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