淋溶作用

然而，黄土高原中部大多数剖面由于沉积速率较低（特别是S1地层），加上后期强烈的成壤作用和淋溶作用可能影响其气候记录。

But , low sedimentary rate in many profiles , especially in S1 , and following strong pedogenesis and eluviation would have effect on those climate records .

有机质缺乏，养分含量低，阳离子代换量小，淋溶作用弱，碳酸钙含量高，剖面发育差，土壤质地粗是试区土壤的共同特征。

Their common characters are scarce of organic matter , low content of nutrient , little CEC , weak eluviation , high content of calcium carbonate , profile developed a little and coarse soil texture .

在雨水的淋溶作用下，土壤各层的Cd含量差别不大，且均高于淋溶前各自土壤Cd的含量。

Leaching in the rain , the soil Cd content of each layer have no significant difference , and are higher than their respective soil before leaching .

运用质量平衡原理，以Ti为非移动元素探讨元素的迁移，发现元素淋溶作用在土壤发育初期最强烈。

By the mass balance method to element migration was discussed with Ti as immobile element . The results show that elements leach most extremely in weakly developed soils .

而旱地土壤由于淋溶作用微弱，锰仅在第二层（20-40cm）富集。

But in profiles of dryland soil , Mn leaching was much weak and Mn only accumulated in the second layer ( 20-40cm ) .

多效唑在土壤中降解、吸附和淋溶作用

Study on degradation , adsorption and leaching of Paclobutrazol in soils

文中最后对控制淋溶作用的主要因素进行了初步总结。

In the end the main controlling factors are concluded .

泥岩基质和砂岩的风化是由于粘性土的分解和淋溶作用形成的。

The clay matrix and sandstones weather by breakdown and eluviations of clay .

第二代杉木幼林中降雨对养分的淋溶作用

A study on nutrient leaching in the secondary generation young Chinese Fir Plantation

积雪淋溶作用对冰川雪层内主要阴、阳离子记录的影响

The Ion Elution Effect on the Main Ion Profiles of the Glacier Snowpacks

淋溶作用当降雨量超过蒸发量时，土壤中溶解或悬浮物的向侧面或向下的运动。

The lateral or downward movement of dissolved or suspended material within soil when rainfall exceeds evaporation .

淹水条件下土壤硒迁移行为的研究Ⅰ.还原淋溶作用下土壤硒的溶液迁移

Transport Behavior of Selenium in Soil Under Waterlogging ⅰ . Selenium Transport in Soil Solution under Reductive Leaching

影响裂缝发育的主要因素是构造、物理风化和化学淋溶作用。

The main factors influenced fractures development are the tectogenesis , the physical weathering and the chemical dissolution .

当硫铵、尿素与绿麦隆同时施入土壤，随着氮肥浓度的增加，绿麦隆的淋溶作用降低。

Ammonium sulfate and urea reduced chlorotoluron leaching losses of chlorotoluron when fertilizers and chlorotoluron were applied into soil .

无定形铜含量有随风化淋溶作用增强而降低的趋势。

However , the content of amorphous Cu tends to be decreased with the intensification of weathering and eluviation proceses .

此外，对降雨和淋溶作用对林地养分物质输入的贡献也进行了分析和讨论。

The contributions to the nutrient input of the stands of the rainfall and the leaching from the trees were also discussed .

对灌草层和枯落物层吸附淋溶作用研究较少，也就不能正确评价森林植被对降水水化学的综合效应。

The insufficient works on the layers of shrub-grass and litter can not make us to understand the synthetical effects of the forest vegetation on rainwater chemistry .

养分淋溶作用较弱，两大景观带（绿洲、过渡带）土壤养分变异主要集中于受人类活动影响较大的0-40cm处。

Leaching of nutrients weaker , with two landscape ( Oasis , the transitional zone ) variation of soil nutrients mainly in the larger impact of human activities , 0-40 cm .

种植玉米时土壤水分和硝态氮由于作物吸收而以向上运动为主，且被作物大量消耗，不会在土壤过量累积，可抑制淋溶作用发生。

When planting summer maize , soil moisture and nitrate-N mainly moved toward upper soil layers due to the crop transpiration and nutrient uptake , and nitrate-N residual in soil was largely decreased .

不同林型内积雪化学特征表现为原始红松林、云冷杉林及人工红松林由于冬季不落叶，吸附干沉降的能力较强，降雪的淋溶作用导致积雪中离子浓度较高。

The ions concentration in snow cover of the primitive Korean pine forest , the spruce-fir forest , and the manmade Korean pine forest are higher due to evergreen and strong adsorption capacity on dry deposition .

农药可由土壤表面挥发进入大气，也可被作物吸收进而在农作物体内积累，同时还可受淋溶作用进入地下水，或经径流进入地表水体。

Pesticides can volatilize into the atmosphere from the surface soil ; They can be absorbed by crops and accumulate in the plants ; They can also move into groundwater by the means of eluviation or move into surface waters with runoff .

研究内容主要包括土壤生物积累及相关养分状况、盐基淋溶作用和微生物数量等方面的坡向性分异，并探讨其对山地土壤资源开发利用和生态环境建设的意义。

The research content included the slope-directive variation of soil bio-accumulations properties and related nutrient status , base cation leaching , the quantity of microorganism etc. , and discussed the meaning of the exploitation of the soil resources and the construction of the eco-environment .

研究表明：土壤含水量与产流时间（降雨开始至产生地表径流的时间）呈显著负相关，径流的产生与入渗速度主要受叶面积的影响，土壤容重对径流与淋溶作用影响不大；

The results show that the time of producing runoff is negatively related to soil moisture , the quantities of runoff and infiltration velocity are effected principally by leaf area , and the effect of soil buld density on runoff and leaching is not obvious .

矸石山通过长期的风化、降雨淋溶等作用，发生一系列的物理、化学变化，许多有害物质进入了环境中，对生态环境造成了严重的影响。

After long-term weathering and leaching of rainfall , the substances in coal gangue arises a series of physical and chemical transformation , many of which entered into the environment , and has caused serious effect on the ecological environment .

经过初步研究得到了一下几点结论：（1）Mg、Ca、Sr元素在土壤剖面中明显的淋溶和淀积作用反映了土壤剖面在淀积层（B层）基本没有受到外界的影响。

Then , we come up with the following conclusions : ( 1 ) The leaching and deposition of Mg , Ca , Sr in the soil profile clearly reflected that the deposition layer ( B layer ) has not been influenced on the whole .

污灌10d之内，由于淋溶和硝化作用产生的NO－2、NO－3会造成浅层地下水的严重污染。

During ten days of irrigation , NO - 2 and NO - 3 arisen from leaching and nitrification bring about serious pollution in the shallow groundwater .

蒸腾对淋溶等级的作用缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。

The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose .

模拟酸雨对福建四种山地土壤的淋溶与风化作用

Leaching and Weathering Effects of Simulated Acid Rain on Four Types of Mountain soils in fujin , China

结果表明，这类土壤存在有机酸的络合淋溶和淀积作用，表层泥炭积累明显。

The result shows that these soils have chelation , eluviation and illuviation of organic acids and the peats gather together obviously to the surface horizon .

渗滤液是指垃圾在堆放和填埋过程中由于垃圾中有机物质分解产生的水和垃圾中的水分、降雨以及入渗的地下水，通过淋溶、冲刷作用形成的污水。

Landfill leachate form the sewage as a result of water in decomposition of organic matter in waste water and water in garbage , rainfall and infiltration of groundwater by leaching , eroding in the the process of garbage dumps and landfill .