最后，给出有机质土的液塑限关系推导公式。
At last, a formula presenting the relation of liquid plastic limit of organic soil is derived.
七甸泥碳土的有机质含量高、天然孔隙比大、压缩性强、天然含水量高、强度低。
Qidian peat soil has the high organic content, big natural pore ratio, strong compression, high natural water-content, slow strength.
对取自山西省北部不同地点、不同层次的土样的p H值、磷、钾、有机质、水含量的变化进行了研究。
Studies were made of variation of pH, P, K, organic matter, and moisture in soil samples from different sites of north Shanxi.
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