S.C. NEGI, S.S. RANA, ASHISH KUMAR, S.K. SUBEHIA, S.K. SHARMA. Productivity and energy efficiency indices of diversified maize (Zea mays)-based cropping systems for mid hills of Himachal Pradesh. IJA. 2001;61(1):41883 . doi:10.59797/ija.v61i1.4333