Effect of differential substitution of nutrients on growth, quality and economics of Basmati Rice (Oryza Sativa) under irrigated sub-tropics of Jammu Region

A field experiment was conducted at Sher-e-Kashmir University of Agricultural Sciences and Technology Jammu during kharif 2016 to study the growth, yield attributes, yield, quality and economics of basmati rice (Oryza sativa). Significantly highest growth parameters viz., plant height and dry matter accumulation; yield and yield attributes viz., number of panicles hill⁻¹, number of grains panicle⁻¹, grain yield (t ha⁻¹) and straw yield (t ha⁻¹) were 100% [30 kg N: 20kg P₂ O₅:10 kg K₂0] recommended dose of fertilizer). Non-significant changes were recorded in quality parameters viz., amylose and crude protein content. Minimum cost of cultivation (Rs 20782 ha⁻¹), highest gross returns (Rs.79675 ha⁻¹), highest net returns (Rs. 71322 ha⁻¹), and highest benefit cost ratio (3.43) were also recorded with recommended dose of fertilizer.