| ISBN: | 0801837936 (alk. paper) |
|---|---|
| 编目源: | DLC DLC DLC |
| 地理区域代码: | d------ |
| 题名: | Variability in grain yields : implications for agricultural research and policy in developing countries / edited by Jock R. Anderson and Peter B.R. Hazell. |
| 索书号: | F312.1/A547E |
| 出版发行项: | Baltimore : Published for the International Food Policy Research Institute [by] the Johns Hopkins University Press, c1989. |
| 载体形态: | xix, 395 p. : ill. ; 24 cm. |
| 一般附注: | Includes index. |
| 书目附注: | Bibliography: p. 357-380. |