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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 4216-2011 |
Fast methods to dertermine longevity and release rate of slow/Controlled release fertilizers 缓释/控释肥料养分释放期及释放率的快速检测方法 |
China Chemical Industry
Standards Controlled release fertilizer |
 English PDF |
| HG/T 4215-2011 |
Controlled-release fertilizer 控释肥料 |
China Chemical Industry
Standards Controlled release fertilizer |
English PDF |
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