For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.
例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。
Itimproved the quantity of all kinds of micro-biology in soil as wellas the number of organism material and its richness.
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。
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。
Special water and soil conservation areas, water source, water quality, water quantity protected areas, and important reservoir water collecting areas shall be avoided.
避免位于特定水土保持区、水源、水质、水量保护区或重要水库集水区范围内。
Because of complicated function of natural and artificial factors, the quality and quantity of black soil decreased and degenerated heavily.
由于自然和人为因素的共同作用，黑土的质量发生了严重的退化，数量也急剧减少。
The composition, distribution and quantity of soil microorganisms might be influenced by landform, existence of biological soil crust and organic matter contents.
土壤微生物的数量变化特征与生物结皮的类型、分布以及土壤有机质含量等因子有一定相关性。
The microbial quantity and enzyme activities of soil can reflect the fertility of the soil.
土壤微生物数量、土壤酶活性可以反映土壤的肥力状况。
The dynamics of microbial variety and quantity were comparatively studied in the original soil with that in the gut-contents of earthworms and the casts.
本文研究了原来土壤、蚯蚓消化道内含物和蚯蚓粪便中微生物种类，数量的动态变化；
In this paper the distribution, quantity and composition of the microbiological flora and the biochemical activities of the forest soil in coastal beach of Hepu were studied.
本文对合浦滨海和海滩森林土壤微生物区系的分布、数量、组成及生化活性进行了研究。
Straw mulching improved the quantity of soil microbe and activity of soil microbe.
秸秆覆盖增加了梨园土壤微生物的数量，增强土壤微生物活性。
The forest soil's type was extremely complex, the shape and quantity of available nutrient had a distinct difference in different soil.
森林土壤类型极其复杂，不同土壤中各种有效养分形态和数量差异很大。
The content of organic matter was added in soil after fertilization, so the soil microbiological quantity was added, especially the quantity of bacteria was obviously added.
施肥增加了土壤中的有机质含量，使土壤微生物的数量增加，尤其是细菌数量增加的最为明显。
The results indicated that plant growth and species influence not only the quantity of N2O emission from soil, but also the relationship between N2O emission from soil and air temperature.
由此可见，植物生长和植物类型不仅影响土壤n2o排放的数量，也影响土壤n2o排放与温度之间关系。
The study on the residual quantity of methamidophos in the soil of rice-duck complex ecosystem of wetland.
甲胺磷在稻-鸭复合系统土壤中残留量的研究。
Special water and soil conservation areas, water source, water quality, water quantity protected areas, and important reservoir water collecting areas shall be avoided.
免位于特定水土保持区、源、质、量保护区或重要水库集水区范围内。
The soil oribatid group formation and quantity distribution are obviously different.
三个采样点土壤甲螨群落的组成和数量分布均有明显不同。
The quantity of crop nutrients transferred from the system, and the nutrient budget of N, P and K in soil were studied.
研究了在养分循环再利用的基础上采取不同施肥制度下作物养分移出量，并结合施肥量计算出土壤中N、P、K养分收支。
Q/I Characteristics of potassium are important indices to indicate soil potassium status, and can measure both the intensity and quantity of soil K at the same time.
钾素Q/I特性是表征土壤钾素状况的一个重要指标，它能同时度量土壤钾素的强度和容量。
Together with the soil layer's deepening, the quantities of the three major microbes are reducing, appearing a tendency of deeper soil layer, lower quantity of microbes.
随着土层加深，三大类微生物数量减少，呈现自上而下逐渐减少的趋势。
The released quantity of residual phosphate was opositively related to the content of clay and residual phosphate in soil, and the concentration of lignin in the extracting solution.
木质素用量越大，土壤粘粒越多，残余磷含量越高，木质素释放残余磷的数量越多。
Moreover, the prediction equations for the soil loss quantity on side slope with different vegetation during the construction of the express were got.
通过回归分析得到高速公路建设过程中不同植物配置坡面的土壤流失量预测方程。
The research content included the slope-directive variation of soil bio-accumulations properties and related nutrient status, base cation leaching, the quantity of microorganism etc.
研究内容主要包括土壤生物积累及相关养分状况、盐基淋溶作用和微生物数量等方面的坡向性分异，并探讨其对山地土壤资源开发利用和生态环境建设的意义。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
The microbial quantity of soil of tea garden and tea output have positive correlation relations.
茶园土壤微生物数量与茶叶产量具有正相关关系。
The influence of pollution removal efficiency and mechanism analyses if adjusting soil depth, the quantity of EM, hydraulic loading period.
土层厚度、EM投加量、水力负荷周期对污染物去除效果的影响及机理分析。
The multi-level structure of erosion, transportation and accumulation in a slope system and its space scale effect are very important for the soil erosion quantity evaluation.
分析了土壤侵蚀中的侵蚀、搬运、堆积的层次结构及所表现的空间尺度效应的形式、产生的机制和原因。
In recent years, the ecological environment of the abandoned pit land in mines has aroused wide attention while the quantity and varieties of the soil animals (haven't) received due attention.
近年来，关于矿山采坑废弃土地的生态环境受到了广泛的关注，而其中土壤动物的种类和数量问题却没有得到应有的重视。
In recent years, the ecological environment of the abandoned pit land in mines has aroused wide attention while the quantity and varieties of the soil animals (haven't) received due attention.
近年来，关于矿山采坑废弃土地的生态环境受到了广泛的关注，而其中土壤动物的种类和数量问题却没有得到应有的重视。
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