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40 积分 2026-10-08 加入
Determination of the aluminium complexing capacity of fulvic acids and natural waters, with examples from five New Zealand rivers
6小时前
已关闭
The use of Ca-modified, brown-coal-derived humates and fulvates for treatment of soil acidity
6小时前
已完结
Amelioration of subsoil acidity by application of a coal-derived calcium fulvate to the soil surface
17天前
已完结
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