• 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,氯酯降解变化土壤活性影响

    youdao

  • 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及理化性质的影响

    youdao

  • The effect of nitrogen fertilizer on soil enzymatic activity and rhizosphere microorganisms of Yumai 49-198 root system was studied in this paper.

    大田高产栽培条件下,研究了不同施水平对49-198微生物土壤活性影响

    youdao

  • 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.

    研究黄土塬塬面不同套种作物幼树苹果园土壤微生物分布活性

    youdao

  • 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.

    研究黄土塬塬面不同套种作物幼树苹果园土壤微生物分布活性

    youdao

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