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PQ43 Étude des sols du comté de Nicolet - IRDA

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Paroisse et numCr0<br />

<strong>de</strong> I’Cchantillon:<br />

ETUDE DE~ <strong>sols</strong> DU COMTE DE NICOLET 125<br />

RÉSULTATS ANALYTIQUES<br />

Gentilly<br />

Bécancour Ste-Ang&le Bécancour<br />

(124 (112) (176) (115)<br />

/ I<br />

Terre franche argileuse lour<strong>de</strong> <strong>de</strong> Gentilly<br />

TYPE: ................... rocàenv.10” roc à environ 20” roc à env. 30”<br />

No DE LABORATOIRE: ...... 19763 19764 19751 19752 197.53 19948 19949 19754 19755 19756<br />

HORIZON:. ............... AC G Ac G C Ac G Ac G C<br />

PR~F~NDRURRN'~~U~E~: ... O-7 7-14 O-6 6-12 12-23 O-7 7-15 o-9 9-19 19-31<br />

ANALYSE PHYSIQUE: %%%%%%%%%%<br />

Détritus ............ 0.5 0.0 0.0 0.0 3.0 0.5 8.0 0.0 0.0 27.0<br />

Sable. .............. 22.0m19.6 40.4 34.0 18.0 29.6 21.6 18.0 16.0 31.6<br />

Limon. ............. 39.2 38.8 26.4 20.4 33.2 36.4 42.4 52.4 51.2 33.6<br />

Argile. ............. 38.8 41.6 33.2 45.6 48.8 34.0 36.0 29.6 32.8 34.8<br />

Humidité. .......... 3 .O 2.6 1.5 1.8 1.7 2.9 1.2 1.3 0.8 0.8<br />

Perteaufeu.. ....... 8.7 5.0 6.5 3.4 3.7 9.9 3.0<br />

C organique. ........ 3.10 1.13 2.40 0.39 0.40 4.02 0.43<br />

Mat&e organique .... 5.34 1.95 4.13 0.67 0.68 6.89 0.74<br />

ANALYSE CHIMIQUE:<br />

Si02. ............... 64.6 67.3 69.0 69.6 67.4 61.5 68.2<br />

R203................20 .6 17.9 21.1 23.9 26.0 23.4 24.4<br />

Ca0 ................ 0.39 0.24 1.43 1.14 1.09 1.96 1.68<br />

Mg0 ............... 2.00 1.55 1.89 2.42 3.00 2.37 2.39<br />

.K20 ................ 1.94 2.19 2.09 2.60 3.00 2.68 3.18<br />

MnW .............. ,O.l.S 0.11 0.17 0.20 0.11 0.11 0.10<br />

P205 ............... 0.05 0.04 0.07 0.06 0.07 0.07 0.05<br />

N .................. 0.31 0.15 0.23 0.08 0.08 0.41 0.09<br />

RÉACTION:<br />

pH ................. 5.3 5.3 5.8 6.2 7.4 6.2 7.0 5.6 6.0 6.5<br />

Besoin en CaC03<br />

livres par acre. ...... 10100 6700 4100 2100 0 5100 1100<br />

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

Bases totales. ....... 15.8 16.0 14.0 19.6 11.2 24.1 12.8<br />

Ca ............. 10.80 11.20 8.70 11.60 5.00 17.00 7.60<br />

ïyg ............. 4.00 3.80 4.50 7.30 5.40 7.00 4.50<br />

Mn ............ 0.47 0.52 0.24 0.25 0.54 0.21 0.25<br />

K .............. 0.51 0.35 0.52 0.39 0.53 0.48 0.36<br />

Hydrogène .......... 10.1 6.7 4.1 2.1 0.0 5.1 1.1<br />

(livres par acre)<br />

Ca ............. 4320 4480 3580 4640 2000 6800 3040<br />

Mg ............. 960 920 1080 1760 1320 1720 1100<br />

Mn ............ 260 280 140 140 300 120 140<br />

K. ............. 400 280 400 300 400 380 280<br />

?L&ENTS ASSIMILABLES:<br />

NO$. ........... 4 4 12 4 4 24 12 4 1,6 8<br />

P206. ..... ...... 25 100 75 130 180 60 185 20 130 1.50<br />

K20. ........... 400 200 400 350 250 200 300 2.50 225 175

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