It would be important to increase soil humus content to alleviate the pollution and enhance the soil self-purification.
提高土壤腐殖质含量是减轻污染危害及增强土壤自净能力的重要措施。
Because of the distinction of soil property and humus content, soil water content is not ideal to indicate whether it is suitable to the growth of plant.
由于土壤性质和腐殖质含量的不同，土壤的含水量并不能很好地说明是否适宜植物的生长。
Deep mixing method for soft soil is ineffective while humus content is above a certain value, thus additives should be mixed into cemented soil to eliminate the influence.
深层搅拌法在加固含有腐殖酸的软土时失去了效用，需要添加促进剂来消除腐殖酸的影响。
The results showed: fertilization could increase the content of humus, decrease E4/E6, and improve the degree of complexity of humic acid molecule.
结果表明：通过施肥提高腐殖质的含量同时能降低胡敏酸E4/E6值，增加了胡敏酸分子的复杂程度。
Further-more, there are well correlations between the content of humus and cellulase activity, between cellulase and hydrogen peroxidase activity.
同时，土壤腐殖质含量与纤维素酶活性、纤维素酶活性与过氧化氢酶活性间有很好的相关性。
The content of methyl functional group of humus is an important index to evaluate the humification of soil.
胡敏酸甲氧基功能团的含量多寡是衡量土壤腐殖质化的重要指标。
The results showed that long term fertilization affected not only the content and composition of soil humus, but also the physicochemical property of the soil humus.
结果表明，长期施肥不仅影响土壤腐殖质的含量与组成，还影响腐殖质的理化性质。
The paper points out that the factors which influence the bark quantity are soil quality, the position and the shape of the slope, the depth of humus soil, and the content of organic matter.
影响黑荆树皮量主导立地因子有土壤质地、坡位、黑土层厚度、坡形、土壤有机质含量。
Application organic fertilizer for long time can improve the content of humus, and inorganic fertilizer can enhance the content of Fulvic acid, decrease the content of humic acid.
长期施用有机肥能提高胡敏酸的含量，施用无机化肥可提高富里酸降低胡敏酸的含量。
The content of total saponin of Ginseng cultivated in farmland and in humus was determined by colorimetric method.
本文用比色法测定了农坡耕地参和腐殖土参总皂甙的含量。
The content of total saponin of Ginseng cultivated in farmland and in humus was determined by colorimetric method.
本文用比色法测定了农坡耕地参和腐殖土参总皂甙的含量。
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