Soybean growth and yield response to integrated nutrient management under soybean-maize crop sequence in Typic haplustert soils of Maharashtra

Abstract

A field experiment was conducted for two consecutive years in 2016-17 and 2017-18 at the Research Farm of Department of Agronomy, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola (Maharashtra) to evaluate the effects of inorganic nutrients on the crop growth and yield under diversified soybean-maize cropping system. The treatments applied to monsoon season soybean were, S1 - RDF (30:75:30 NPK kg ha-1), S2 - 50 % RDN + 50 % RDN through vermicompost, S3 - 50 % RDN + 50 % RDN through FYM, S4 - 50 % RDN + 50 % RDN through compost and S5 - 50 % RDN + 50 % RDN through soybean straw + Trichoderma viride @ 1 kg ha-1 to soybean. These treatments were replicated four times in randomized block design. The study revealed that, soybean growth characters, yield attributes, grain yield, straw yield and harvest index were significantly improved with application of RDF (30:75:30 NPK kg ha-1) through chemical fertilizers. However, the application of 50% RDN + 50% RDN through vermicompost also improved all parameters equally, thus giving way to conclude that application of 50% RDN through inorganics + 50% RDN through vermicompost can to be the most feasible integrated nutrient management system which possess the potential to replace the source of nitrogen through organics.