Sustainable agriculture: Issues, perspectives and prospects in semiarid tropics: Proceedings of the first International symposium on natural resources management for a sustainable agriculture Delhi. Feb 1990. V 2
Sustainable agriculture: Issues, perspectives and prospects in semiarid tropics: Proceedings of the first International symposium on natural resources management for a sustainable agriculture Delhi. Feb 1990. V 2
- ISA 1990
Crop genetic resources
Sustainable agriculture
631 S / IND.2
Crop genetic resources
Sustainable agriculture
631 S / IND.2