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- soil salinization level 土壤盐渍化水平
- The groundwater level was an important reason for soil salinization its contribution was of 11.1%. 地下水水位过高是引起土壤盐渍化的重要原因,贡献率11.;1%25;
- There are natural red soil, rocky soil, coastal sand, swamp soil salinization, and so on. 自然土壤有赤红壤、石质土、滨海沙土、盐渍沼泽土等。
- Abstract : The increasing soil salinization limited the growth of plant, resulted in the yield and quality decline. 摘要 : 日益严重的土壤盐渍化抑制作物生长,使栽培作物产量和品质下降。
- The traditional method of forecasting soil salinization with developing rate is not precise. 传统上用发展速率的方法预测盐碱化是不严谨的。
- However, there are also some problems, such as the low soil fertility and secondary soil salinization. 但也面临着土壤肥力低、次生盐渍化威胁大等问题。
- The results showed that irrigation and unit potash fertilizer input have significant impact on soil salinization. 单位耕地上灌溉面积越多,耕地发生盐渍化的概率也越高;
- Soil salinization damaged ecosystem seriously,so it is necessary to study the arid area salinization. 准确提取盐渍化信息对土壤盐渍化监测和研究盐渍化动态变化具有重要意义。
- The larger irrigation area and potash fertilizer input per unit has,the higher soil salinization probability will be. 同时单位面积上钾肥使用量越高,耕地发生盐渍化的概率也越高。
- We analyzed the main eco-environmental problems in this area, which are desertification, soil salinization, and vegetation degeneration. 分析了塔里木盆地生态环境的主要问题为沙漠化、土地盐渍化和植被退化。
- The damage of soil salinization to service function of soil eco-environment is severe but its economic loss is not assessed yet. 全省重度盐渍化土壤对生态环境损害造成的经济损失至少达140亿元(1996年币值)。
- The study opens up new approaches to appraising and solving the problem of soil salinization in Xinjiang and other similar areas. 为新疆及其他类似地区评价与解决土壤盐渍化问题提供了新思路。
- Combining the result of prediction of salinization, some ways for the prevention and control of soil salinization are put forward. 结合土壤盐渍化的预测结果及其与地下水潜水埋深之间的关系曲线,提出了防治该区土壤盐渍化的对策。
- Soil salinization is mainly caused by water shortage. Therefore, soil salinization exists mainly in the regions lacking of water resources. 土壤盐渍化主要是由水资源短缺引起,所以,土壤盐渍化地区大多又是水资源缺乏的地区。
- Effect of Different Soil Salinity Levels and Application Rates of Nitrogen on the Growth of Cotton under Drip Irrigation 膜下滴灌条件下不同土壤盐度和施氮量对棉花生长的影响
- The results showed that the arid desert climate and soil accumulation salt were the main causes of soil salinization their contribution was of 69.3%. 结果表明:干旱荒漠化气候和土壤历史积留盐分是灌区内土壤盐渍化的主导因子,贡献率达69.;3%25;
- In this paper, the new detection technology of ion chromatography is applied for monitoring of the soil salinization first time. 摘要本文首次将离子色谱这一新的检测技术运用到土壤盐渍化监测中。
- According to the soil observation data,it analysed the present situation,developing trends and prevention way of soil salinization in the Honsibao Irrigation Area of Ningxia. 依据土壤详查资料,分析探讨了宁夏红寺堡灌区土壤盐化现状、发展趋势及防治途径。
- Multi-sensor and multi-temporal and multi-spectral and microwave remote sensing data has been widely used to detecting temporal and spatial changes of soil salinization. 多源、多时相、多光谱和微波遥感技术已被广泛用于监测土壤盐渍化的时空变化研究中。
- The soil salinization types were classified based on dissolved salt content in soil.The distribution of salinization in vertical section characteristics is discussed. 摘要根据流域土壤的易溶盐含量,划分平原区土壤盐渍化类型及程度,并说明其在水流方向与垂直剖面上的分布规律;