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Le Nord-ouest : la province de Manitoba et les territoires du Nord-ouest,leur etendue, salubrite du climat, fertilite du sol, produits en general...

, 2014
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L’EFFET DU TEMPS DE L’ECHANTILLONNAGE ET DE L’HETEROGENEITE DU CHAMP SUR LES ANALYSES DE FERTILITE DU SOL

Canadian Journal of Soil Science, 1978
The objective of this work was to determine the effect of sampling time and field heterogeneity on the soil fertility tests (pH, organic matter, N, P, K, Ca, Mg). The sampling on Ap horizons was repeated in May, July and October of 1976 at 25 locations of a clay loam soil (Kamouraska Series) and a sandy soil (Vien Series).
Y. A. MARTEL, J. ZIZKA
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