How extensive are yield declines in long-term rice–wheat experiments in Asia?
Ladha, J.K, Dawe, D, Pathak, H, Padre, A.T, Yadav, R.L, Singh, Bijay, Singh, Yadvinder, Singh, Y, Singh, P, Kundu, A.L, Sakal, R, Ram, N, Regmi, A.P, Gami, S.K, Bhandari, A.L, Amin, R, Yadav, C.R, Bhattarai, E.M, Das, S, Aggarwal, H.P, Gupta, R.K, Hobbs, P.R
Published in Field crops research (20.02.2003)
Published in Field crops research (20.02.2003)
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Response of wheat to zinc and its critical level in Old Alluvium soils
Singh, A.P, Sakal, R, Thakur, K.N, Sinha, H
Published in The Journal of agricultural science (01.08.1980)
Published in The Journal of agricultural science (01.08.1980)
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Adsorption behaviour of chromium in soils after long term treatment with sewage-sludge
Singh. A.P, Satya Prakash, Sakal, R. (Rajendra Agricultural University, Pusa, Samastipur (India). Department of Soil Science)
Published in Journal of the Indian Society of Soil Science (01.12.1998)
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Published in Journal of the Indian Society of Soil Science (01.12.1998)
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