Plant uptake of a metal depends primarily on the free metal ion activity.
植物对金属的吸收主要取决于自由态离子活度。
This thesis investigated the migration of metal-complexes in soil column and plant uptake of soil Cu and Zn through use of vertical electrical field.
本文研究了在垂直电场条件下重金属络合物在土壤中的迁移过程以及植物吸收效应。
The major nitrogen transformation pathways in constructed wetlands include nitrification and denitrification of microbe, plant uptake and adsorption by substrate.
人工湿地氮转化途径主要包括微生物的硝化反硝化作用、植物的吸收和湿地基质的吸附等。
Potometer an apparatus for measuring the rate of water uptake by a cut shoot or whole plant.
蒸腾计：通过茎切段或整个植物体来测量水分吸收速率的仪器。
Concerns have grown over the negative effects of glyphosate applications on nutrient uptake in plants, crop vigor and yields, and plant diseases.
人们对草甘膦除草剂应用对于作物养分吸收、作物茁壮与产量，以及植物病害负面影响有更大的担心。
This same WHO report informs us that when glyphosate was applied 5 to 14 days before the harvest of cereals that this resulted in significant residue uptake in the grain and plant materials.
世界卫生组织的这同一个报告告诉我们，谷物收割前5到14天期间如果施用草甘膦的话，将造成谷粒与作物材料摄取显著残余量。
Mechanisms of phytoremediation are proposed to be uptake of organic chemicals by plant and effect of plant root secretion and microorganisms on the degradation of organic contamination.
植物修复的机理包括植物对有机污染物的直接吸收、植物根系分泌物、微生物对根际环境中有机污染物降解的促进作用。
Application of inorganic ion-selective microelectrodes in plant nutrition helps us understand the uptake, transportation, redistribution, and physiological functions of plant nutrients.
无机离子选择微电极的应用使人们更进一步了解植物营养元素的吸收、转运以及重新分配和生理功能。
When an appropriate amount of rare earth elements was applied, the uptake of nutrients by plant and their transformation and utilization were promoted.
适量的稀土元素能够促进植物对营养元素的吸收、转化和利用。
The effects of different fertilization stage on wheat yield, nitrogen uptake, utilization, residue, distribution and nitrogen balance were studied by potted plant experiment.
分析了不同施肥时期对砂质潮土小麦产量、氮素吸收与利用、土壤残留与氮素损失的影响。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
Chapter6 foliar fertilizers. Uptake of nutrients by plant leaves; the characteristics of foliar fertilizer; advantage of foliar fertilizers and notices.
第六章植物叶面营养与叶面肥植物叶片吸收养分的途径与特点；叶面营养的优点与不足；叶面施肥应注意的事项。
In plant roots AMT-type ammonium transporters have been demonstrated to mediate high-affinity ammonium uptake across the plasma membrane.
铵转运蛋白(AMT)介导的高亲和力铵跨膜运输是植物根系吸收铵态氮的主要途径。
Uptake and transport of aluminum, internal detoxification mechanism of aluminum and its impact on uptake of other nutrition in plant were discussed.
探讨了植物对铝的吸收与运输、对铝毒的内外适应机制以及铝与其它营养元素的关系。
Plant root water uptake is an important part of the research on water transforming patterns in SPAC.
植物根系吸水过程是SPAC系统中水分运移规律研究的重要内容。
Plant-fungus has evolved a symbiosis way called mycorrhiza to significantly increase plant Pi uptake ability from soil, and improve plant growth.
植物—真菌菌根共生可以显著提高植物吸收土壤中磷的能力，促进植物生长发育。
The results of 15N tracing showed that the fertilizer-N uptake in rice plant and grain of two varieties increased with the advance of growth stage.
示踪结果显示，两个品种水稻植株和籽粒吸收肥料氮，都随着生育期的推移而逐渐增加。
In soil-plant system, linear root water uptake model is a linkage between soil and plant.
在土壤-作物系统中，根系吸水模型是连接土壤和作物的桥梁，然而又是最难处理的一个环节。
The mechanism of nutrient uptake by soybean roots is only part of a more general problem on the subject involving all plant species.
大豆根系对养分的吸收机制只是所有作物吸收养分的最一般问题的一部分。
AM fungi enhances the uptake by plants of certain nutrients, promotes plant growth, improves plant tolerance to drought and toxicity of pollutants, defends plants against pathogens, and so on.
AM真菌能够提高植物对营养元素的吸收，促进植物生长，改善植物对干旱及毒性污染的耐受性，增强植物的抗病性等。
According to Darcy-theory and Dupuit-hypothesis, the roots of tree were approximately considered as an upside-down circular cone, and then plant root water uptake model was established.
该文根据达西定律和裘布衣假定，把树木根系近似看作为倒圆锥体，建立了树木根系吸水模型，并以油松为例对模型进行了验证。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
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