土壤群落的有机质依赖于植物。
Soil communities are dependent on plants for organic matter.
云南橡胶园土壤存在明显酸化、有机质下降、有效养分降低、缺素和营养失调等问题。
Soil acidization, low organic substance and effective nutrients, nutrition defect and disorder are the major problems in rubber plantations of Yunnan.
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。
A major portion of the soil organic matter is derived from the added and residual vegetative material.
土壤有机质中含有少量的磷酸盐，且其比例始终不变。
The organic matter in soil contains a small but fairly uniform proportion of phosphate.
地膜覆盖使土壤有机质分解增快。
Soil organic matter decomposition was increased under mulch.
通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
隐伏硫化物矿体在地下水的作用下，在其覆盖层浅部含铁锰氧化物和有机质的土壤中形成盐晕。
Saline Halos are often formed in the soil containing Fe and Mn oxides and organic material by a concealed sulfide ore body under the action of the ground water.
它在大大增加复垦土壤中各种微生物数量的同时，也增加了土壤中的有机质的含量和肥力。
Itimproved the quantity of all kinds of micro-biology in soil as wellas the number of organism material and its richness.
土壤中水分、有机质和氧化铁的含量对其光谱特征有很大影响。
The soil moisture , organic matter and iron oxide have a considerable effect on the red soil spectrum.
土壤中水分、有机质和氧化铁的含量对其光谱特征有很大影响。
The soil moisture, organic matter and iron oxide have a considerable effect on the red soil spectrum.
土壤胶体中有机质的存在促进了胶体对酶的吸附。
Adsorption was enhanced by the presence of organic matter in soil colloids.
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.
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。
Mixing application of organic and inorganic fertilizer is favorable to increase amount of soil organic matter and to improve soil physical environment.
研究中对基于土壤质地和土壤有机质的我国土壤awc模型进行了空间分析。
The spatial model of soil AWC in China, based on texture and organic matter, was analyzed.
有机质与土壤肥力的关系极为密切。
Soil organic matter content has a close relation with soil fertility.
该地区土壤有机质含量均很低，平均还不到1％。
This region is short of soil organic matter for the average value is less than 1%.
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。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
该地区土壤有机质含量不高。
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。
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.
对不同质地土壤有机质含量与表层含盐量进行相关分析表明，表层为轻壤时，土壤有机质含量与表层含盐量具有明显的负相关性。
The correlative analysis between organic matter content and salinity of the surface layer showed significant negative correlation in soils with coarse texture; but not as significant in other cases.
其中，土壤有机质和物理性粘粒是重要的指标划分依据。
Organic substance and physical clay of soil are important basis for index division.
基于清徐大田土壤试验研究了土壤的凋萎系数与其土壤物理性粘粒含量、有机质含量以及土壤全盐含量之间的关系。
The relation between the wilting point with the soil physics characters as clay content, organic matter content and the salt content have been studied based on the experiments in field.
土壤的质地类型、含盐量、有机质含量等是决定土壤粒径分布分形维数的主要因子。
Texture type, salt content, organic matter content, etc. are the major factors determining the fractal dimension of soil particle-size distribution.
在湿地土壤养分中，有机质、全钾对潜在土壤效益的贡献率大，而全氮、全磷的贡献率最低。
Contribution rate of the organic matter and kalium upon latent soil benefit was the biggest, and total phosphorus 'was the least.
土壤颗粒组成、容重、有机质、孔隙率影响土壤持水性能。
Then, the bulk density, porosity, the type of pore, particle constitute and organic carbon in the soil affected the soil moisture diffusivity.
田间试验结果表明，影响大豆孢囊线虫病发生程度的主要因素是土壤有机质、茬口、土壤含水量等。
The result of field test shows that the main factors which affect the degree of SCN are organic matter, crops rotation and soil humidity etc.
探讨了在田间及实验室条件下的土壤的有机质含量与土壤水分蒸发的关系。
This paper studies the relationship between content of organic matter and water evaporation in black soil under the condition of field and laboratory.
结果表明，土壤有机质、土壤温度和农药浓度对阿维菌素的降解有较大影响，这可能和土壤微生物有关。
The result shows that soil organic matter, soil temperature and pesticide concentration can obviously affect Abamectin degradation, maybe which contributes to microorganism in soil.
结果表明：用有机物料培肥土壤时，可以提高土壤有机质和重组有机质的含量，改善土壤的农化性质。
The results showed that the contents of organic matters in soil and heavy fraction were markedly increased and the agrochemical properties of Chernozem were improved by applying organic materials.
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