The sand storm would not happen if the soil water content was more than 7%.
实验表明当土壤含水量高于7%时,任何土壤都不会产生沙尘暴。
The soil water content when fruit began wilting in water-collecting garden in loess hills area was about 6 percent.
黄土区集水枣园果实开始萎蔫时的土壤水分含量在6 %左右。
The soil water content is largest near emitter, but it reduces in all directions little by little away from emitter.
紧靠滴头的土壤含水量最高 ,随着离滴头在各个方向上距离的增加 ,土壤含水量逐渐减小。
It was figured out that the soil water content and plant biomass were the key factors to affect the soil organic carbon content.
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。
Soil water extracted by tree roots can cause significant decrease of the soil water content and eventually lead to ground settlement.
树木根系吸水引起土壤含水率显著降低,从而导致胀缩性地基沉陷。
The dynamic relationship between the biomass of switchgrass and the soil water content in arid and semiarid area was investigated in this paper.
通过在黄土高原半干旱地区种植柳枝稷,构建生物量与土壤水分的动力学关系模型。
It was investigated that the soil water content and winter wheat yield affected by the means of BP anti drought reagent, plastic film mulch or organic fertilizer.
主要探讨了BP保水剂、地膜覆盖和有机肥等丰产措施对山坡地土壤水分含量及冬小麦产量的影响。
The eco-tone between oasis and desert is a important zone for vegetation restoration. The key for vegetation restoration is to know the soil water content of dune.
绿洲-漠交错带是植被恢复的一个重要区域,而植被恢复的关键又是了解沙丘土壤水分的变化规律。
The paper probes into the methods of calculating the potential evapouration, and chooses the appropriate method to calculate the soil water content and potential water evapouration.
本文在探讨潜在蒸散量计算方法的基础上,求出孟津县农田潜在蒸散量和土壤含水量;
The result shows that the soil water content and evaporation amount of forest land has relations with winter rainfall, the forest growing state has relations with soil moisture state.
结果表明,林地的土壤含水量和蒸散量与冬季降水量相关,林木生长状况与土壤水分状况相关。
Based on the field experiment, the effects of cultivation technique of water collection by mulching upon the soil water content, yield of flue-cured tobacco field and WUE were studied.
采用田间试验研究了覆盖集水栽培措施对烟田土壤含水量、烤烟产量及水分利用效率的影响。
The relationship between the soil water content from the jointing of wheat to the heading and Numbers of grains of every ear of wheat is the closest in the dry farming regions of the Loess Plateau.
在黄土高原旱作区,小麦拔节至抽穗期土壤贮水量与穗粒数,灌浆至乳熟期土壤贮水量与穗粒重的关系最为密切。
The first is to measure the water content of soil across the planet every three days to a depth of up to 2m.
第一是每三天测量一次全球深至2米处土壤中的水含量。
Compared with conventional tillage method, the mulch tillage practice increased soil water content.
与常规耕作方式相比,随着秸秆覆盖量增加,土壤水分增加。
The desalting efficiency of saline water decreased with increasing amount of leaching water and the concentration of saline water, but was independent of initial soil water content.
水分的脱盐效率随淋洗水量和入渗水矿化度的增加而减小,与土壤初始含水量无关。
Build the correlation between soil water content and topography of intertidal flat through statistics , and simulate the topography of intertidal flat in dafeng.
通过统计方法,建立出露潮滩土壤水分与实测潮滩地形的相关关系,并对大丰港堤附近潮滩地形进行了反演。
They must find the right combination of soil mix, water content and drying methods.
他们必须找到正确的土的混合物和正确的含水量以及正确的干燥方法。
Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.
秸秆覆盖还田促进土壤团粒结构形成,提高了土壤水稳性团聚体含量,从而改善了土壤通透性和保水保肥性。
The impacts of climate on potential evapotranspiration and soil water content under 2080's climatic condition were simulated with the model.
还利用建立的模型,模拟了2080年的气候条件变化对潜在蒸散量和土壤水分含量的影响。
The results showed that the content of chlorophyll and photosynthetic rate were decreased with soil water decreasing.
结果表明:光合速率和叶绿素含量均随土壤水分的减少而呈下降趋势。
Soil moisture curve is elementary curve that shows the relation between potential energy and the content of water soil and analyses retaining and transporting in soil water belt.
土壤水分特征曲线是表征土壤中水的含量与势能之间的关系,是研究包气带土壤水分的保持和运移所用到的基本特性曲线。
Experimental study was performed to determine the moderate water deficit effect and physiological irrigation index of tobacco with lysimeters by controlling the lower limit of soil water content.
为确定烟草的适度亏水效应及烟草水分生理灌溉指标,进行了烟草蒸渗仪试验,通过控制土壤水分下限研究烟草的适度亏水效应。
Rainfall made soil increase more water if the initial soil water content lower.
土壤初始含水量越低,降雨使土壤水分含量增量越大。
The surface soil water content was close with different mineralization degree levels water, which approached saturated water content.
不同矿化度的水入渗后,土壤表层含水率基本相近,接近饱和含水率。
According to the feature of gravel-soil, the water content of sample is controlled by granule soil content and sampled under the same vertical pressure.
结合碎石土的特点,采用细粒土含量控制试样的含水量,在同一竖向压力下制样。
The accuracy of soil water content measured by TDR depends on two key factors: soil dielectric constant and the calibration model of soil volumetric water content vs. dielectric constant.
时域反射仪测定土壤体积含水量的准确度取决于两个关键因素:土壤介电常数的测定准确度以及土壤含水量和介电常数之间的关系模型。
The accuracy of soil water content measured by TDR depends on two key factors: soil dielectric constant and the calibration model of soil volumetric water content vs. dielectric constant.
时域反射仪测定土壤体积含水量的准确度取决于两个关键因素:土壤介电常数的测定准确度以及土壤含水量和介电常数之间的关系模型。
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