Integration of conservation agriculture with best management practices for improving system performance of the rice–wheat rotation in the Eastern Indo-Gangetic Plains of India - Laik, Ranjan; Sharma, Sheetal; Idris, M.; Singh, A.K.; Singh, S.S.; Bhatt, B.P.; Saharawat, Yashpal; Humphreys, E.; Ladha, J.K. (Elsevier, 2014)