Agro-ecological subregions of India for planning and development
"Velayutham, M."
Agro-ecological subregions of India for planning and development - Nagpur National Bureau of soil survey and land use planning (ICAR) 1999
818546054x
634
Agro-ecological subregions of India for planning and development - Nagpur National Bureau of soil survey and land use planning (ICAR) 1999
818546054x
634