According to the feature of gravel-soil, the water content of sample is controlled by granule soil content and sampled under the same vertical pressure.
结合碎石土的特点，采用细粒土含量控制试样的含水量，在同一竖向压力下制样。
The sediment and soil potassium condition is related to some factors, such as granule size, organic matter content, CEC and land use means.
沉积物对土壤钾素状况的影响与其颗粒组成、有机质含量、CEC和土地利用方式等因素有关。
The sediment and soil potassium condition is related to some factors, such as granule size, organic matter content, CEC and land use means.
沉积物对土壤钾素状况的影响与其颗粒组成、有机质含量、CEC和土地利用方式等因素有关。
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