SITE SPECIFIC NUTRIENT MANAGEMENT APPROACHES FOR ENHANCING PRODUCTIVITY AND PROFITABILITY IN RICE AND WHEAT UNDER RICE-WHEAT CROPPING SYSTEM
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 54
Abstract
A field experiment was conducted on a silty loam soil (Mollisol) at G.B. Pant University of Agriculture and Technology, Pantnagar during kharif and rabi seasons of 2014-15 and 2015-16 to study the site-specific nutrient management approaches for enhancing productivity and profitability in rice (Oryza sativa L.) and wheat (Triticum aestivum L.) under rice-wheat cropping system. Treatments comprised of 6 nutrient management approaches viz. recommended dose of fertilizers (RDF), Nutrient Expert recommended fertilizer (NE-RF), Nutrient Expert recommended fertilizer under SSNM (NE-SSNM), recommended dose of fertilizer with nano-fertilizer (RDFNf), farmer’s fertilizer practices (FFP) and soil test crop response (STCR) along with 4 nutrient omission treatments viz. PK, NK, NP and –NPK (Absolute control). The results apparently indicated that the treatment Nutrient Expert recommended fertilizer under SSNM (NE-SSNM) is superior over other nutrient management approaches in terms of grain yield, cost of cultivation and profitability. Higher net return, appreciable GRF (Gross return above fertilizer cost) and low TFC (Total fertilizer cost) were obtained under NE-SSNM. Production of more grain yield with less fertilizer use by applying SSNM (Nutrient Expert recommended fertilizer) based fertilizer application in comparison to the blanket N application and other nutrient approaches.
Authors and Affiliations
A. QURESHI
Keywords
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