A field experiment was carried out at Agronomy farm, Dr. PDKV, Akola during kharif season of 2013-14 on clayey soil. The experiment was laid in factorial randomized block design with nine treatments and three replications. Treatments consist of nitrogen application through organic sources viz., 100 % RDN through soybean straw compost, 125 % RDN through soybean straw compost, 150 % RDN through soybean straw compost and Nitrogen levels Viz. 100 % RDN through pigeonpea stalk compost, 125 % RDN through pigeonpea stalk compost, 150 % RDN through pigeonpea stalk compost, 100 % RDN through FYM, 125 % RDN through FYM, 150 % RDN through FYM. Experimental results revealed that growth characters were significantly higher with application of 150 % RDN through FYM followed by 150 % RDN through soybean straw compost and 150 % RDN through pigeonpea stalk compost. Yield attributes and seed cotton yield were recorded significantly higher in 150 % RDN application through FYM followed by soybean straw compost and pigeonpea stalk compost with same level of nitrogen. Cotton stalk and biological yield were significantly maximum with application of 150 % RDN through FYM. The next best treatment was 150 % RDN application through soybean straw compost followed by 150 % RDN through pigeonpea stalk compost.

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