An assessment of the soil resources of Africa in relation to productivity
Hari Eswaran; Russell Almaraz; Evert van den Berg; Paul Reich
- 作者Hari Eswaran; Russell Almaraz; Evert van den Berg; Paul Reich
- 卷第77卷
- 期第1期
- 印刷ISSN0016-7061
- 文件大小1273.43KB
- 发表时间1997
- DOI10.1016/s0016-7061(97)00007-4