·..:vo'" _.: '. :0.:._.....,~ ..."" :"" ,J.'.V.lii:l;~Qt)i ....·.,..:;~r~\:-~~~~·

;~fàC~61"lIJl;~iW?~e~ueo.t

'... ,., .. dè '. <ii''ar ... , ...... '*c. 's.f "'l; .. :' 1" 0:"; 'ià~ ".. ...• ,f....L.o"~ .'. ml;~ ... ~ ~.e!"+.IW;~ C.f; . ~i.,.Q' t;p. Gc ,t.:te ;QP.t~ .):.g ,Q~.(}ln~Uè

'e~.t t3;àti l)lcn. ~Çë~O~~ (Cil" ::;#12 )Q~ l~»l:. ml; ti"~nt1":e4l;'tlô) ai l'~~inod1,t ,t4:ug,1 d· ~.4"" .Ji ..6: Ji -jf,.~"d .:J"". ~"". '. ", .j'.~ .."lli.JI: 'h,., ,· fb"bl '.. pz ~t..~I;l.t,;,'+Q.Sï c'Wu .~ ~ .~".~~; ~. '" .....•. ~e-g.:!W· 1'4 \ç~~..tQ ~ ~~....,~e.~ .. Q. 'f';m

~~t4c4 ~.~ ~,~cnM Qî;F~f~~d.:'l~~ te ri..~ ..:gë.f;Q;(fj <1a~,îl,1, :~~~~ëi): td! :t"Câta !!no. ,~ 1Jt... . ·nt ');" ..",,-'i , ,.031' .. 'a 'Î ,.~, ~'1 ." '. '

»'t~Yi~tUt ~,. ~.,Q~"" ,~~ç&1tur.. t.<m; .~ .çœ:p.~~ .

.t4t ;tQ1i<:iU:t .~ f<ft" tqt~l 'Qt;t~b;:Q: ,ç1;$'tt @ ~;.o.tœ@~ ~.tB',1Q; ,tra:~ttp!);

:f'O'-.ltbre Ji.......i'....o dü·'s. :ft't....td.~~ .......t1"jô.a.ti'_~J:tc, '10$ 'rfI"~""i:,,:_D'•........~"iVri"'. î(i.i'. "~ .. .' . ~., ~ .. ~<\V... ""•.a: ~"'''''''''I'~ ,,,,,,,,,,,,,.~ .. _.;J. . ' ,v . ,",4"'lo!('.~ e.q....~....... .r~.~; 1)iC!t~p.t; ~JJ 4D~~J~ .

CLASSE $U~$

Sous-classe $01...h~. 'dtlI.t40*';~Al. '*"-'rjO,jfti\MqjtA1~ ~~.;;~ a'·~;.ii~I·;ë"GROUPE ~.. ~~~. _ ..._". '. ". "t\~.~ ,p'ItIWW..~. #'

Sous-groupe A , ......iI' , "':-1'''''·4' ,', " ""é" '~.~~, ',.'...."'...

Famille i!i_·'til,,,,,Ü" ~.I.t'. "".,t , ,~.. ' ,~ • ~ ,\1). '~O·.~,.fq••"e..~~

Série :

LOCALI SATION

N° PROFIL .'0 -. t •8 •. ..

Mission/Dossier ..Observateur : s. $tMn'$Date dl ob servad.on : 2$/O~/74

Lieu: A$CO.40; •• bûttt t~lîï:Coo;rdonnées Lat. : :aa~J.l,jl

. Long. : .'.'4C)t $Oh."Ait.

.. "~ .' ..

CLIMATOLOGIE

Document cart.référen.ce :l/tOCOt»."Nl1hN° Mission I.G.N. :1~fU),t.b"./4tt)

N° Photo aérienne :$26Photographie :

Type :~'ô,.~fld$$.Pluviométrie moyenne annuelleTempérature moyenne annuelle

SITUATION

Topographique : 't.tl:t:t ~t'~'. '.tbt.Drainage :I#J_"'QO~i t.lbl.Erosion : . Pente % : 0,$ "

~1ATERIAU ORIGINEL

VEGETATION

~::~~i~~~~i~~~~~~~:q~~ ~~~:~t:~ t"Ie.*~t.: ~~~. ,44,'* ift,:4.tt

." ;Al:Jt. ~b\l'e-ly•• qwat~.ÇdOtA ~~ë&'l@#l.et !Of.41~.....bctllfü~" Stit.,të.blJlUJ '. M\1t~p:a'$~U.,V~~t.9'etJ$ ~f#lt~M

UTILISATION

Modes d'utilisation : 4~Qt("Techniques culturales :

. . Modelé du champ:Densité de plantation :

Rendement ou aspect vp.gétatif':

EXTEN~ION ET RELATION AVEC -LES SOLS VOISINS

Œ:OO'RtMOIlDU PnOm)'. _ " . . •.. _ ..' 1. •• .p!. Il. . _ ~ 1

_.... 1.. 1 :

l,··,-n. 3 .. ~~.[ ..DL·I·:t'-··- -·1~1._ '_~I'!-",'. .ff'rn.~··15-."..·1'.r.&JlI ~ 'rr' '"' -·.'.. ··.-.'·.x·."'.",'I.r'.:...·

f :eJ:~Qtî~ut";~ . 1)~

t! {'l t1""o !J/4'm, t ,n~.~~tr~(,10 m 'StJ.~l t4~u:taJ J #et'~~l.#~ fPn~J <tC)llê~l9tt1f~4ll>lq ~ '1WY~ll1~j 9Qt~o1t~~u:o~~~f,).~~t4ntQ.$ ~r' ~1@~.., O!'()~oan,

:J l {;@'$t€Q, '.Mrt~t4nt. ~, ~~i'!lU6nl~l.o;.JqtJ.()fQ~ji~u~tqu.atf .$.1nQ~t,f 'i fAd.tl(l,(f, ~t. ~~dlt~)l(rçJpa:t'{~a.o pf~~tl:61.fJ . .l :11 -

t 314 ~;l6-iÇtf; 1: ,n~, p1\:t~ 'U:o '~R) f113 :~d t(1~t:~ ~~gjlo"'!tlOlit~t:)j ·~UtO, ~~11q,l' t,a\4~blt;gItt~tÎiCl~1::JO~~'C'Q~S'f;g),' f~t(l: li ;tt~àf~tQ;: ~C#'<;tttt6'9~1;10~t,f ~t)~o.,Qt tWUIU1.·~ ,f~ tta~ ~~e;; !m;f:t~,:a, r~tntJ~~Q.fOtt4 ;(.e~ 1~ 'l d!~(l;t:ffvj:t6 ~;:1,ÇJ.~t;-~ ~_~ ~n!J l:Q;~~f~lh 1(1ctIf.Vlt6: blo1octq~ :t l ~2:in:tt:'f:.çnt$J'ttiç.bô$'j~yncO;p.~tt~Q. !~Ui€u~$ P4urvlcs1htè~, l1â:uatieo: ~ot· :1 t. i

>!' 16 .... i;tjJ4t, ~. 'i Gt1lt ~1otît (l(}n 1/~ ~) A'!t.~ ttxÇ~~ !«~$; t'C?\ll~tf.~(S '"ii~/fft'/a. tJOçlJ l' t~~(!:io.~nt1cuçï;îJ ,çt~t·~F.:l~;f;q~;;~~ob6s1t;ll1;:f.o~à\f;r~$ t~l'e~Î .

1•.",i ~ • :~ ,1'~~~~t~ ,t.tjb.\'\l~lJ:a ~$,~,b~~J' .~~~~c.'~ ~.~a! :j4~~p.. Ju,sou :~~~" 1. l 'Ùi_dur~~ pw, $.n<1tvt~1f.s.!S·Qt11:A'e-ej.Vlt6~t~",;(!;e:l.1b:19.. ,pna~&Q, nett

• ~ 1

i 4,o/4J ~ 7n' .,«tii~~tt.,.~î~ (10 .~, ?l~~~)J:,~~~n: jPPAOft ib~t~ni ('10i~ + :6Jlf#fJcc;) 1f .~ ;W~~.'~bl(f...t!z:lQU~~t Q.t):U(;t~ ,pd.~tl~l; :co.~n:tcn: !111bl<.tJî'Q#c, 1t t :por.~~tt4 .t~~Îlt$;~ flUOJ ,a~~O) ~jrit6 l"'~c~tr~ pratl~M:r l l1Ulîot '(;Q.~ ho~;~ ,@t~cl~1~~l ~' @,ppQ1.1;; -tlWi borl,~~:f' ,tl~Jl6~~~~.$ ~:1 11nf6':1o'Qr$J p4ti$z,4tî.ott " .,. .t tt t .

t' la,~ 140 ;~'i 'Ct~l1.eï(J~'(f.O 'la. i'l/2 ~)~ t4c~1) ;tO\l~g (2.'·~ §;,q~)l t.~~4il::Arnilo...'G)blCU:tï.Qj; .st:tttct;u.t;Q: .pr~~tiq~. 'cçbS'à,ton~~Q ~QG1 ....t f :tê ttW\lltjï.l'4 J;tn~ ~t. 'QC;iPUn.~Jt~S~lt~Q:tt~pl~n: ltndt.tJ:fO$~_S-t l ~ne.a, ~$ ~r6tlttW.J: 4è:t:tVlt.ê: :btol~ku() tlotnb1èl ~r p.tCleo,f; :d.1n~l l '14; ;~~t4: [C~1)'~1~ ;~tqe ~iZ'ôn.. t:cs.tc:$.. 4~, '~~ç,~~d9'eub:tt$$ot ft'tZa'âdurQ~ ,t tf ~• lit tf 1t 1! ll11l-----~...=-~----~--.........---....-""""""--~~ ..........-...--------

: =DOSSIER~

Profil nO B>6·Echantillon nO S6' 16# 163 !6.tf aO$Profondeur en cm

Refuse 10 • .,* • ~,$

= == ..

GRANUL0l11TRIE EN %

Humidité :o"t IÂI bt: t.,Ar~ile fat' 2~' $~j!l. a'l ~7'Ci4...il ..Limon fin ' ..9 la.a st·' $8 $••.. f •Limon Q:rossier ~"S' 1._ tOO .,.$ ,6-:1. . :t

Sable fin 3t,à· ":f.9 al :t It,.$ P.t••Sable p-rossier $$.,.$ ft,.1 IS.l it.O ".,Matière organiaue lia ~& 1

Total 'fOb.6 lCôlil' 9&.1- 98." 99.4

ACIDITE

}1ATIERE ORGANIQUE EN %0-

Carbone 1,l$- 4,'4$Azote 0.'* 0'",..CIN .tJ() jt.O . -pH eau 1/2,5

.--.E..H KC 1 N

6" $4& 5,(> ", ·'al'.J.

$d~ ••0 J" 4." if ·1,lt. Il

Calcium Ca-t+ méa % It~O l,., o~œ 0.,,'49 V,~

Magnésium MQ:t+ " 11la ;(I.S; C),f,~ ~30 q~$a'. ~ • ," <. .

Potassium K+ " QIU ;9,f06 ~O' ~.(11,

Scdium N+- " 001 o,œ 9...0" O!0:-'"

s. " $,t\ J.•7~ Q,$9' 0'1"~-.

Capacité dl échange T " ~..9t $.tH '.~i 4i~' 'J,~

SfT v. ,. :ell,1: i'~Q '(40 ".9CARACTERISTIQUES PHYSIQUES

pF 4.2

Eau utile

Perméabilité ' ..13 J,lI: "in '~I•. lItt"

,.2:2Q3 libre 9 ~ Qi~a ..0. OJ,'" ·g~a~ "li1. 00"' . ~.:.

F?Oi total ~ J. O.fO t,.'1l ."." ~.~, ...oaFer libre/Fer tnt.al

.~:'8~' 6'·6, 02.Al 'Qt9 l~tt

". ;J.:n;. '......,~"t.~. J""""

tï;'"l/.(>l~"l(ltt ~; :ta; ;t~o.:u.t' W 4t!~tQ &tiHl0 '9~ilj;, tQUpPO$~ ,cnçdtc.~' 'S'" 'f! 16t r'lo n ~ , .;if".., ". ··oin't. '.. l·:L '" f "'J ;"",iynq,:J:O$.('f:J; ~l1-PQt Ç- ..~.. ;-U""~V~'Y-j~ ce;.q.~t.·_;. W.;t~:;~_.'~~ . ,."... '~~UQ;

;:i1q~ttf.&. :C1l.e~ .. Jo$:, ~~t1iV#~1~A, ;~t,=,(!(t&.: .pt; loil it!#.q~~@~;fJ~ :tl'trt'l:11t, ~~

~t.J$ .10'.~t..«~: :î'41.uriAtt~ .~t! prôtonet4qr~

:Pt1rl1cJ:tSr1-stlgua'à :e:tttnt~,, ,2. .•. "_,, .. _ .. , __.. __ . ~ ..\~ ..

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ta .~, ,..•...s lî- ft... ' &t......... ·~T~trt '. -."".... ' .. -. ' ...' ..Ç:.... .'Iwt~' .~ t"-"""'J:: A_ t· è ~'.t,,- ~~' .~ " '..p.,..,~pi '.. ~,,~.'y:~tl WJ~~~ .~ :f;;",:J;'""gi;q, F..-u~ ~.,.p ,~ ... ~.. rD. JoOJô,"':

œ.t01J· '1'~.tt,"" f' ,.1-'. . . ~ .,> .' ··if · • 'l" . '.' --"- ,tj!",,"i;.~' f'- ib''1' '., 'L. . i''I<' ....-~ ,. ,Vll ~k-" ~~~9M~S.~t~..,.i)Ç,~:.J~(ti~~.$ '\ta.; curA..~'~, ~~$' (1.., . 1!,Q~,.c p,,~ C~1:o-

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f~_' iCt, ,la. tttibîJ;lî:Q -~ t<o~ i~ ',p~4<~t'~•.<:~. :1~: ~J)ntît~t, :t('j~ :vt'Jlp.lJr$' 'e<>yc.n..nc.i$' 4u. ~t>P4tt; tcl:' :U.br;r4,f~ :totBI 4111~lië~~g 4~$- ~~o~~ta @~l't-..11~ ,Çlc.~*o.r'

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~,.c~ '*; ,4l1~PSjt~Yéfl;~J9

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:~lt)<lâb' (10 ''fJ.t,1:/1 t1~lf ~n~QkI :t~»GQ~~.(2,'tttt· ;tf":t~Q~h~.~ ,i~~Q~~,Q~c~lCutln,. ~t~~t~o'lP!l~tf.~~. ..A.:bO~~~~~t.~Ci' ,PQ1:ye~;i~ ,~l ;~u;l.~ine, -çO~~o.n:;et05'~~. t1~1.~~lt'.~;~ .trne~!: to~~~,.~ ~.'".J. a,~~s~~rc""f.~~ ~. 0 ~ ,~~)tO'tÙJ neélvi~çbt~l~~~ ~J: J:P_l:OSt ~4J;eQl1:Q:a; ~$,Ct.l~ ~~b@:M:.lj,f~

ilC:tlo<l<Jlr (10 ~,'t/l$CC)' ta,ét1ptt, ·j:.,~~(tj$'~ t&Ï'rI&~ #!C)'i ;~üt'f;)tl.~~lo~~pl~ë?l ..,t~~W:4 ~tJtitv~,~ .tcn~~o. ~~Y~d.t:~~'l' '4ôb~tft~} ~. ,ç~~Q a ~@'C$ ~Ql~(l ~Qn~fctc~! \~n -doç~~~~-i~f;,~!J;:6~nt:(! ;dQ: nd~l!~~ i~lt6$ '~u~l@~t1~

,11-l'i$,1t'!

1 • .

-f,"n1t1.:j:ifli~.

f,iiii'l'f'f,trtl'ft:tJ;J.lJ1l!l"l't.t:l,~... -

:.. . , ...

DOSSIER=

Profil nO :!: .•Echantillon nO #e, :a. a ata. ..Profondeur en cm

Refus '% • ,~ tilO:0 "

" .'GRANULOMETRIE EN '%0

Humidité l' \l.1J: ~ta.",

Argile 3t·, ~f • a&,.,.. .: ......Limon fin ~t:~ ~a.' 4.~'

Limon grossier $;t(J ~tl O·,, , .'Sable fin ,~.$ ~lf,$ &~t

Sable grossier ':$ '.0: ~~.&• \!l' .• ,

Matière organique ~ '..' 1

Total ;~Ol' Q1j) ~~Î9

=CATIONS ECHANGEABLES

Calcium Ca++ méa %

Ma~nésium Me:++ "

Potassium K+ "

Sodium N+ "

Capacité d' échanl:!e T "

_. '.'~/T - V. .

pF 4.2

Eau utile'"

..... ........ , "

Perméabilité_.W ~.~~ l~.~

~2Q3 libre.%~ .~

F?O~ total '~ '~

~.~. ~.~, .g~&,\il'

..ho ~, ~ • .-l';"" ......;: ....

~.~ '9."~ iV'1~...\1' 1... ".,....:;. .......... >ik-

Fer libre/Fer total

-., ,li'<lI . .."'~Al .-~ ..._- ~

'". '_0

DOSSIER DE CARACTERI SATION PEDOLOGIQUE

N° PROFIL : l, '"$-

Observateur :'.·'~aaDate d'observation :#./OJI14

Mission/Dossier :

Série :

CLASSE

GROUPE

Sous-classe

Sous-groupe

Famille

~$aw~1

~1*!L8ioi1.i."""'1tr~;lO:•'-Ît'i~OIOl:oU_'.- - P"''\oJ''~.r~.:I.J !M:Q"~.

$()lj~'~_b".•,.......:,•.B1~4 Il., i.If).~I.'

- '~t~fUw.t:Ilt.\mt .U....,''''....,.' 'iü~.....if_•.1--- ~\.-~----4Ii'-.--.-~-!OJI!>',-.,~.-".,-,.~.•-.-,.'.,------- ~.L- _

LOCALI SATION

Document cart.référence : ll~~~ _. .N° Mission I.G.N. : 10 lM) ~q .J«40 'N° Photo aérienne : $aO -Photographie :

CLIMATOLOGIE

Type : ~'1()t,1OU~'1OPluviométrie moyenne annuelleTempérature moyenne annuelle

Station : t~~ARéférence :~4~.'64ll~'#

SITUATION

Géomorphologique : fljldt.lt~...

Topographique :1.1-., . .Drainage :lUtCtà... U (l)t~ tllbJ.' liN)Erosion :

~1ATERIAU ORIGINEL

VEGETATION

Aspect physionomique : $t#@lft,Composition floristique par strates :

.~ .tIC.',~~D.l6 4«d~. 4f_~~ ••pt4u•••~.f • '.tlVéJïia- ~J'i.~'"., .

UTILISATION

Modes d'utilisation -AUC;gn-,Techniques culturales

. Modelé du champ:Densité de plantation

Rendement ou aspect v~gétatif

EXTENSION ET RELATION AVEC LES SOL8 VOISINS

~J.œ$: ~*~1~ ~«lQ~~$.: U~~u;.'l: a,;~1~SdUU~- .. " Atl·' -, ,,,,"f.Î' ~·titibl·· -- .... _~~~ ~ - ".,.Q~·~~P---q,

fcoJlto. )- ~: :~~):tcl1 /p~.l:e~ itll1w~1, :iGb~p,mr!Î

/-c· ~~J~ $~uctui4 ." . '

.. ;. ,-- ( . , . .." 1,'_' ) .' r .

...< 1.. ,"D.... .. .i.','-

1~3 ,.t5r>. ~ iJi;,.~

t:!Il!,'

!l!l'~~

t!tf't

'tl'jtilI: ,: ...'

...... ~

DOSSIER

Profil nO $,

Echantillon nO dl" ~)~ dj- 19.:'Profondeur en cm

Refus % '. .' '... ;O~j

GRANULOMETRIE EN %

Limon fin b~:A: iI.'Â..,~. .'.""':'

Limon grossier .tt·n. ~,.:n'.ff!,'. ""w-'

Sable fin A .f"t. ~J~""".

sable grossier ft,,~' 'N>!1i.".,r. .'" ,

Matière organiaue tI.•1t;, .<'i

.,.- ".... .- ....

'$,4 't.;;O

...~. . ,.'

,,;,,.« ~,""'~.~'.'.'fi.. ..5:..1i.',",

1,o •• ' . _~""

I==To~)t~al!=======:::!!W!O'ïb!ii~ lCb.~ ,tl!O.'MATIERE ORGANIQUE EN 1"0

I~_;;::~e~ -=~:l=~FI'-1 1 3 ! l ! j= 1 1ACIDITE

pH eau 1/2.5

oH KCl N

Calcium Ca-I+ méa %

Magnésium Mlrl+ "

Potassium K+ "

Sodium Nt "

s. "Capacité d'échange T "

"S/T = v.1.6' ,~iIt, lii.'it4" jM'" .~ .

ri'/.:l,~ .iI/.:66.'V,,~. --.1' .. ,

pF 4~2

Eau utile

Perméabilité

CARACTERIsrIQUES PHYSIQUES

r-KZQ3 libre %0 1·'4 f~ ,,1~~ .,t9~~·..f

F,03 total %0 ,,$4 '.20 a/'i/)' ,~Jt.. J.

Fer libre/Fer tnral 6'.' ~f.t .'4.~ f6,.)

·:pnr'1ctêdd1tIt!gSl 1â)~SOOÜ~

- 0' -' .",

CLASSE

Sous-classe

GROUPE

Sous-groupe

Famille

Série

LOCALI SATION

Lieu :4t@. lit., .~~t.O.,tœoj-.Coordonnées' Lat~:' .~~-,., ,'" ~"

Long.Ait.

CLIMATOLOGIE

N° PROFIL :a to,

Mission/Dossier ..Observateur: O. ~OgDate d'observation :a4JQ,J14

Document cart.référence : *11'00000('- , ",N° Mission I.G.N. :,o-e;#$1**/400N° Photo aérienne :,aePhotographie :

Type :~'9.~~1.,Pluviométrie moyenne annuelleTempérature moyenne annuelle

SITUATION

Topographique : t1.t~~.1l.ft.. ,t.',4J&~I_.Drainage :••m...\ tblc:l.'t(tl'~'Erosion :

MATERIAU ORIGINEL

VEGETATION

Pente %

Aspect physionomique :fi.tttj,Composition floristique par strates;... ~t~. '~."'~JÏI:Iii' .Â.·.. ft·'4t<'.'~.'" ·.·O.""'*"'.&'i.'ililft.~tili-",.M\..·: :· iOf.A•.; ,·· M.-.··"Ji!toitil:Ml. ioiiii:..".~ _.'.

1 • ' .' ,.' ""1~'" ~. ,.. ~~!V""O~' ~,jr~~~~, ~""'. ~~IH>.9 ....v"",,,,,..-.r' W~ '~,""~. ;q~1'4.(,Q...~eO... ~@Pjïl_Ea.to.'.fi1. ' ,', . . , . ., - '"

UTILISATION

Modes d'utilisation ;Techniques culturales

Modelé du champ:Densité de plantation

EXTEN SION ET RELATION AVEC LES SOLS VOl SINS

Dnoonîpxrott 'DU t=nom\. .. ".' . _ J . . ._ .1. i

MOFlt 8. 10·._'. J .: ••

'(frn~ ~. SQt:~l~~~ÎiCif,l~~~a~ï~.,~..; A .1:"" i :<'l'i' -,-·~t .~Q.~ il . ,n ,~"i.'~ .', '....tt

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Fee .~: structuré

li. r'

:". '.' r,ll. Ii

~ .. ,~. ,: .' .'._ _ 1.' .. ' .' •. 1;',_" i.l:l:: ,. 1. 1: .. :t::! fi' _. -. f. t:J .

H.:'; (,RI.'.' ?~. " '.,, _P,,':' '_.t'·p_:r:...U .~ ü.J.J:.I"_"G

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\~ }. (1~tJ. tei~.l't iÔi7/~} M~~$ ~,·t{~· (11..S Ytt'" '$~lrtt. <C$~h :ta1.WGJJ i~lct.tCOî .~~urQ: pt,,~~J;tq~ a~Q~",!Ç.t1;'9-Ctl,l;9 :Ç.i,$b1qu:t1 it1:Gu:~ .'l~t~ ·Pté~~~ 40,0- ~~;~~~ .-\~·b:~~ ~11èS$~~ :;t~&. fQ~,tPJ telli tn~Q, QDj;;, ~~~mlS a ,Q.~t.V~Q\Jllllii...r.~, ~ ~';..ov.,.Ir

'"~l ,12 ,li!"; ~60;'t..~

r-ii'..,.

t-" 00 '~lô$lJ!{1i·~,;·..rli\'ZF"

DOSSIER=

Profil nO 1:,,·10Echantillon nO 11Q·I· a'O~l 81()j3.. '.Profondeur en cm

Refus al,. *' .: .~

GRANULOMETRIE EN %

Humidité

Argile

Limon fin

Limon grossier

Sable fin

Sable grossier

Matière organiaue

Tot-al

MATIERE ORGANIQUE EN 'roo

Carbone

ACIDITE

f~ffi::=t;::1 E 1 l = L Bri

[ 1H KCl N

:H eau 1/2,5

CATIONS ECRANGEABLES

Calcium Ca-\+ méQ %

Ma~mésium M~ "

Potassium K+ "

Sodium Nt- "

Capacité d'échange T "

SIT = V. ,

pF 4.2

Eau utile

Perméabilité

r-!2Q3 libre %~

F,01. total %0 ,

Fer libre/Fer tnt-al , "';

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PI"d. oro '0" c.....~,.t"..,c.~ t.r"""

.CONTiNtNTAL 'TERMiNPol MAT E Ri ,",UlC ALlUV', AU)(C.ONTi li ENT" L TU.Mi HI\L

~.. ~_c..«. lp,·Juas , c,PII CIl,,', is) MATeRiAU ORiGiNE.l

Plaine d' inondoti(:)" __~_:,p~_~aJ~vr",toct.ordement alluvial

------

PIQteou C virosse GI<:u:is cJe l,IOICIS Levées de. ber~.

"(()M ORPH 1) LOG 1E.

Granulométrie.

10 1.0 10

L.S.S.L.

So 70 80

DiAG 1l..AMMt DES TEXTURES

IQ ~o 50 "0 '0 ,.:> &0 '!' ~., $"0

JI:::::,

,//: '--X· 10

./ ~ 1/

40 / If" "0 1/ /

~jl'0 \ "0 i

\. 1\. i

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\IO~ '1 1 100100

\ 1Ilo 1 'lo

'''0 " I~o'.... ," ,

"0 '.0 " I~D

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1;' \ \

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i 1 1 \ \

100 j \ \:-·.i 10.

X\ 100 X

;.1 \ i \

Il'' Il,, \ Il.0 \

·lt° IlfO '10"

1.0 140 '.0

Ih Ill) ,to

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10 1.0 So ... ,. &0 ,.

,·1 ('to

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L;......... fi",

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toro,eC}1.l t"te

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/ ......,,/

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...... ........."------ ----

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16"VI,

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=DOSSIER

Profil nO ft$:Echantillon nO a".l ~1$1 a:;JJ $1'-.4... _. ..1.-Profondeur en cm

Refus 'ftGRANULOMETRIE EN %

Humidité

Argile

Limon fin

Limon I!rossier

Sable fin .

sable I!rossier

Matière organique

'fllt·a~•.

:~ ...A:y«y:

~.~ ....~"'';.

Carbone

MATIERE ORGANIQUE EN 100

ACIDITE

oH eau 1/2.5

oH KCl N

CARACTERI STIQUES PHYSIQUE S

oF .4.2

Eau utile

Perméabilité

~2Q3 libre .~ .~

F?O,:\ total ~,

Fer libre/Fer total 1!

'J~O '*30 O,e.g· ~ft~'-;' ,,"'1:7, "_.<'" ~tao. .~~~

..~·G~~·..

-; 1: = =- =

DOSSIER;:;;:z;;;;sa:::

Profil nO • ifA

Echantillon nO J'HiLl( 1...~;jjI' é"" Ibtj~ ..~ AI6014 et6...$Profondeur en cm

Reft!s %

GRANULOHE.'l:RIE EN '1'0

Humidité 2",,~ 7..,t 0·.4. ÎJ.. iI1

Argile 1~3.;7 l.i..'1 IM'..~ 126.'0,~

Limon fin 1i2i..a. ItOillA 'iA"S' 11$.'Limon grossier 1~ft... A 116..-& I~ ..O; lu~..;(}

-Sable fin I~~A'), liu.... lén~~ [j~~n

.. -' .. ..

Sable grossier 6l<~ .!i.... A~A ai,,!

Matière organique ~,",b 'fa't 1-, -

Total lôA<<j li.-i"'ft, .:l, (\ft'~~ el{ "Al

AC! DIT E

pH eau 1/2.5 t.$ 6,. 6O $.9 6..#•pH KCl N ' ..$ lil'~ 4a~- 4)0 '.l•

CATIONS EClLl\NGEABLES

pF 4.2

Eau utile

Perméabilité

CARACTERI STIQUES Ph"Y SIQUE S

FERl!"f

~223 libre W 1 ,,*u :5 :7.5- ~~œ -'lraO- 4j'lO~."

F?O~ total W " 1,,10 '.RO 6..," ~tt1S 6.U. L-.:

Fer librelFeLJ;Q!:a1 ~. 1é4 19.& 9!l,~, 186J.0 .'.1••1

=i = ::::::.. .... -=

DOSSIER

Profil nO a19Echantillon nO 119lil .9 ~ 11l9.;&. ---~j

Profondeur en cm

Refus "lA

GRANULOMETRIE EN %

Humidité 1-.4 .fa. iI..$Argile 21.9 261i1~ Ij~O

Limon fin 19.6 ~I~t #o-.~

Limon grossier 16.' al~3 lli:JSable fin ~1~2, t6~' 19.ÔSable grossier 1.1: a.-& ~â4

Matière organiQue I.tl ~~I- 1

Total. .' ;

Carbone

Calcium Ca-i+ mée %

Magnésium Mlrl+ "

Potassium K+ "

Sodium NI- "

Capacité dl échange T "

S/T = V.

CARACTERISrIQUES PHYSIQUES

pF 4.2

Eau utile

Perméabilité '.~

F203 libre ~. l, tl1tl '~7t ~-'Jt ."-'. ' .....

1--' - • '1- ~6~ 1.'! f.," .F,03 total ., .'. . '.

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DOSSIER.'

Profil nO .t~

Echantillon nO ,!al•• :~a.' ~1:3 _~~4.. ...Profondeur en cm

Reful'; °L

GRANULOMETRIE EN %

Humidité '.f. '••0 tt., 4;tAr~ile '~ja al.O IS" S";,.. ,--Limon fin '.j' t,A- ~'4 Si

• ,'> •Limon erossier 't' ï$j~ ••• a..s.. '

Sable fin ·'-Olt 'l'~_.t #.4.1.' .,

Sable 2rossier ~4 *ct,Q 6)6, a.aMatière oreaniQue -a' ,.&. 1.J

Total fl.& tOi,V ltO.t .,'.....•: ,"

Carbone JI '.0Azote UiJS O~., ',.

CIN l'.l 18'4),'.. ~,

ACIDITE

pH eau 1/2 5

pH KCl N

Calcium ca++ méa % j,'if: 1j4.~. , ..V· : IJ1~.... -.r!!!i

Ma2nésium Mlrl+ " lj$ , .,'J: ..,~ 0..',1;Potassium K+ " ,1>,4$- \0.1(· -,,*:~, O.O~:

Sodium NT " ,(hm. :o,)O~ ~..l)~. ~.(JJ., .

s. " "_'c' 0,:$' . t,·,~~ l,.,o, .Capacité d' échan~e T " 1$.,3~ '-;6, ~.•~. $;'19-".~.~ .., .. ,

SIT v. lm $2·1 49.·..· 4! :J:= . ",,' ..... ,•... ,~

pF 4.2

Eau utile

Perméabilité

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.F,O,:\ total %0 ,". '- .. ..

Fer libre/Fer total ~.'l ~I.~ 7",fJ:~ 'fi!J~.

·",,101-

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==::;DOSSIER

Profil nO 1 alEchantillon nO Qj.~ •.1.'- Ç#h~ ~,.~ ~î f:... l"'; ,

Profondeur en cm : ,

Refus % . -f ,

GRANULOMETRIE EN 0;'..

Humidité :0.5 ;0.9: ,6.S 4.6- 4.8Argile 6:..1 11.9 29.' 36.•1 J'.SLimon fin ·6.1 '.'1 1.6 ·4.3 5.'1·Limon grossier 8.t ô.6 5.2 ''Ji'' ~.7

Sable fin 35.1 24.9- 19.~ l&"t 18~5

Sable grossier 41''''S, 'IJJ.7 j'1.1 31..' jà"O ·Matière

... 1..1 0.7organique , .,Total 100.a tco.e 99 6 ~ÇO.4 :.984.,f . . --.f' '-.

MATIERE . ORGANIQUE EN 100'

Carbone

ACIDITE

pH eau 1/2.5 ,~,4· 6·5 &;,0' 6i;~ 6.& ,J, -

,pH KCl N $., ',8 4.$' 4 ;'1< $;;0 , ,..;,t .. ••

CATIONS EC~GEABLES

Calcium CéH+ méq %

Magnésium M1'!:'I+ "

Potassium K+ 11

Sodium Nt- 11

Capacité d'échange T 11

. SIT = V.

\ ( . '1 1

CARACTERisrIQUES PHY.SIQUES,

pF 3, , , , ·

pF 4.2. , . , . ·

Eau utile, . . \

Pennéabilité • 1 " .1 ,

~ 1 Q.,74 O~~~ :a.t:lU .~.J:J, ) . :llti ~--f2Q3 libre ,,0

F,O,:\ total ~% .f~Q S.20 2,~ 2",8J :t.:9 J00 ..

libre/Fer%. 74 76.--." ~6.$·. ·8t_Q 7~&

Fer total .~.. • ..

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DOSSIER

Profil nO ·ô,.;a... '

Echantillon nO :ï:;l}b, , ,f 1~~,ll, 6'i)0". ....,1\; :1..~i)Q '.. .

.' . . " ...Profondeur en cm

Refus %,

GRANULOMETRIE EN '7.

Humidité ,ft:. .. n~A !!j,~~ A~Â l'jilL'.; ...... - ... ,',. .!' ",

Argile ~ ..,4. ;'1"~.À 1~1I ..~. IAn',n 'iA:,.'Ail., ~. " .. " .. ,.... ' .... .,

Limon fin IL·.lt ,L'il !il ,il •• (il• :.1.," •.. ." .~ . 'J!" '......

Limon grossier è'A.li: A...'ll À~l\; "~A A·!A'....... .. ... '. ....

Sable fin ~~:., >iiI!)~, I~",~·'ll 116,6:, ~t'L1)'."" '

-',,,,,,, .. ".f" ,- .' .,. " ...-~

Sable grossier OA.A :\~.,A I~~.,ft '!J'J. .... l"AA',i.r·.·•. ..... , ',.... , ,'!' -, ,-

Matière organique ''''LA' t\',,:'J 1... ... . ~.

Total ,,6- 1/;. I.h" .lt: êA.'S~i;;,n ,,~~.A <li·t"h..À.,,.. ...

Calcium C&t+ méq % tLJUt a~2il \t~:t~ 't\~ih 'i~'A'i.. ..Magnésium Me:++ " .n",~tt n~':!lil n~t5'. b~'M Ra'ill\

, .. "'.Potassium K+ " ft·,n;. tL.~1i b ...4\A iUl;l\ n~M..Sodium N+- " ft~nii· n...ni n... t'ij\ h.'nt j'L'nie. . .... • 0

S. " S.4., <'2..63 2.!9 ;2...16 ,2a'Jl

Capacité d'échange T " 4..1ti: "'2 4",I:S 5.16: 4.42S/T = v. IliA.A '8.t 5.4'.0 &$.:$ 56.118,

CARACTERI STIQUES PHYSIQUES

pF 4.2

Eau utile

Perméabilité

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4u ,~9r.d~ ~qq;4"'ti~tep.:t:Qttt ~'~1!,

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. :; ~~Qnp;'éçt~ :et;.plu,#:;t.·Q~~~~; :~ct~v!,t~ bl:()î~~~tm n~t!o\iJ:

l:ji-,r.

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S'-." tr J. . PI .r: '.,' -.. i ..-.;; _.. c'

l'il'~'-,..... ', ',"'"'~ . .~.\.' ,.. , .,

DOSSIER

Profil nO $$9

Echantillon nO iS~9..~ 8$9.~ ;1S9..~ D$9:.~ ,' -. , .

Profondeur en cm .Refus % .. ,.

GRANULOMETRIE EN %

Humidité 0.6 ,., $.9 4,9 ..Argile IOM:t ,IO..t O:a4 Il.1{;Limon fin Sâ;l 9:.1 &ï '.6Limon grossier 13.4 t~.& t~t '.6Sable fin '.9Mi6 rI' 6 ~.sirl U."r.j,

sable grossier '$0.6 16ll' .&~ f2~J

Matière ore;aniQue l.-& î.& ;, .•, 1

Total l>i~'''' ..la 'iOliio~·.ai~ 98~~ - .

Calcium Ca-t+ méQ %'

Mae;nésium MQ"f+ "

Pota ssium K+ "

Sodium Nt- "

Capacité d'échange T "

S/T = V.

pF 3.,

pF 4.2 " - ' -

Eau utile~'

Perméabilité .' ~., . ..

~2Q3 1ibre ;~~o '~, l.~ 4"ÇÇ' -.1l-Cf, ~Î.'~ , ;, '.

~Q3 total;~~ ~. 'l.'~ 3..~ a.~ bg,Fer libre/Fer total" "'S. ,.,.Q 77t~ 1190 ., ,.' ',. '\"" ,

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GRANULOMETRIE EN %

DOSSIER.. ..

Profil nO aS6Echantillon nO 1§3th.i:, aM.! S!6.BProfondeur en cm

Refus ~" .

Humidité ftl 14s.î 1-1.. -Argile ,'~.o ".9 ~9~t.*Limon fin li.& d.t U.sLimon Q:rossier 1.9 :a.1 j'A"

Sable fin -!i.e 6~j 4.0sable grossier I,t li ;,.9-:'.r;ll' ;

Matière orQ:.anioue '.il: aif· 1

Total 101i' :&00.& 100.0~1ATIERE ORGANIQUE EN %0

Carbone

CATIONS ECHANGEABLE S

pF 4.2

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DOSSIER

Profil nO a _tEchantillon nO $It,1 •• atl·'. ,." . " ..Profondeur en cm

Refus %

GRANULOMETRIE EN '%•

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ACIDITE

.- 1~~1:::=:::~,:: 1_ 1 [1.1. EE ] 1

Calcium Ca++ méQ %

...1f 4;1,' -'"W

Magnésium M\rl+ "

Potassium K+ "

Sodium N+ "

Capacité d' é~ftJ~te T "

S/T - V.

pF 4.2"

Eau utile

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A N N E X E

METHODES UTILISEES POUR LES ANALYSES

HUlIlidité à 1050

Analyse mécanigue Destruction de la mati2re organique par l'eau oxygénée.

Dispersion par agitation avec du pyrophosphate de sodium.

Séparation des argile et limon fin par sédimentation.

Séparation des sables par tamisage.

~. dans l'eau et KCl (rapport 1/2,5)

Carbone par calcination à 10000 et mesure au "carrnhographe".

(Le C02 est dosé dans une cellule conductimétrique).

Matière organigue. % de carbone x 1,724

Azot'e Méthode KjeldaH ; dosage par colorimétrie à l' autoanalyseur.

Bases échangeables

Capacité d'échange

Fer total

Fer libre

Extraits au 1/10

Percolation à l'acétate d'ammonium Ca et Mg par

complexométrie à l'E.D.T.A. K et Na par spectropho

tométrie d'émission de flamme.

Percolation au chlorure de calcium et lavage au nitrate

de potassium.

Dosage : complexométrie et chlorométrie.

Attaque chlorhydrique, dosage par colorimétrie à la

phénantroline (autoaPalyseur)

Méthode ENDREDY (Extraction au U.V.)

Dosage comme ci-dessus.

- Ca et Mg par complexométrie à l'E.D.T.A.

- K et Na par spectrophotométrie d'émission de flamme

- Chlorure au chlorométre

- Sulfate par gravimétrie.

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ESQUISSE PÉDOLOGIOUE DIALIKO .

REGION DE DANS LA

Vers Makabe Sidi

13° 23' 13"'

13°42'17"

LS MINERAUX BRUTS

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LS A SESQUIOXYDES ET A MATIERE ORGANIQUE RAPIDEMENT MINERALISEE

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