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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NY/T 890-2004 |
Determination of available zinc, manganese, iron and copper content in soil Diethylenetriaminepentaacetic acid (DTPA) leaching method {译} 土壤中有效态锌、锰、铁、铜含量的测定 二乙三胺五乙酸（DTPA）浸提法 |
China Agriculture Industry
Standards Determination available zinc, |
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