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- Soil salinity varied sharply in the zone, showing an obvious trend of alkalization. 垦区的土壤含盐变异强烈,碱化倾向明显;
- Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize. 通过室内盆栽模拟实验,研究了5种浓度的7%25草甘膦水剂对土壤盐化和碱化的影响。
- The results reveal that land desertification,steppe degeneration,secondary soil salinization or alkalization,soil erosion and air pollution in urban areas are the most serious entironment problems. 结果表明:土地沙漠化、草场退化、土壤次生盐碱化、水土流失及城市空气污染是该地区最为严重的环境问题。
- Saline alkal soil in northwest area 西北地区盐碱地
- Soil salinization and alkalization 土地盐碱化
- The Effect of Soil Salinity on Ions Distribution and Osmotic Adjustment of Elaeagnus Angustifolia L. 盐度对沙枣离子分布和渗透调节影响的研究。
- The pots soil salinity through sea ice melt-water irrigation increased from 0 294% into 0 907%. 经海冰融水灌溉的盆栽土壤盐分由0 2 94%25增加到 0 90 7%25。
- Central and southern light loamy soil with mild and moderate salinity tidal wave of soil salinization. 中部和南部为轻壤质轻度盐化潮土和中度盐化潮土。
- 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。
- The sandy Pinus sylvestris var.Mongolica plantation has no direct relation with soil salinity. 沙地樟子松人工林衰退与土壤盐分没有直接的关系。
- 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。
- 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;
- 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。
- Drought and soil salinity are the most important environmental factors that affects the normal growth of crop plants. 摘要乾旱和盐渍是影响植物生长和农作物产量的最重要的环境因子。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- 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。