Although agricultural systems in which two or more useful plants are grown simultaneously on the same area have been receiving increasing attention in recent years, the practice has long been recognized as a way in which farmers in the tropics and subtropics with limited land resources can produce food and cash crops.
出版物详细信息
- 出版者: New York State College of Agriculture and Life Sciences, Cornell University,
- Dewey Decimal: 631.58
- ECHO 图书馆: 631.58 KAS