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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34765-2024 |
Fertilizers and soil conditioners-Determination of fulvic acid content and carbon coefficient {译} 肥料和土壤调理剂-黄腐酸含量及碳系数的测定方法 |
China National Standards fulvic |
 English PDF |
| GB/T 34765-2017 |
Determination of mineral fulvic acids content 矿物源黄腐酸含量的测定 |
China National Standards fulvic |
English PDF |
| GB/T 35112-2017 |
Humic-acids and fulvic-acids materials products for agricultural use—Classification 农业用腐殖酸和黄腐酸原料制品 分类 |
China National Standards fulvic |
English PDF |
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