Effect of Zinc and Iron Fertilization on Soil Nutrient Status of Direct Sown Rice
S. Janardhan, I. Usha Rani, P. Prasuna Rani
International Journal of Plant & Soil Science · pp. 1–5 · Published 25 Mar 2022
10.9734/ijpss/2022/v34i1130932Abstract
A field experiment was conducted to find out the effect of Direct sown rice to zinc and iron nutrition at Agriculture College Farm, Bapatla during kharif, 2017. The experimental treatments include RDF (180 :60 :40 N-P2O5-K2O (kg ha-1); RDF + ZnSO4 @ 50kg ha-1 through soil application; RDF + FeSO4 @ 25kg ha-1 through soil application; RDF + ZnSO4 @ 50 kg ha-1 + FeSO4 @ 25 kg ha-1 through soil application; RDF + foliar spray of ZnSO4 @ 0.2% at 20 and 45 DAS; RDF + foliar spray of FeSO4 @0.5% at 20 and 45 DAS; RDF + foliar spray of ZnSO4 @ 0.2% and FeSO4 @ 0.5% at 20 and 45 DAS. The results revealed that, the soil properties viz., available nitrogen, phosphorus and potassium were not significantly influenced by fertilization of zinc and iron. Among the micronutrients there was significant influence on Zn and Fe content, while Mn and Cu were not significantly influenced by zinc and iron fertilization along with recommended dose of fertilizer.
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