The mineral elements from the soil that are usable by the plant must be dissolved in the soil solution before they can be taken into the root.
土壤中对植物有用的矿物质元素必须先溶解在土壤溶液中，然后才能被根吸收。
Soil conductivity represents the conductive capability of soil solution in digital form, reflecting the state of water and salt in the soil.
而土壤电导率是以数字形式表示土壤溶液的导电能力，反映了土壤的水盐状况。
Soluble P was mainly distributed in soil solution and less in the water layer.
肥施入土壤后，水溶性P主要存在于土壤溶液中，而分布于水层中的P相对较少。
Salinity refers to the total concentration of salts present in the soil solution.
含盐量是指土壤溶液中所存在的盐类的总浓度。
The invention discloses an in-situ multipoint collecting device and a method of a suction-adjustable soil solution.
本发明公开了一种吸力可调式土壤溶液原位多点采集装置及方法。
In simulated soil solution, electrochemical reactions are easiest to take place, so the corrosion rate is the highest.
在模拟溶液中，电化学反应非常容易进行，腐蚀速率很高。
The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated.
试验研究了X70管线钢在模拟土壤介质中，循环载荷下的裂纹扩展特性和宏观规律。
Effects of acidity on copper speciation in soil solution and relations of copper forms with ryegrass growth and copper uptake were studied.
研究了酸度对土壤溶液中铜形态的影响以及不同形态铜与黑麦草吸收及其生长的关系。
Agricultural non-point pollution is formed by 4 processes of rainfall runoff, soil erosion, surface solution stripping and soil solution seepage.
农业非点源污染主要由降雨径流、土壤侵蚀、地表溶质溶出和土壤溶质渗漏4个过程形成。
The change of soluble and ionic heavy metal concentration in soil solution showed that, the activity and plant availability of heavy metals was higher than that of the check.
有机络合剂使得土壤溶液中可溶性与离子态重金属的浓度改变，反映了其活性与可利用性较对照不同。
A small volume of fluoride solution was added into soil solution, then the fluoride electrode procedure Was used to characterize inorganic monomeric aluminum species in the solution.
向土壤溶液中加入一已知量的氟标准溶液，再用氟离子电极测定和区分溶液中无机单核铝的形态。
The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated. The macroscopical rules of the crack propagation are analyzed as well.
试验研究了X70管线钢在模拟土壤介质中，循环载荷下的裂纹扩展特性和宏观规律。
The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated. The macroscopical rules of the crack propagation are analyzed as well.
试验研究了X70管线钢在模拟土壤介质中，循环载荷下的裂纹扩展特性和宏观规律。
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