发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 57 |
| Ghana | 14 |
| CHINA MAINLAND | 11 |
| GERMANY (FED REP GER) | 11 |
| Nigeria | 8 |
| Canada | 6 |
| India | 5 |
| Indonesia | 5 |
| Italy | 5 |
| Brazil | 4 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| KANSAS STATE UNIVERSITY | 10 |
| UNITED STATES DEPARTMENT OF AGRICULTURE... | 7 |
| UNIVERSITY OF GOTTINGEN | 7 |
| CORNELL UNIVERSITY | 5 |
| SICHUAN AGRICULTURAL UNIVERSITY | 5 |
| UNIV DEV STUDIES | 5 |
| CGIAR | 4 |
| MICHIGAN STATE UNIVERSITY | 4 |
| OHIO STATE UNIVERSITY | 4 |
| UNIVERSITY OF ILLINOIS SYSTEM | 4 |