But alfalfa ground soil PH value were higher than cotton ground.
但是苜蓿地土壤ph值比棉花连作地的高。
Compost will also help neutralize soil pH and add nutrients at the same time.
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。
The availability of exogenous lanthanum and its effect on soil pH in red soil were studied.
通过培养试验及盆栽试验研究了外源镧在红壤中的有效性及其对土壤酸度的影响。
As micro nutrient availability depends mainly on the soil pH you can hardly find a situation in which ALL micronutrients are not available.
如果微量营养素的获得主要依赖土壤PH值，这种情况你几乎找不到可利用的所有微量营养素。
Upward along the slope, soil pH value, organic matter content, total porosity and capillary porosity increase, and soil bulk density decreases.
土壤容重沿坡面向上减小可能主要与土壤有机质含量、粘粒含量、结构状况和松紧度以及孔隙度状况等有关。
A drop in pH on the level identified in the study could have some very harmful effects. Acidic soil is paradise for nematodes, parasitic roundworms that destroy crops.
在这项研究中表明PH值的下降可以导致很多非常严重的后果，酸化土壤是那些毁坏作物的线虫和寄生蛔虫的天堂。
Though it is di? Cult to grow trees in the saline-alkali soil, the ground cover and wetland vegetation are rich and vary in response to subtle changes in the water table and PH values.
尽管难以在盐碱地里栽种树木，但覆盖地表和湿地的植被异常丰富，随着地下水位和PH值的细微变化而呈现不同的形态。
The rule of salinity accumulating, ion constitution and pH in calcareous soil area greenhouse are opened out.
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 pH of soil in parks and streets are higher than in natural or agricultural soils.
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；
Studies were made of variation of pH, P, K, organic matter, and moisture in soil samples from different sites of north Shanxi.
对取自山西省北部不同地点、不同层次的土样的p H值、磷、钾、有机质、水含量的变化进行了研究。
Sowing rate was then decided by integrating the effects of different soil water and salt contents, pH, temperature and sowing style on seedling emergence rate with relative weight method.
在此基础上，应用相对权重法计算土壤含水量、含盐量以及整地质量和播种方式等多个生态环境因子对出苗率的综合影响，进而确定播种量。
The extent of reduction of soil respiration depended on the characteristics of soil and the pH of acid rain.
酸雨对土壤呼吸作用抑制的程度与土壤特性及雨水酸度有关。
When acid rain falls on forest floors, it changes the ingredients - the 'PH level' - of the soil.
酸雨对森林地表层的土壤来说，它改变了原来的pH值'。
Temperature, humidity, light, CO_2, and PH of soil are the most essential factors in the growth environment of the crop.
就农作物的生长环境而言，温度、湿度、光照、CO_2、土壤PH值等是其最基本的因子。
The PH value of soil is neutral in Changchun Normal University, but the difference in various places is not obvious.
从整体来看土壤的pH值呈中性，各样点差别并不明显。
Physical analyses of soil cores revealed that significant variations in soil temperature and pH occurred at geothermal soil sites in Yellowstone National Park.
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。
Before the disposal, make preparatory treatment of the soil to ensure the water content, maximum particle diameter, pH value, clay content of the soil are suitable for the following disposal.
在处理之前，先要将土壤进行预处理，使得土壤的含水率、土壤最大颗粒直径、pH值、粘土含量等适宜于之后的处理。
Analyzing the organic matter, Nitrogen, Phosphorus, Fast working Kalium, Fast working Phosphorous, total salt quantity and ph value of the main type of soil in Linze county.
对临泽县主要土壤类型的有机质、全氮、全磷、速效钾、速效磷、全盐量、ph值进行了化验分析。
Results indicate that much of the active Al would be released from soil if the soil is leached by acid rain with pH value lower than 4.
采用室内动态淋溶方法研究了模拟酸两对浙江省主要酸性土壤活性铝释出的影响。
Organisms with ph optima for growth in alkaline range are defined as alkalophilic microorganisms. which are mainly distributed in natural soda lake. alkaline desert and soil.
碱性环境最适生长的微生物称为嗜碱微生物，这些微生物主要分布在天然碱湖、碱性沙漠和土壤中。
Results showed that there were no significant differences in soil total organic carbon, soil moisture content, pH and soil microbial biomass phosphorus in each soil layer between the two plantations.
结果表明，在各个土层中，两种林分下的土壤含水量、pH值、有机碳的含量以及微生物生物量磷均无显著差异。
The pH of soil is indirect effects of soil selenium content by regulating the water soluble selenium in the soil, exchangeable and acid soluble content of the percentage.
土壤PH值主要通过调节土壤中硒的水溶态、交换态和酸溶态含量百分比，间接影响土壤中硒的含量。
The nursery regularly (3-5 years) measured in the soil improved soil properties, soil water control, fertilizer and the pH value changes, provide the basis for scientific fertilization.
苗圃要定期(3 -5年一次)在土壤改良后测定土壤理化性质，掌握土壤的水、肥和pH值的变化情况，为科学施肥提供依据。
Soil should also be tested for its pH level, a measure of the acid and alkaline balance.
土壤的PH 值也应该测量一下， PH水平是反映酸碱平衡的量度。
Soil should also be tested for its pH level, a measure of the acid and alkaline balance.
土壤的PH 值也应该测量一下， PH水平是反映酸碱平衡的量度。
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