The Effect of Phosphorus Fertilization on the Zinc Nutrition of Several Irrigated Crops
1961
In field experiments, P-induced Zn deficiencies were observed in field corn in 1958 and in sweet corn, tomatoes and field corn in 1959. In greenhouse experiments with Red Kidney beans (Phaseolus vulgaris), severe P-induced Zn deficiencies occurred with P fertilization. Zinc absorption was increased by Zn fertilization and decreased by P fertilization. Phosphorus uptake was increased with P fertilization and decreased by Zn fertilization. When both Zn and P were applied, the uptake of both Zn and P were reduced.
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