This study is a prelimary attempt to measure the current US yield potential of selected crops in terms of calories and protein. The primary purpose was to illustrate an investigation approach that would be adaptable to developing countries.
出版物详细信息
- 出版者: Foreign Economic Development Service, U.S. Dept. of Agriculture
- Dewey Decimal: 613.2
- ECHO 图书馆: 613.2 USA