Suitability of Lime, Green Leaf, and Farm Yard Manure and Inorganic Fertilizers for Sustaining Green Gram Yield and Rainwater Use Efficiency Under Moist Sub-Humid Alfisols in India

Mishra, A.; Sankar, G. R. M.; Behera, B.; Pal, A. K.; Mohanty, S. K.; Rath, B. S.; Mishra, P. K.

Communications in Soil Science and Plant Analysis 48(12): 1417-1427


ISSN/ISBN: 0010-3624
DOI: 10.1080/00103624.2017.1373784
Accession: 066347638

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Field experiments were conducted to assess the effect of nutrients management practices on yield and rainwater use efficiency of green gram (Vigna radiata), and soil fertility under moist sub-humid Alfisols at Phulbani, India, during 2005-2008. Ten treatment combinations of lime @ 10% and 20% of lime requirement (LR) @ 8.3 t ha(-1), farmyard manure (FYM) @ 5 t ha(-1), green leaf manure @ 5 t ha(-1), and nitrogen, phosphorus, and potassium (N-P-K) (20-40-20kg ha(-1)) were tested. The analysis of variance indicated that treatments differed significantly from each other in influencing yield and rainwater use efficiency. Application of lime @ 20% LR + FYM @ 5 t/ha + 40 kg P+20 kg K ha(-1) was superior with maximum mean yield of 531kg ha(-1), while lime @ 10% LR + FYM @ 5 t ha(-1) + 40 kg P+20 kg K ha(-1) was the second best with 405kg ha(-1) and maintained maximum soil fertility of nutrients. The superior treatment gave maximum sustainability yield index of 67.5%, rainwater use efficiency of 0.49kg ha(-1) mm(-1), improved soil pH, electrical conductivity, and soil nutrients over years.