Author(s):

GM Prashantha, SS Prakash, S Umesha, T Chikkaramappa, CT Subbarayappa and V Ramamurthy

Abstract: Field experiments were conducted during 2015-16 and 2016-17 in the farmer’s field at Gutthikatte Village, Hosadurgataluk, Chitradurga district to study the direct and residual effect of zinc and boron on soil enzyme activity. The experiments were laid out in a randomized complete block design with fifteen treatments replicated thrice. The treatments were composed of recommended NPK with varied levels of Zn and B with FYM. The pooled analysis revealed that the direct application of RDF + FYM + ZnSO₄ @ 15 kg ha^-1 + Borax @ 12.5 kg ha^-1 and residual effect of RDF + FYM + ZnSO₄ @ 20 kg ha^-1 + Borax @ 12.5 kg ha^-1 recorded significantly higher dehydrogenase and urease activities were observed in post-harvest soils of both finger millet and groundnut crops compare to other treatments.

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