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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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92 ÉTUDE DES SOLS DU COMTE DE NICOLET<br />

Paroisse et numero<br />

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

TYPE: ...................<br />

RÉSULTATS ANALYTIQUES<br />

<strong>Nicolet</strong> (104) Ste-Ang&le (155) Précieux-Sang( 164)<br />

Sable <strong>de</strong> St-Amable<br />

No DE LABORATOIRE: ...... 19876 19877 19878 19879 19927 19928 19929 19936 19937 19931<br />

HORIZON: ................ Ac B1 B* C Ac B C Ac B’+Bs C<br />

PROFONDEUREN POUCES: ... O-6 6-10 10-24 24+ O-8 8-24 24-k o-7 7-21 21+<br />

ANALYSE PHYSIQUÉ: % % % % % % % % % %<br />

Détritus. ........... 0.0 0.0 0.5 0.5 6.0 11.0 7.0 0.0 1.0 11.0<br />

Sable ............... 88.8 88.8 96.8 97.6 89.2 92.0 93.2 87.8 85.8 92.2<br />

Limon. ............. 7.2 8.2 1.2 1.4 8.0 4.2 3.0 9.4 8.4 '5.2<br />

Argile .............. 4.0 3.0 2.0 1.0 2.8 3.8 3.8 2.8 5.8 2.6<br />

Humiditk. .......... 1.1 2.7 0.5 0.2 0.6 0.4 0.5 1.4 1.9 0.3<br />

Perte au feu. ........ 5.8 7.0 1.2 0.4 3.9 1.1 1.4 9.2 4.8 1.1<br />

C organique. . _ 2.81 3.23 0.42 0.0<br />

Mat&e organique . . 4.84 5.55 0.70 0.00<br />

ANALYSE CHIMIQUE:<br />

Si02. ............... 70.4 67.0 71.1 72.2<br />

R203 17.7 19.9 20.7 20.0<br />

CaO:::::::::::::::: 2.59 1.56 4.51 3.57<br />

Mgo. .............. 0.84 1.01 1.58 1.55<br />

K*O.. .............. 2.09 2.11 1.84 2.11<br />

Mn304 .............. 0.08 0.07 0.12 0.12<br />

p*os ............... 0.06 0.07 0.03 0.04<br />

N .................. 0.22 0.12 0.04 0.02<br />

RÉACTION:<br />

pH.. ............... 5.6 5.9 6.4 6.4 6.0 6.1 6.3 5.2 5.4 6.1<br />

Besoin en CaCOs<br />

livres par acre. ...... 7700 12700 1700 700<br />

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

Bases totales. ....... 3.4 4.2 2.0 2.1<br />

Ca ............. 2.60 3.60 1.30 1.00<br />

Mg ............. 0.60 0.50 0.50 0.70<br />

Mn ............ 0.10 0.03 0.04 0.05<br />

K .............. 0.10 0.09 0.07 0.10<br />

Hydrogene .......... 7.7 12.7 1.7 0.7<br />

Ca ............. 1040 1440<br />

ÉLÉMENTS ASSIMILABLES:<br />

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

(livres par acre)<br />

160 80 10 75 15

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