Performance of Different Sources of Organic Manures with INM and RDF on Tiller Production, Dry Matter Production, Grain and Straw Yield of Rice (Oryza sativa L.) Alagappan S.*, Dr. Venkitaswamy R. Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore - 641 003, Tamil Nadu, India *Email: alga.s@rediffmail.com
Online published on 13 January, 2015. Abstract Field experiments were carried out at Tamil Nadu Agricultural University, Coimbatore, India during samba (August-December) season of 2012 and 2013 to study the effect of different sources of organic manures in comparison with INM and RDF on growth and yield of rice (Oryza sativa L.). The experiment consisted of fourteen treatments which were laid out in Randomized Block Design, replicated thrice and SRI method of planting was adopted during both the years. Among fourteen treatments, four treatments with different organic manures at 100 per cent RDN on equi nutrient basis (farm yard manure, vermi-compost, poultry manure and (Dhaincha) green manure) another six treatments consisted of 50 per cent combination of each manure, one treatment with 1/4th combination of all the manures and one absolute control (without organic or inorganic). These treatments were compared with the recommended dose of fertilizer (RDF) and integrated nutrient management practice (RDF + Dhaincha). The more number of productive tillers m−2, dry matter production and grain yield were recorded under INM imposed treatment followed by RDF. Among the organic treatments, 100% RDN through green manure followed by 25% RDN through each organic manures combination recorded more number of productive tillers m−2, dry matter production and grainyield in boththe years of experimentation. Top Keywords rice, productive tillers, dry matter production, grain and straw yield. Top |