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Ítem Yield and soil nutrient changes in a long-term rice-wheat rotation in India(Wiley) Bhandari, A.L.; Ladha, J.K.; Pathak, H.; Padre, A.T.; Dawe, D.; Gupta, R.K.Ítem Trends of climatic potential and on-farm yields of rice and wheat in the Indo-Gangetic Plains(Elsevier) Pathak, H.; Ladha, J.K.; Aggarwal, P.K.; Peng, S.; Das, S.; Singh, Yadvinder; Singh, Bijay; Kamra, S.K; Mishra, B.; Sastri, A.S.R.A.S; Aggarwal, H.P; Das, D.K; Gupta, R.K.Ítem How extensive are yield declines in long-term rice-wheat experiments in Asia?(Elsevier) 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.RÍtem Sustainability of the rice-wheat cropping system: issues, constraints, and remedial options(Informa UK Limited) Ladha, J.K.; Pathak, H.; Gupta, R.K.Ítem Long-term effects of organic inputs on yield and soil fertility in the rice-wheat rotation(Wiley) Yadvinder-Singh; Bijay-Singh; Ladha, J.K.; Khind, C.S.; Gupta, R.K.; Meelu, O.P.; Pasuquin, E.Ítem Yield and phosphorus transformations in a rice-wheat system with crop residue and phosphorus management(Wiley) Gupta, R.K.; Yadvinder-Singh; Ladha, J.K.; Bijay-Singh; Singh, Jagmohan; Singh, Gurpreet; Pathak, H.