brown coal huminite
... Victorian brown coal 维多利亚褐煤 brown coal huminite 褐煤腐殖酸肥料 bituminous brown coal 沥青质褐煤 ...
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利用活化后褐煤腐殖酸为吸附基质制成缓效肥料(NHA)，研究了其对盆栽杨树生长、土壤酶及理化性质的影响。
The poplar growth and soil enzymatic activity was studied as affected by humic acid fertilizer (NHA), which was made by activated brown coal.
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