发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| USA | 67 |
| Peru | 8 |
| Belgium | 1 |
| Canada | 1 |
| Norway | 1 |
| Scotland | 1 |
| Zimbabwe | 1 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| PURDUE UNIVERSITY SYSTEM | 12 |
| UNIVERSITY OF ARIZONA | 8 |
| UNIVERSIDAD NACIONAL DE SAN AGUSTIN DE AREQUIP... | 6 |
| NORTHERN ARIZONA UNIVERSITY | 4 |
| UNITED STATES DEPARTMENT OF AGRICULTURE (USDA) | 4 |
| MONTANA STATE UNIVERSITY SYSTEM | 3 |
| NEW MEXICO STATE UNIVERSITY | 3 |
| TEXAS A&M UNIVERSITY SYSTEM | 3 |
| UNIVERSITY OF MINNESOTA SYSTEM | 3 |
| UNIVERSITY OF NEBRASKA SYSTEM | 3 |