Growth, yield and economics of direct seeded non-scented rice (Oryza sativa L.) influenced by integrated nutrient management

Abstract

A field experiment was conducted during the kharif season 2022 at Agriculture research farm, Maharishi Markandeshwar (Deemed to be University), Mullana, Haryana. The experiment conducted in a factorial randomized block design with five treatments and three replications. Three non-scented rice varieties V1: HKR-47, V2: HKR-48 and V3: PR-126 were taken with 5 treatments T1: Control, T2: 100% RDN through urea, T3: 75% RDN through urea + 25% N through vermicompost, T4: 50% RDN through urea + 50% RDN through vermicompost, T5: 25% RDN through urea and 75% RDN through vermicompost. Early duration variety PR-126 responded well to INM approach and recorded significantly higher grain yield (52.87 q ha-1), straw yield (66.27 q ha-1) and Harvest index (44.07%). Among the treatments, T3: (75% RDN through urea + 25% RDN through vermicompost) gave higher values in all parameters. Thus, fertilizing the crop with 75% RDN through urea + 25% through vermicompost have been found beneficial. Among varieties V3: PR-126 gave the highest net return (Rs 64,634/ha) and B: C ratio (2.22) as compared to other two varieties.