作者: Gurmail Singh , G. S. Bhalla
DOI:
关键词: Conservation agriculture 、 Cropping 、 Terms of trade 、 Economics 、 Productivity 、 Green Revolution 、 Agricultural economics 、 Agriculture 、 Agricultural productivity 、 Agricultural policy
摘要: … re gional levels during 1962-65 to 2003-06 and three sub-periods, namely, 1962-65 to 1980… -93 (maturing of Green Revolution), and the post-reform period from 1990-93 to 2003-06. …