The Relationship of Soil Properties to Exchangeable and Water-Soluble Copper and Molybdenum Status in Podzol Soils of Eastern Canada
1966
Gupta, Umesh C. | MacKay, D. C.
The exchangeable and water-soluble Cu and Mo contents were investigated from soils of the Podzol region of Eastern Canada. Average exchangeable Cu and water-soluble Cu content varied from 1.06 to 19.30, and 0.09 to 0.46 ppm, respectively. Soils derived from Permo-carboniferous rocks were lower in exchangeable Cu than those of other geologic origin. In general the exchangeable Cu content was lower on sandy soils but did not vary much in other soil series. Water-soluble Cu was not related to any of the soil properties. Exchangeable Cu did not seem to follow any continuous pattern with organic matter or pH. Average exchangeable Mo content of different soil series ranged from traces to 0.227 ppm and was much lower in the soils derived from Permo-carboniferous rocks. The Mo content was higher in soils with pH values > 6.0, and a significant positive correlation coefficient was observed between the two variables. Its amount was significantly higher on the fine-textured soils than on the coarse-textured sandy soils.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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