土壤水分蒸发
- 网络soil water evaporation
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结果表明,该阶段内土壤水分蒸发量平均值为5.77mm,最大值与最小值分别为10.45mm和1.70mm,变异系数Cv为0.324,属于中等变异强度;
Results showed that the mean of soil water evaporation in this period was 5.77 mm , the maximum was 10.45 mm and the minimum was 1.70 mm , the coefficient of variation C_v was 0.324 ,( it 's ) belong to moderate variability ;
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研究结果表明,该吸水树脂能有效地减少土壤水分蒸发。
Results showed that IM-400 could reduce soil water evaporation markedly .
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春播建植草坪时采用地膜覆盖技术,能提高地温,减少土壤水分蒸发,加快草坪出苗速度,草坪出苗可提前2~5d。
The adoption of plastic-film mulching at sowing in spring for establishing lawn was effective in increasing soil temperature , keeping soil moisture and speeding up seedling emergence by 2 ~ 5 days .
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0.5mm~2mm枯落物覆盖下不同含水量的土壤水分蒸发比无覆盖的土壤减少7.95%~56.79%,枯落物层减少土壤水分蒸发的效应随枯落物层厚度和土壤含水量的增大而增加。
Under different levels of soil moisture , the soil water evaporation covered by litter with the thickness of 0.5cm ~ 2cm was less than 7.95 % ~ 56.79 % of the soil without litter covering .
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不同植被覆盖条件下土壤水分蒸发的比较
Comparison of soil moisture evaporation under different vegetation coverage conditions
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局部覆盖条件下干旱过程对土壤水分蒸发的影响
Influence of drought process on evaporation under partial mulching conditions
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不同粒径砾石覆盖对土壤水分蒸发的影响
Effect of Different Grain Size Gravel Covered on Soil Evaporation
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减少土壤水分蒸发速度,保持土壤墒情;
Decrease soil water evaporation to conserve soil moisture content ;
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复杂完善的植被结构对防止土壤水分蒸发具有较好的效果。
The vegetation with multiple structures had better effect on preventing soil evaporation .
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流动沙丘干沙层厚度对土壤水分蒸发的影响
Influence of dry sand bed thickness on soil moisture evaporation in mobile dune
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秸秆覆盖可有效减少棵间土壤水分蒸发;
Stalk mulch can efficiently reduce the evaporation of soil water among corn plants ;
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黑土有机质含量与土壤水分蒸发关系的研究
Studies on The relationship Between Content of Organic Matter and Water Evaporation of Black Soil
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土壤水分蒸发与吹风的关系
Relation between Soil Evaporation and Winding
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在土壤水分蒸发前期阶段,保水剂粒径小则抑制蒸发效果好,而且保水剂用量越高则土壤水分稳定蒸发阶段时间长;
The smaller the particle size was , the better the evaporation was inhibited before soil water evaporation .
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秸秆和地膜覆盖具有良好的保水功能,可以有效地抑制土壤水分蒸发,四种秸秆覆盖处理的保墒效应随着秸秆覆盖量的增加而增大。
The effects of soil moisture conservation for four straw mulching quantities increased gradually with straw mulching quantity .
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不同有机覆盖物对土壤水分蒸发的影响地膜覆盖下土壤有机质的分解与积累
Effect of Different Organic Mulches to Soil Water Evaporation The Decomposition and Accumulation of Soil Organic Matter under Film Mulching
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该膜抑制土壤水分蒸发,利于吸收较多的太阳能,从而改善土壤中的热状况。
The formed membrane improved heat energy status of the soil by restraining soil water to evaporate and absorbing more solar energy .
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紧实土壤水分蒸发的速率及蒸发持续的时间均大于疏松土壤,因此水分的损失量大。
Water evaporation rate and evaporation lasting time were more in compacted soil ; therefore , water loss amount was larger . 8 .
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本试验取得的主要结果有:(1)土壤水分蒸发受风速和秸秆覆盖量的影响显著。
The main results are as follows : ( 1 ) The wind speed and straw-mulching can make an obvious effect on soil water evaporation .
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在非他和含水量下,土壤水分蒸发强度与土壤有机质和容重呈抛物线状;
Under the condition of unsaturated capacity , the evaporation intensity of soil water has parabola in evaporation with the content of soil organic matter and bulk density .
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结果表明:在干旱少雨,蒸发量大,气候冷凉的定西地区,实行地膜和秸秆覆盖加滴灌的农技措施,能有效减少土壤水分蒸发,增加作物生长需要的有效积温;
The results showed that the agronomy techniques with mulching and drip irrigation could reduce the water evaporation and increase the temperature that the crop need in semi arid area .
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植物蒸腾和土壤水分蒸发耗水量与气象因素有着直接的关系。
To solve this problem , a better approach is to supple irrigation without delay ( 4 ) Plant transpiration and soil water evaporation has a direct relationship with meteorological factors .
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本文通过室内和田间试验研究对土壤水分蒸发,肥料氮素挥发转化及谷苗生长和氮素吸收的水热耦合效应及其定量关系和能量特征进行了系统探讨。
The interaction , quantitative relation and character of energy that moisture vaporize from soil , nitrogen fertilizers transform , crop grows and crop absorbs nitrogen are discussed systematically in this paper through lab and field trial .
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5在林带间作小南瓜系统中,近林侧由于小南瓜生育后期瓜蔓覆盖地面减少了土壤水分蒸发,这有利于林木的生长,尤其在干旱年份,可以起到缓解林带树木的水分胁迫作用;
In the system of intercropping with cushaw , near the forest belt , the soil water content was higher for the shade of cushaw leaves , it was good for the growth of forest , especially in the drought years .
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目前,随着水资源短缺的形势日益严峻,在有限降雨量的情况下,如何减少土壤水分蒸发、收集空气当中的水分,已成为缓解干旱、半干旱地域水资源紧缺的重要办法。
At present , water shortages as the increasingly serious situation , In the case of limited water resources , Control soil water evaporation and collecting the water in atmosphere have become an important path to release the pressure of water shortage in arid region .
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起垄覆膜沟内种植作物是干旱地区目前发展的种植模式之一,具有减少土壤水分蒸发、保墒、提高作物水分利用效率的作用,从而能使作物达到优产优质的效果。
Ridging covered the planting of crops in the ditch is currently one of the planting patterns in dry regions . It can reduce soil moisture evaporation , keep moisture , improve the effect of crop water use efficiency , so the crops can achieve optimal product quality .
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采用旱棚人工控水,蒸发桶整体称重法,对4种地面覆盖材料、50%覆盖度条件下,土壤水分蒸发与移动性能进行了研究。
Based on nature evaporation experimentation with artificial controlled precipitation , the evaporation and availability of soil water to plant under 50 % cover rate conditions with four types of mulch materials , including plastic film , water permeable plastic film , hay and sponge plastic sheet , were studied .
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冬季累积于结冻层中的盐分这时随着土壤水分的蒸发在土壤表层积聚,使含盐量急剧增加,盐分主要集中于0~10cm的土层中。
Quietly accumulated in the freezing winter , the salt layer , and then with the evaporation of soil moisture accumulation on the soil surface , so that a sharp increase in salt content , salt mainly in 0 ~ 10cm of soil .
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紧实胁迫条件下土壤水分的蒸发及数学模拟
Soil water evaporation and its maths simulation under compaction stress condition
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不同湿度条件下土壤水分的蒸发性能和移动规律
Evaporation and movement of soil water under different soil moisture condition