 |  | | |
 | recommendations |
| |
   | Eastern Canada & Northeast U.S. |
|  |
  | FAR-NA |
| |
|
|  |
  | North and West Zone India |
| |
|
|  |
  | Northcentral U.S. |
| |
|
|  |
  | Northern Latin America |
| |
|
|  |
  | South Zone India |
| |
|
|  |
  | Southeast China |
| |
|
|  |
| AR-25F | Nitrogen Source, Timing and Rate Management Studies with Rice |  |
 | AR-31F | Development and Implementation of Fertilizer BMP Guides for Six Selected Major Cropping Systems |  |
| GA-19F | Use of Enhanced Soil Survey to Optimize Fertilizer Application in Precision Farming |  |
 | TN-17F | Soil Fertility Requirements for Hybrid Bermudagrass Hay Production |  |
  | Southern India & Sri Lanka |
| |
|
|  |
  | Southwest China |
| |
|
|  |
  | Western India |
| |
|
|  |
 | rice |
| |
|
|  |
 | site-specific management |
| |
|
|  |
 | soil management zones |
| |
|
|  |