Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Application rates of fertilizers in the long-term experiment.
| Rice season (kg ha–1) |
Wheat season (kg ha–1) |
|||||||||||
| Fertilization time | Before cultivation |
Tillering stage |
Elongation stage |
Before cultivation |
Tillering stage |
Elongation stage |
||||||
| N | P2O5 | K2O | Manure | N | N | N | P2O5 | K2O | Manure | N | N | |
| NoF | – | – | – | – | – | – | – | – | – | – | – | – |
| NPK | 36 | 45 | 90 | – | 36 | 18 | 30 | 30 | 60 | – | 15 | 15 |
| M | – | – | – | 11,250 | – | – | – | – | – | 11,250 | – | – |
| NPKM | 36 | 45 | 90 | 11,250 | 36 | 18 | 30 | 30 | 60 | 11,250 | 15 | 15 |
