搜索结果: 1-1 共查到“种子学 cost and returns”相关记录1条 . 查询时间(0.078 秒)
COST AND RETURNS TO CONTRACT SEED PRODUCTION IN NIGERIA: EVIDENCE FROM OSUN STATE
contract production cost and returns Osun State.
2006/9/30
The need to continuously multiply new improved seeds for onward delivery to the farmers, with the sole aim of attaining food self-suffi ciency, necessitates this study. Data were collected from 17 mai...