Polyculture cropping systems
Kass, D.C.L.
Polyculture cropping systems Review and analysis - Ithaca 1978 - 1-69 p. - Polyculture, Cropping Cornell International Agricultural Development. Bulletin No. 32 .
633:631.58
Polyculture cropping systems Review and analysis - Ithaca 1978 - 1-69 p. - Polyculture, Cropping Cornell International Agricultural Development. Bulletin No. 32 .
633:631.58