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 | 247 |
| Canada | 36 |
| Australia | 20 |
| England | 16 |
| Bangladesh | 11 |
| France | 9 |
| GERMANY (FED REP GER) | 8 |
| Kenya | 8 |
| CHINA MAINLAND | 7 |
| New Zealand | 7 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| TUFTS UNIVERSITY | 31 |
| UNITED STATES DEPARTMENT OF AGRICULTURE... | 31 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 22 |
| JOHNS HOPKINS UNIVERSITY | 19 |
| CORNELL UNIVERSITY | 14 |
| HARVARD UNIVERSITY | 13 |
| PENNSYLVANIA COMMONWEALTH SYSTEM OF HIG... | 13 |
| UNIVERSITY OF NORTH CAROLINA | 13 |
| UNIVERSITY OF ILLINOIS SYSTEM | 11 |
| CGIAR | 10 |