Author: K.R. KUMARESEAN. R. NAGARAJAN. P. SAVITHIRI and T, S, MANICKAM,
p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 72, Issue: jul-jul,
Two field experiments were conducted in the Typic Haplustalls and Typic Ustor thents soils of Tamil Nadu to determine the effect of continuous cropping and ferti- lization on the changes in micronutrient availability. There was a greater rate of depletion of micronutrients in Typic Haplustalfs than the Typic Ustarthents soils. Rate of depletion of micronutrient was highest for zinc followed by copper, manga- nese and iron in both these soils indicating the need for proper micronutrient fertilization in Typic Haplustaffs.
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