Author(s):

Shalini Chandan and Vijai P

Abstract: The experiment was carried out in pot culture during rabi 2016-17 at Institute Agricultural Farm and Department of Plant Physiology of Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, with the soil and foliar application of zinc sulphate hepta-hydrate (ZnSO4.7H2O) as zinc nutrition and Fe-EDTA as iron nutrition on lentil crops and was arranged in completely randomized design (CRD) with 11 treatments and three replications. Measured biochemical parameters were soluble leaf protein content, nitrate reductase activity, total soluble sugar, chlorophyll ‘a’, chlorophyll ‘b’ and carotenoid pigments. The zinc foliar spray showed better performance with protein content, total soluble sugar, nitrate reductase activity, chlorophyll and carotenoid content in zinc deficient soil. When iron was applied as soil and foliar separately i.e. T4 and T5, did not show significant increase but T7 (both soil and foliar treatment of iron) showed a significant increase in case of nitrate reductase activity. Results showed the significant increase in case of foliar treatment in comparison to soil treatment at 1% level of significance. In general, mean comparison showed that the effect of soil and foliar application of both zinc and iron (T10) was overall significant and considered to be prime treatment in case of zinc deficient soil.

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