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ORIGINAL ARTICLE
Year : 2016  |  Volume : 2  |  Issue : 2  |  Page : 70-76

Effect of Mineral and Organic Nutrient Management on Sweet Corn Production System in Acid Lateritic Soil of India


1 Department of Agronomy, F/Ag, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, India
2 Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur, West Bengal, India

Correspondence Address:
Dr. Kanu Murmu
Department of Agronomy, F/Ag, Bidhan Chandra Krishi Viswavidyalaya, P.O. Krishi Viswavidyalaya, Mohanpur - 741 252, Nadia, West Bengal
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2423-7752.191398

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Introduction: Nutrient management plays a key role in improving crop yield with maintenance of soil fertility for sustainable production in intensive cropping. Aim: A field experiment was conducted to study the effect of organic and mineral sources of fertilizer on yield and quality of sweet corn grown in acid laterite soil of India during the years 2009 and 2010. Materials and Methods: The organic inputs were vermicompost (VC), vermiwash (VW), biofertilizer (BF), and crop residue (CR) and the inorganic input was mineral fertilizer. Results: Optimal application of N, P, and K (100% recommended dose) either through organic source or mineral source was significantly superior to their suboptimal dose in increasing the yield of sweet corn, wherein mineral fertilizer recorded maximum production. Between organic and mineral sources of fertilizer application, ascorbic acid and total phenolics content of sweet corm were higher in organic nutrient management. The ascorbic acid was higher by 133% in VC100 and 37% in VC50 + CF50 compared to mineral (CF100) treatment. But crude protein content was low by 13.5% in VC100 and 2.9% in VC50 + CF50, respectively, as compared to CF100 treatment. Organic carbon content and pH of the acid lateritic soil were improved in organic nutrient management as compared to mineral fertilizer. Conclusion: Organic fertilizer application, therefore, exhibited potential in improving sweet corn yield and quality and soil health in acid lateritic soil of the subtropical climate.


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