Urease activity falls with the soil depth.
脲酶活性随土壤深度加深而降低。
The mulching effect decreased with the increase of soil depth.
随土壤深度增加，覆盖的增温效果下降。
Among the soil Characteristics, soil depth is the most important.
最重要的土壤因子是土壤发生层厚度。
Strawberries grown in containers need a soil depth of about 25 to 30 centimeters.
若是种植盆栽草莓，则需要25-30厘米深装满泥土的容器。
In the same profile, organic matter content decreased with the increase of soil depth.
同一土壤剖面的有机质含量随着深度的增加而减少。
The soil nutrient in different rangeland stapes was gradually decreased with soil depth.
不同草地类型土壤养分含量的变化是随着土层加深而降低。
Nitrogen, potassium, phosphorus content with increasing soil depth is gradually reduced.
碱解氮、速效钾、速效磷含量随着土层深度的加深逐渐降低。
With the increase of soil depth, daily variation amplitude of soil temperature decreases.
随着土壤深度的增加，地温日变幅逐渐减小。
Ho old clay soil using a soil depth of the glue, it seems, the real art have to dig deep.
何老的泥塑用的是土层深处的胶土，看来，真正的艺术还得向深处挖掘。
Strawberries grown in containers need a soil depth of about twenty-five to thirty centimeters.
若种在容器里，需要有二十五到三十厘米厚的土壤。
Soil organic carbon under different cultivating systems decreased with soil depth in vertical direction.
生草垦殖模式降低果园土壤有机碳的水平分异，但促进果园土壤有机碳的垂直分异。
Different soil and different soil depth, soil containing water or moisture data is disciplinarian transform.
对于不同土质、不同的土层深度，土壤含水量都是呈规律变化的。
The distribution of momaximumst frozen soil depth is that the southern Bazhou to be shallower than the northern.
巴州平原地区冬季最大冻土深度南浅北深。
Soil available s content increased gradually with increase in soil depth, whereas total s content decreased stepwise.
随着土层加深，有效硫含量逐渐增加、全硫含量依次减少。
It's found that the major factors affecting the forest growth are temperature, stand age, precipitation and soil depth.
发现影响林分生长的主要因子是温度、降水量和土壤厚度。
Daily amplitude of soil temperature gradually decreased and the phase lagged more obviously with the increase of soil depth.
随深度增加，土壤温度日振幅逐渐减小，位相落后也愈加明显。
The stability of arching cave is analysised. and the relations of embedded soil depth and the ultimate arch span are presented.
推导出土中洞室的上覆土厚度及相应的最大跨径公式。
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。
Water flow on slope makes the soil depth uneven at different places, forms the polygenetic soil profiles, and exposes the buried soils by erosion.
坡面水流使坡地土壤厚薄不均，或形成异源剖面，并可使埋藏土壤因冲刷而出露。
With the annual maximum frozen soil depth data of China, analysis is made of the special distribution and decadal change during the recent 50 years.
利用我国年最大冻土深度数据集，分析了我国最大冻土深度的空间分布及年代际变化。
The influence factors for removal efficiency sorting by priority are hydraulic loading period, the appending quantity of EM rejuvenation, soil depth.
影响各污染物去除效果因素的主次为，水力负荷周期、EM投加量，土层厚度。
There are some main influence factors, which are the manners of improvement of foundation, soil layer structure, soft soil depth and embankment height.
影响软土路基侧向变形的主要因素有：地基处理型式、土层结构、软土厚度和路堤高度。
The ratio of damaged trees was negatively correlated with stand density, soil depth and size class of diameter, and positively correlated with tree height.
林分密度和受灾率及土层厚度和受害株数均呈显著的线性负相关；
The moisture rate of soil above drip tube is higher than which under the drip tube, in vertical soil moisture is related soil depth with a nonlinear function.
滴灌带以下的含水率高于滴灌带以上的含水率，垂直方向含水率的分布与土壤深度之间符合二次函数关系。
The relationship between soil temperature changed range and the soil depth were exponential and the relativity of them was influenced by the irrigation ration.
土壤温度变幅与土层深度成指数关系，且灌溉定额对土壤温度变幅与土层深度之间的相关性具有一定的影响。
These were tree age, stand density, resin tapping, rainfall, temperature, clay soil, stone soil, soil depth, water logging, and other diseases and insect pests.
它们是树龄、林分密度、割脂、降雨量、温度、粘性土、石砾土、土层瘠薄、积水、病虫危害。
As the radius distances and soil layer depth increased, water content of soil will be lessened, and the rate of level reducer decreased as the soil depth increased.
土壤含水量随土层深度和径向距离增大而递减，径向递减率随土层深度增大而减小。
However, the difference of soil moisture increase with the soil depth among 4 mulching materials. All mulching can decrease soil unit weight. And straw mulching has the most effects.
随着土壤深度增加，不同覆盖处理之间土壤水分含量差异增大。4种材料覆盖均有利于降低土壤容重，其中以秸秆效果最显著。
Set up mathematics models of soil organic carbon, taking soil carbon content as objective character, and soil water content, soil density, plant biomass and soil depth as effect factors.
可以认为土壤含水量和植物生物量是影响土壤有机碳含量的重要因素。
Large scale numeric calculation shows that the active limiting displacement is increasing with the depth of retained soil, and that the increment is zero when the soil depth reach some degree.
大量数值计算表明：主动极限位移随土层深度增加而增加，但到一定深度后其增量为零。
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