Madras Agricultural Journal
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UPTAKE OF ZINC, MANGANESE, IRON AND COPPER BY POTATO AS AFFECTED BY APPLIED POTASSIUM

Abstract

Field Studies on the effect of potassium on the uptake of Zn, Mn, Fe and Cu by... potato revealed that increase in the level of applied potassium enhanced the uptake of Zn. Mn, Fe, and Cu of tubers and haulms (tops) of potato FYM increased the uptake of micronutrient at lower rates of potassium. Significant increase in the total uptake (tuber and haulms) of micronutrient was found, invariably, up to the application of 100 kg K20/ha in the absence as well as presence of FYM.

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