... 粪粒团聚体 coprogenous aggregate 风干土 air-dried soil 风化残余物 weathering residue ...
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本文主要研究了不同磁场强度对风干土和湿土脲酶活性的影响。
The results show that the soil's urease activity is strongly affected by magnetic field of certain intensities.
施钾对风干土样水溶性铵的影响与鲜样中不同，也与施钾抑制土壤风干过程中铵的释放有关。
The different effects of K on WSA in the fresh soil and air-dried soil were also attributed to K inhibiting ammonium release during air-drying course.
同时，对试验结果进行了分析，土样采用天然土、风干土、烘干土、制备土进行击实试验，以观察试验结果的区别。
Meanwhile, analyze the experimental result, do attack experiment use natural soil, air-dry soil, stoving soil and preparation seil, observe the difference.
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