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PQ43 Étude des sols du comté de Nicolet - IRDA

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TYPE:<br />

ETUbE DES SOLS DU COMTÉ DE NICOLET 57<br />

RÉSULTATS ANALYTIQUES<br />

Paroisse et numéro Ste-Gertru<strong>de</strong> St-Sylvh-e Gentilly<br />

<strong>de</strong> l’échantillon: (79) (103) (109)<br />

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

Terre franche sableuse <strong>de</strong> Raimbault<br />

No DE LABORATOIRE ....... 19275 19276 19277 19299 19300 19301 19748 19749 19751<br />

HORIZON .................. 'Ac G C Ac G C Ac G C<br />

PROFONDEUR EN POUCES ..... O-8 8-18 18+ O-8 8-19 19+ o-9 9-18 18+<br />

ANALYSE PHYSIQUE ......... y0 y0 y0 y0 y0 y0 y0 y0 y0<br />

Détritus. ............ 13.5 3.0 10.0 1.0 1.5 2.5 0.5 5.0 11.5<br />

Sable ................ 72.4 70.8 63.8 62.8 60.4 60.8 42.4 64.4 75.2<br />

Limon ............... 19.2 16.8 27.8 28.8 28.6 28.8 39.2 26.0 15.4<br />

Argile. .............. 8.4 12.4 8.4 8.4 11.0 10.4 18.4 9.6 9.0<br />

Humidite ............ 1.0 0.5 0.1 0.7 0.2 0.1 2.0 0.3 0.2<br />

Perte au feu. ......... 4.5 1.3 0.5 5.S 0.7 0.5 8.7 0.9 0.9<br />

C organique. ......... 2.10 0.20 0.00 2.90 0.01 0.00 4.20 0.22 0.24<br />

Matiere organique ..... 3.6 0.3 0.0 S.0 0.0 0.0 7.2 0.3 0.3<br />

ANALYSE CHIMIQUE:<br />

Si@ ................. 72.7 72.1 73.2 70.3 72.8 72.9 64.3 71.7 70.1<br />

R203 ................ 16.3 19.2 18.2 17.0 19.0 19.0 11.5 18.S 18.8<br />

Ca0 ................. 1.91 2.18 2.66 2.33 2.62 2.80 2.20 2.73 .3.0<br />

Mgo.. .............. 0.59 0.88 0.93 0.56 0.87 0.84 0.92 1.12 1.1<br />

K*O. ................ 1.94 2.35 2.20 2.27 2.18 2.19 2.17 2.14 2.0<br />

lMn304. .............. 0.06 0.08 0.08 0.06 0.08 0.08 0.08 0.07 0.0<br />

P206.............: ... 0.05 0.10 0.15 0.10 0.12 0.12 0.14 0.09 0.0<br />

N ................... 0.15 0.03 0.01 0.15 0.02 0.01 0.33 0.03 0.0<br />

R~A~TION:<br />

pH .................. 5.6 5.8 7.6 5.9 7.0 8.1 5.5 7.6 8.4<br />

Besoin en CaC03<br />

livres par acre. ....... 5800 1800 0 3400 400 0 3900 100 0<br />

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

Bases totales. ........ 3.1 4.1 7.3 7.7 6.6 9.3 19.5 5.7 5.0<br />

Ca.. ............ 1.90 3.13 5.94 6.41 5.49 8.17 15.30 3.30 3.71<br />

Mg .............. 0.05 0.04 0.05 0.80 0.69 0.84 3.60 2.10 0.4(<br />

Mn.. ........... 0.44 0.69 0.87 0.04 0.10 0.07 0.12 0.08 0.1;<br />

K ............... 0.15 0.10 0.10 0.16 0.10 0.11 0.31 0.18 0.2(<br />

Hydrogene ........... 5.8 1.8 0.0 3.4 0.4 0.0 3.9 0.1 0.0<br />

(livres par acre)<br />

Ca .............. 760 1260 2360 2560 2380 3260 6120 1320 1480<br />

Mg .............. 30 22 28 196 168 200 880 510 98<br />

Mn. ............ 106 168 212 22 54 36 66 44 102<br />

K ............... 120 82 76 126 84 88 240 140 200<br />

?LÉMENTs ASSIMILABLES:<br />

NO3 ............. 12 16 12 60 16 16 32 8' 4<br />

P205. ......<br />

10 175 110 200 200 150 100 175 120<br />

K20 ........ .: .::. 144 192 -100 144 -100 -100 200 175 200

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