Soil organic matter decomposition was increased under mulch.
地膜覆盖使土壤有机质分解增快。
Soil organic matter content has a close relation with soil fertility.
有机质与土壤肥力的关系极为密切。
Spring with moss, so the soil organic matter, is it place moist fertile.
泉水中附有苔藓之类的有机物，因而土壤较它处润泽肥沃。
Not backfilling silt, corruption and graft, permafrost soil organic matter.
不得回填淤泥、腐植土、冻土及有机物质。
This region is short of soil organic matter for the average value is less than 1%.
该地区土壤有机质含量均很低，平均还不到1％。
Soil organic matter(SOM) is always a research focus in the soil and environmental science.
土壤腐殖物质一直是土壤学和环境学领域的研究热点。
Soil organic matter is the product of microbial decomposition of plant and animal residues.
土壤有机质是微生物分解植物和动物残体的产物。
The decomposition rate of original soil organic matter is inversely proportional to its half-life.
土壤中原有的土壤有机质分解速度与半衰期成反比。
A major portion of the soil organic matter is derived from the added and residual vegetative material.
加进去的和残留下来的植物物质则是土壤有机质的主要来源。
The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.
取样间距对合理取样数目具有一定的影响，合理取样数目分别为：有机质（24）、全氮（34）、全磷（10）。
Radiocarbon of soil organic matter (SOM) in Dinghushan subtropic forest has been adjusted by the "bomb-effect".
对鼎湖山亚热带森林土壤有机质(SOM)放射性碳进行了核爆效应校正。
There is positive correlation between the phosphatase activity and soil organic matter, total P and available P.
磷酸酶的活性与有机质、全P和速效P都呈正相关，但与有机质的相关性不显著；
Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.
土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
There is a relationship on soil polyphenol oxidase betweenforming of soil organic matter and medium of forming humus.
土壤多酚氧化酶与土壤有机质的形成有关，是腐殖化的一种媒介。
In the condition of revert of the halophyte, the soil organic matter is less than 0. 5 %, the soil is even more poor.
盐生植被的归还条件下，土壤有机质含量小于0．5％，甚至近乎贫瘠；
The content of soil organic matter affected soil swelling rate remarkably when soil texture was not obviously different.
有机质含量在质地差别不明显情况下，对土壤膨胀率也有极显著的作用与影响；
The results showed that soil organic matter under alkaline soil condition may affect remarkably the content of available nutrients.
结果表明土壤有机质可显著影响有效态养分含量。
It is considered that active soil organic matter had influence on soil nutrient, plant growth, environment, atmosphere and human kind.
土壤有机物质的活性成分是对土壤养分、植物生长乃至环境、大气和人类有影响的有效物质。
It embodied that the content of soil organic matter increased, soil unit weight improved, and the number of soil microorganism increased.
具体表现在增加了土壤有机质含量，有利于土壤容重的改善，同时增加了土壤微生物种群和数量。
This paper is to study the activity of saccharase and the relation between the activity and the soil organic matter and all the nitrogen.
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。
Soil water content, soil organic matter content, soil roughness and soil texture etc. are very important information in precision farming.
对于土壤来说，土壤湿度、土壤的有机质含量、土壤粗糙度、土壤质地等特性是精准农业中所需要的重要信息。
The study also noted that when tilled soil particles come in contact with air, soil organic matter is lost through the process of oxidation.
该研究还指出了，当耕作土壤颗粒与空气接触，土壤有机质就会在氧化过程中流失。
Soil organic matter content increases gradually from upstream to downstream in the gully with seabuckthorn flexible dams and in the dam body.
沟道及沙棘柔性坝的土壤有机质含量在纵向大致呈现由上游到下游缓慢递增的过程。
It also shows that the growth of plantation is greatly affected by the content of soil nutrients specially total n, total K and soil organic matter.
林分生长与林地土壤中全n、全k以及有机质等养分的含量显著相关。
The results Showed that soil organic matter increased 0.023% after the synthetical amelioration method was used to it. The total N increased 0.087%.
结果表明，采取改垄向、带状间作、机械灭茬、增施农肥、配方施用化肥等综合培肥措施后，土壤有机质净积累0．023％，全氮净积累0．087％。
Mixing application of organic and inorganic fertilizer is favorable to increase amount of soil organic matter and to improve soil physical environment.
有机肥与化肥配合施用，土壤有机质呈增加趋势，有利于土壤物理环境的改善。
The result shows that the content of soil organic matter, total nitrogen and different forms nitrogen decreased firstly, then increased by time pasted.
结果表明，该区域土壤有机质、全氮及各形态氮素含量呈现先降后升的趋势。
The content of the available trace elements increased with that of the soil organic matter increasing, but decreased with much more that of organic matter.
土壤有效态微量元素的含量随着土壤有机碳含量增加而增大，但当土壤有机碳含量过高时，土壤有效态微量元素含量反而呈变小趋势。
Soil organic matter is a very important part of forest ecosystem productivity, and is also a very important tache of biological cycling in forest ecosystem.
土壤有机质为森林生态系统生产力构成的重要部分，是森林生态系统生物循环中的重要环节之一。
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