Results showed that in compound management of forest and agriculture it is obviously existed the effect on soil chemical property, and there is difference because of variety of the crop.
研究结果表明：实行农林复合经营对土壤化学性质有显著的影响，并因作物的品种而存在差异。
The influence tendency by different content of lime, water and compacting degree can be found based on the physical and chemical property research of a typical expansive soil and modified treatment.
通过对一种典型膨胀土物理力学性质的研究及掺加石灰进行改性处理试验，得出了不同掺灰量、不同含水量及不同压实度对膨胀土性能的影响规律。
After the natural drying and sieving of soil samples collected from field, physic-chemical property analysis and hyperspectral measurement were carried out in laboratory.
研究区内野外采集的土壤样品经自然烘干、过筛后，分别进行土壤理化性质分析和高光谱测试。
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