The degradation of cypermethrin in different soils and the effect of cypermethrin on different soil enzymatic activity are conducted.
研究不同土壤中，氯氰菊酯降解变化和对土壤酶活性的影响。
The poplar growth and soil enzymatic activity was studied as affected by humic acid fertilizer (NHA), which was made by activated brown coal.
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 effect of nitrogen fertilizer on soil enzymatic activity and rhizosphere microorganisms of Yumai 49-198 root system was studied in this paper.
在大田高产栽培条件下，研究了不同施氮水平对豫麦49-198根际微生物和土壤酶活性的影响。
This paper presents the analysis results of the soil microbe distribution and enzymatic activity in the young apple garden with different intercropping system in the loess region.
研究了黄土塬区塬面不同套种作物的幼树苹果园土壤微生物的分布和酶活性。
This paper presents the analysis results of the soil microbe distribution and enzymatic activity in the young apple garden with different intercropping system in the loess region.
研究了黄土塬区塬面不同套种作物的幼树苹果园土壤微生物的分布和酶活性。
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