Studies on Groundnut (Arachis Hypogaea L.) based Diversified Cropping System Including Onion (Allium cepa L)

D.P. Pacharne, J.V. Kathepuri, M.H. Gawande

Abstract


A field experiment was carried out during 2011-12 to 2012-13 at MPKV, Rahuri (M.S.), on sandy clay loam soil to study the groundnut based diversified cropping systems groundnut (Arachis hypogaea L.)- onion (Allium cepa L), groundnut-wheat Triticum aestivum (L) emend. Fiori & Paol. and groundnut-chickpea (Cicer arietinum L.) under different nutrient management practices for maximization yield potential, productivity and profitability. The treatment consists of three cropping systems with four nutrient management treatments viz., recommended dose of fertilizer, fertilizer dose as per soil test, fertilizer dose as per STCR equations and control as main plot treatments, whereas three fertilizer levels viz., 100 % RDF, 75% RDF and 50 % RDF as sub plot treatments. The yield target of 2.5 t/ha was achieved in kharif groundnut by application of fertilizer as per STCR equation with less than 10 % variation (-5.8 %) on pooled mean basis. Among the cropping systems, groundnut (Arachis hypogaea L.)- onion (Allium cepa L) cropping system recorded significantly maximum total system productivity (6.72,8.91 and 7.81 t/ ha), production efficiency (30.16, 39.96 and 35.06 kg/ ha/day) and economic efficiency (Rs. 620.66,1064.26 and 842.46/ ha/ day) than rest of the cropping systems. Similarly, groundnut (Arachis hypogaea L.), onion (Allium cepa L.) cropping system obtained significantly maximum net monetary returns (Rs. 138.2, 237.9 and 188.1 x 103 / ha) and B:C ratio (2.48, 3.47 and 2.98 ) than rest of cropping systems during both years and pooled mean. At the end of the 2 years cropping cycles, application of fertilizer as per soil test crop response (STCR) equation to kharif groundnut followed by 75 % RDF (75-37.5-37.5 N, P2O5, K2O kg/ ha) to onion during rabi season found most beneficial to achieve maximum productivity and monetary benefits in groundnut rabi onion cropping system.

Keywords


Cropping systems, Nutrient management, Productivity, Profitability, Soil health

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References


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