 |  | | |
 | manganese |
| |
|
|  |
 | maximum economic yield (MEY) |
| |
|
|  |
  | East Zone India |
| |
   | Eastern Canada & Northeast U.S. |
|  |
  | Great Plains U.S. |
| |
   | North and West Zone India |
|  |
  | Northcentral China |
| |
|
|  |
  | Northern Latin America |
| |
|
|  |
  | South Zone India |
| |
 | SZ INDIA-34 | Systematic approach for maximum economic yield in rice-based cropping systems in Tamil Nadu |  |
| SZ INDIA-41 | Balanced Fertilization for Maximization of Crop Yields in South India |  |
|
|  |
  | Southeast China |
| |
|
|  |
  | Southern India & Sri Lanka |
| |
|
|  |
  | Southwest China |
| |
|
|  |
  | Western U.S. |
| |
|
|  |
 | nitrogen |
| |
|
|  |
 | nutrient management |
| |
|
|  |
 | nuts |
| |
|
|  |