Growth, Productivity and Profitability of Direct Seeded Rice as Influenced by Maize Crop Residue Management Practices and Fertility Levels in Rice-Maize Sequence Kumar Billa Suresh*, Luther M. Martin, Chandrasekhar K. Department of Agronomy, Agricultural College, Bapatla, ANGRAU-522 101, India *E-mail: sureshkumarcbm@gmail.com
Online Published on 20 February, 2024. Abstract The present investigation was carried out during kharif seasons of 2020-21 and 2021-22 on a sandy clay loam soil at theAgricultural College Farm, Bapatla to study the growth, productivity and economics of direct seeded rice as influenced by maize crop residue management practices and fertility levels in rice-maize sequence. The experiment was laid out in split-plot design with four maize residue management techniques (M1: Exportation of maize stover, M2: In-situ burning of maize stover (farmers practice), M3: Mulching maize stover with rotary mulcher and M4: Incorporation of maize stover with rotovator) as main plot treatments and three fertility levels (100% RDF, 75% RDF and 50% RDF) as sub plot treatments. The incorporation of maize stover with rotovator indicated significant effect on growth, yield attributes and economics of rice compared to exportation of maize stover during both the years of experiment.Among the fertilizer levels, application of 100% RDF significantly improved the growth, yield attributes and economics of rice compared to 50% RDF treatment. Combined use of incorporation of maize stover with rotovator along with application of 100% RDF resulted significantly higher number of filled grains panicle-1 (169.5), grain yield (6195 kg ha-1). Top Keywords Maize crop residue, Fertilizer levels, Plant height, Tillers, Grain yield and direct seeded rice. Top |