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Long-term effect of manure and fertilizers on soil physico-chemical and chemical properties in rainfed groundnut growing alfisols
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A long-term field experiment was started at the Regional Agricultural Research Station, Tirupati of Acharya N.G. Ranga Agricultural University during kharif-1981. The present study was undertaken during kharif-2015 with a prime objective of monitoring the changes in concentration over a period of time.
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