 |  | | |
 | alfalfa |
| |
|
|  |
 | barley |
| |
|
|  |
 | calcium |
| |
|
|  |
 | carbon sequestration |
| |
|
|  |
 | citrus |
| |
|
|  |
 | coffee |
| |
|
|  |
 | corn |
| |
|
|  |
  | Australia & New Zealand |
| |
   | Eastern Canada & Northeast U.S. |
|  |
  | FAR-NA |
| |
|
|  |
| TX-40F | Response of Cotton to Phosphorous Applied in Irrigation Water on the Texas High Plains |  |
 | TX-41F | Response of Cotton to Potassium in the Texas Blacklands |  |
| TX-42F | Nitrogen Source and Rate Comparisons on South Texas Cotton |  |
 | TX-43F | Variable Rate Phosphorus Fertilization of Cotton in the Southern High Plains |  |
| TX-46F | Potassium Requirements for Narrow Row Cotton in the Texas Blacklands |  |
|
|  |
  | Mexico & Central America |
| |
|
|  |
  | Northwest China |
| |
|
|  |
  | Southeast China |
| |
|
|  |