土壤生物和酶活性在改善土壤结构、养分循环、有机质分解和保持中起重要作用。
Soil organisms as well as enzyme activities perform important functions in soil, including structure improvement, nutrient cycling, and organic matter decomposition and retention.
微生物的数量分布与土壤酶活性、有机质含量、土壤养分状况等强弱呈正相关关系。
The quantities distribution of rhizosphere microorganisms were positively correlated with the soil enzymic activities, contents of organic matter and soil nutrients.
微生物群落是影响酶活性的主要生物因素，土壤有机质、温度和湿度等是影响酶活性的重要非生物因素；
Microorganism community is a crucial biotic factor, SOM(soil organic material), temperature and moisture are all important abiotic factors that could affect enzyme activity;
得出结果：26年生杉阔轮栽模式土壤有机质和全N含量增加．土壤生化活性加强．土壤速效养分供应量增强；
The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced.
本试验是探索转化酶的活性及其与土壤有机质和全氮的关系。
This paper is to study the activity of saccharase and the relation between the activity and the soil organic matter and all the nitrogen.
有机质不仅直接丰富了高产农田的磷库，而且通过提高磷酸化酶的活性，降低土壤磷的吸附、固定，促进解吸，增加了土壤磷的有效性。
This is because that organic matter enriched not only phosphorous in the high yield soil, but also increased soil phosphorous availability through decreasing absorption and fixation.
最后提出应加强对土壤有机质周转模型、有机质组分，尤其是活性有机质以及有机质与全球碳循环关系的研究。
In the last part of this paper, some issues to be further researched were put forward, including the turnover model of som, its components, and its relationship with global carbon cycle.
研究了红砂土中加入稻草秸秆和猪粪后土壤中微生物生物量碳、水溶性有机碳、溶解性酚等活性有机质组分的动态变化。
Water-soluble organic carbon(WSOC) was as an important component in the transport and supply of carbon(C) to microorganisms and played a major role the cycle of soil organic matter.
土壤的吸磷能力与土壤活性铁铝和有机质含量呈正相关，与磷吸持饱和度呈负相关。
P adsorption capacity of the soil is positively correlated with its oxalate-extractable iron and aluminum and organic matter contents and negatively correlated with P adsorption saturation degree.
上述研究结果说明，冻融交替作用对黑土土壤有机质、氮钾和酶活性产生重要影响。
The above results show that, the effect of alternative freezing and thawing has a great influence on the soil organic matter, soil nitrogen, soil potassium and some soil enzymes.
土壤有机质、孔隙度、速效氮、锌、铁、锰、酶活性等理化指标与秸秆还田量呈显著正相关；
Soil organic matter, soil porosity, availible N, Zn, Fe, Mn and enzyme are all positively related to the amount of straw applied remarkably, while soil specific weight is negatively correlative.
通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。
Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.
这表明施用生物有机肥能提高土壤有机质、速效K含量和微生物数量，增强土壤转化酶活性，并能提高鲜薯产量和淀粉产量。
Thus bioorganic fertilizer increased the organic matter and available K contents, microorganism numbers and invertase activity in soil, and increased fresh cassava yield and starch yield.
这表明施用生物有机肥能提高土壤有机质、速效K含量和微生物数量，增强土壤转化酶活性，并能提高鲜薯产量和淀粉产量。
Thus bioorganic fertilizer increased the organic matter and available K contents, microorganism numbers and invertase activity in soil, and increased fresh cassava yield and starch yield.
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