Double cropping on non-irrigated lands
Jain, H.K.
Double cropping on non-irrigated lands - New Delhi 1980 - 1-22 p. - Cropping Indian Agricultural Research Institute. Research Bulletin No. 17 .
Double cropping on non-irrigated lands - New Delhi 1980 - 1-22 p. - Cropping Indian Agricultural Research Institute. Research Bulletin No. 17 .