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PQ43 Étude des sols du comté de Nicolet - IRDA

PQ43 Étude des sols du comté de Nicolet - IRDA

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122 ' ETUDE DE~ <strong>sols</strong> DU COMTÉ DE NICOLET<br />

RÉSULTATS ANALYTIQUES<br />

Paroisse et numéro St-Gregoire<br />

<strong>de</strong> l’echantillon uw<br />

Terre franche sablo-argileuse <strong>de</strong><br />

rYPE ............................................... . Godfroy<br />

VO DE LABORATOIRE .................................. 19930 19931 19932<br />

lORIZON ............................................<br />

'ROFONDEUR EN POUCES ............................... o-9 9-17 17+<br />

INALYSE PHYSIQUE. .................................. yo % %<br />

Detritus ........................................ 0.5 1.5 0.0<br />

Sable ........................................... 50.8 86.6 15.6<br />

Limon .......................................... 25.2 6.6 28.8<br />

Argile .......................................... 24.0 6.8 55.6<br />

HumiditC. ...................................... 1.4 0.2 1.4<br />

Perte au feu, ................................... 6.8 0.6 2.0<br />

Corganique ..................................... 2.94 0.22 0.20<br />

Mat&e organique. .............................. 0.09 0.37 0.34<br />

-biti~SE CHIMIQUE:<br />

SiO ........................................... 67.0 77.3 64.1<br />

RZ03. ........................................<br />

17.7 15.2 23.1<br />

CaO......::<br />

................................... 1.85 2.04 2.26<br />

Mg0 ........................................... 0.80 0.52 1.72<br />

K20 ........................................... 2.79 1.93 2.97<br />

MnW ......................................... 0.07 0.05 0.09<br />

P206<br />

............................... 0.09 0.06 0.07<br />

N.....:::::::::::<br />

............................... 0.28 0.04 0.04<br />

R~A~TION:<br />

pH ............................................ 5.5 5.8 6.4<br />

Besoin en CaC03<br />

livresparacre ................................... 6000 700 1500<br />

BASESOCHANGEABLRS ................................. (m.e. par 100 grs. <strong>de</strong> sol)<br />

Bases totales. ................................... 8.5 2.4 17.0<br />

Ca ......................................... 5.40 1.20 8.90<br />

Mg.........: .............................. 2.40 0.80 7.10<br />

Mn ........................................ 0.14 0.04 0.06<br />

K .......................................... 0.58 0.20 0.92<br />

Hydrogene ...................................... 6.0. 0.7 1.5<br />

(livres par acre)<br />

Ca ......................................... 2160 480 2560<br />

Mg ........................................ 580 200 720<br />

Mn ........................................ 80 20 40<br />

K .......................................... 4.50 160 720<br />

ELÉMENTS ASSIMILABLES:<br />

NOS .......................................<br />

P206<br />

...............................<br />

K20.’ .......... : : ...............................<br />

24 12 16<br />

60 140 190<br />

400 400 400

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