TY - BOOK AU - Ramakrishnan, P S TI - Shifting agriculture and sustainable development: : An interdisciplinary study from North-Eastern India T2 - Man and the biosphere series SN - 0195633121 PY - 1993/// CY - Delhi: PB - Oxford University Press, KW - Agriculture KW - Nutrient KW - Cropping N1 - Vol. 10 ER -