但土壤碱度对土壤内摩擦角的影响较小。
The soil ESP influence on soil internal frictional angle is small.
采用室内土柱淋洗试验方法，研究了污水灌溉条件下土壤碱度和石膏应用对土壤中重金属元素动态变化的影响。
Effects of soil sodicity and gypsum application on dynamical behavior of heavy metal elements under effluent irrigation were studied by means of soil column leaching method in laboratory.
公园和街道绿地的土壤酸碱度均高于自然土壤和农业土壤；
The pH of soil in parks and streets are higher than in natural or agricultural soils.
1999年，对上海浦东滩涂4类不同酸碱度土壤中的中型土壤动物进行了调查。
Soil mesofauna in 4 types of soil gradient in acidity was investigated in beach land of Eastern Shanghai in 1999.
堆肥，也有利于中和土壤酸碱度和补充养分，在同一时间举行。
Compost will also help neutralize soil pH and add nutrients at the same time.
它在土壤中能否积累取决于土壤肥力和土壤酸碱度。
Its accumulation depends on the acid value and fertility in it.
调查结果表明，由于地区间土壤种类、酸碱度、地势差异，上海稻田杂草的分布和危害有明显区域性。
The surveys showed that the weed distribution in rice fields in Shanghai was obviously various due to the differences of soil type, acid-base scale and terrain between areas.
通过室内土柱淋洗试验，研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。
Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.
揭示了石灰性土壤地区温室土壤盐分积累、离子组成及酸碱度变化规律。
The rule of salinity accumulating, ion constitution and pH in calcareous soil area greenhouse are opened out.
对土壤核心的物理分析显露在土壤温度和酸碱度上的重大变化在黄石公园发生了在地热土壤站点。
Physical analyses of soil cores revealed that significant variations in soil temperature and pH occurred at geothermal soil sites in Yellowstone National Park.
赤泥碱度高、产生量大，传统的处理方式将会对周边的水体、大气、土壤造成严重污染。
Due to high alkalinity, and great output, the traditional way of disposal will cause severe pollution to the waters, aerosphere and soil nearby.
本文着重于讨论下蜀黄土起源的水稻土在稻麦轮种下土壤酸碱度和氧化还原电位的变化。
This paper discussed the changeability of the pH and Eh values in paddy soils(originated from Xia-Shu loess)at rice-wheat(or rade) system.
本文着重于讨论下蜀黄土起源的水稻土在稻麦轮种下土壤酸碱度和氧化还原电位的变化。
This paper discussed the changeability of the pH and Eh values in paddy soils(originated from Xia-Shu loess)at rice-wheat(or rade) system.
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