Effect of Different Levels of Recommended Dose of Fertilizer and Co-Compost on Yield and Economics of Rice VAR. ADT 43
M. G. Arun kumar, M. Thiruppathi, P. Stalin, S. Dinakar
Journal of Advances in Biology & Biotechnology · pp. 88–96 · Published 7 Mar 2025
10.9734/jabb/2025/v28i32072Abstract
The experiment was conducted during Kuruvai season (June – September, 2023) at the Experimental Farm, Department of Agronomy, Faculty of Agriculture, Annamalai University, Annamalai Nagar – 608002, to evaluate the effect of different levels of RDF with and without co-compost application on the yield and economics of rice. The experiment was laid out in split plot design with three replications by graded levels of recommended dose of fertilizers viz 0, 75, 100 and 125% with and without co-compost of sugarcane trash and water hyacinth @ 1:0, 0:1, 1:2 and 2:1 ratio. The results of the experiment revealed that application of 100% recommended dose of fertilizer (M3) significantly registered higher yield attributes, yield and economic returns. The lower value was observed in unfertilized plot (M1). Among the different co-composts tested, application of co-compost of sugarcane trash : water hyacinth @ 1:1 ratio @ 6.25 t ha-1 (S4) registered higher yield attributes, yield and economic returns, with the combination of 100% RDF and this co-compost (M3S4) recorded significantly superior yield advantages and economic rewards of rice.
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