TY  - BOOK
AU  - Powers, Laura E
AU  - Mc Sorley, Robert
TI  - Ecological principles of agriculture
SN  - 0-7668-0653-7
U1  - 630.27721 21st
PY  - 2000///
CY  - [Africa]
PB  - Delmar
KW  - Agricultural ecology; Agriculture
N2  - Ecological principles of agriculture will help in understanding the ecological principles operating in any agricultural system. Everyone will findit invaluable as a general overview of ecological principles especially as they relate to agricultural practi
ER  -