土壤粘粒含量和粘土矿物组成是决定土壤固定态铵含量及最大固铵容量的两个主要因素。
The clay content and clay composition of the tested soils are the two important factors influencing their fixed ammonium content and maximum capacity of ammonium fixation.
结果表明，风沙土钾素含量较低，土壤速效钾含量及被土壤固定的钾量均随着施钾量的提高而增加。
The result shows that the content of slow-release potassium and available potassium is low. Theamount of available potassium and fixed potassium increase with increasing amount of applied potash.
相反，草和其他小植物的根可能有助于把松散的土壤碎片固定在一起，从而助于防止风的侵蚀。
In contrast, the roots of grasses and other small plants may help to hold loose soil fragments together, thereby helping to prevent erosion by the wind.
腐殖酸对土壤钾素释放和固定的影响是通过对含钾矿物的溶解和层间堵塞以及对钾素的吸附作用实现的。
The effect of humic acids on fixation and release of potassium in soil was accomplished by dissolving K-bearing minerals or blocking interlayers and adsorbing k.
培养过程中，水分和温度的有利条件促进了土壤微生物的活动，加强了微生物对无机磷的固定。
In the incubation process, the advantageous moisture content and the temperature condition promoted soil microorganism's activity, and strengthened inorganic phosphorus fixation by microorganisms.
铵的矿物固定和吸附是土壤氮素循环中的重要环节。
The fixation and adsorption of ammonium are important parts of nitrogen recycle in soils.
树木固定土壤，防止侵蚀，从而保持地里的水分。
Trees keep moisture in the ground by holding the soil in place to protect erosion.
进行埋地管道及其固定墩受力情况分析时，必须考虑土壤对它们的作用力。
When analyzing the forces on the buried piping and the fixed anchorages, the soil's effect has to be considered.
在沙漠利用污水灌溉速生林，可固定沙丘，改良土壤；改善生态环境，实现污水零排放。
That fast - growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river.
当土壤经过干湿以后，土壤会发生明显的固定钾作用，土壤含钾量越高，固定钾能力越强。
The soil potassium fixation was increased after dry and humid alternation. Soil with higher potassium content had a higher fixation ability.
说明控制化肥中适当的水溶磷比例，可以减少土壤对磷的固定，提高施肥效果。
It was shown that if the proportion of water soluble phosphate was controlled properly, the fixation of phosphate in soil would be decreased, and the effect of fertilization would be improved.
对土壤微量元素，老化的腐殖质有固定作用，新生的活性腐殖质有促进活性作用。
For soil trace element, the ageing humus had fixed effect. The nascent active humus had effect to promote the activity.
林木根系生长能在一定程度上降低土壤磷的固定作用，因此土壤磷的固定量和固定率从小到大依次为根际土、根区土、非根区土。
Root growth in soil can decrease phosphorus immobilization, as both the immobilization amount and its rate appear low in rhizosphere and high in unrooted bulk soil.
素质教育不同于应试教育，没有固定划一的模式和体系，其实施需要一种环境、一种氛围和一片土壤。
The quality education is different from the test-guided education in that it doesn't have a fixed mode or system.
结果表明：腐殖酸的施用可抑制土壤汞向植株迁移，对土壤汞的最大固定率超过90 % ；
The results indicated that humus application inhibited soil Hg to shift to the plants, Hg fixation rate by the humus being over 90%.
有机质不仅直接丰富了高产农田的磷库，而且通过提高磷酸化酶的活性，降低土壤磷的吸附、固定，促进解吸，增加了土壤磷的有效性。
This is because that organic matter enriched not only phosphorous in the high yield soil, but also increased soil phosphorous availability through decreasing absorption and fixation.
所以茶园土壤中的磷始终处于有固定又有释放，有释放又有固定的动态变化中。
So, the phosphorus in tea soil is situated in the condition of dynamic changes which include the form of fixation and release.
我国北方石灰性土壤对磷的固定作用是磷肥利用率低的主要原因。
The fixed function that calcareous soil to phosphorus in the northern part of China, is the main reason that utilization ratio is low.
改良剂能够抑制土壤中重金属的生物有效性，其中石灰的抑制作用最强，同时石灰还有固定红壤磷素的作用。
Modifier can inhibit the bioavailability of heavy metals in soil, in which the strongest inhibitory effect of lime, and lime have a fixed role of red phosphorus.
根系分泌物可通过溶解、螯合、还原等作用活化土壤重金属，提高重金属的植物有效性，或固定和钝化重金属，降低重金属的移动性。
Root exudates could activate heavy metals in soil, and enhance their bio-availability by dissolving, chelating, deoxidizing, decrease migration of heavy metals by fixating and inactivating.
固定态铵的含量不仅与土壤中的粘土矿物有关，施肥对其也有影响。
The content of mineral-fixed ammonium in soil was related not only to soil clay minerals but also to fertilization.
相应地，当一定的植被建立后，可对土壤物理特性的改良和土壤养分的固定、转化、储存产生积极意义，提高土壤的整体质量。
Accordingly, some established vegetation made positive sense to improve soil physical property, and fix, convert and store soil nutrient, and then improve soil integrated quality.
通常在厨房里我用它们来使麦片保持新鲜，在办公室则用来固定大摞的纸张，而在车库里我用它们来夹土壤和肥料的袋子，以免泄漏。
I use them regularly in the kitchen to keep the cereal fresh, in the office to hold large mounds of paper together and in the garage to keep various bags soil and fertilizer from spilling.
有机酸对土壤磷的固定有较大影响，其影响作用从大到小依次为腐殖酸、柠檬酸、酒石酸。
Organic acids have a great effect on phosphorus mobilization with humic acid stronger than simple organic acids.
本文围绕土壤固碳的基本问题，总结了农田土壤固碳潜力、土壤有机碳固定机制及其影响因素的国内外研究进展。
According to the previous researches over the world, the scientific progress was concluded, including the potential capacity and mechanism of soil carbon sequestration, influence factors as well.
不用担心，土壤用特殊方法固定，绝对不会掉下来。
The soil is locked and so you do not need to worry about any the soil accidentally dropping down.
不用担心，土壤用特殊方法固定，绝对不会掉下来。
The soil is locked and so you do not need to worry about any the soil accidentally dropping down.
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