Author(s):

Buha Divya Babubhai, MS Solanki, Barkha Rani and Vala Femi Gaurangbhai

Abstract: A pot culture experiment was conducted during summer 2017 at Department of Agril. Chemistry & Soil Science, College of Agriculture, JAU, Junagadh to study effect of chemical and nano potassic fertilizer on growth, yield and yield attributes of maize (Zea mays L.) crop. The investigation was carried out in CRD design three replication with seven different treatments. The treatments included T₁ = Absolute control (No fertilizer), T₂ = Nano polymer, T₃ = RDK dose of maize crop through chemical fertilizer, T₄ = NK_2.5-2.5 times reduction of RDK through nano fertilizer, T₅ = NK₅-5 times reduction of RDK through nano fertilizer, T₆= NK₁₀-10 times reduction of RDK through nano fertilizer, T₇ = RDK through nano fertilizer. The maximum growth parameter and yield characters were observed with nano fertilizer treated soil than chemical fertilizer added to soil. The results revealed that the application of 2.5 time reduction of RDK through nano fertilizer significantly increased growth parameters, yields and quality characters of maize crop. This also brought significant increase in content and uptake of nutrients.

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