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- 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。
- 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。
- 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;
- 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。
- Soil salinity, one of the major abiotic stresses reducing agricultural productivity, affects large terrestrial areas of the world. 摘要在各种环境胁迫中,盐胁迫是造成作物减产的严重环境因素之一。
- Because groundwater has long been overdrawn improperly in coastal area that caused serious land subsidence, seawater intrusion, and soil salinity. 但因为不当规划抽用导致地下水位持续下降,使得屏东沿海地区发生海水入侵、地层下陷及土壤盐化等灾害。
- It is high in soil salinity,underground water leve l and mineralization degree,which is unfavourable for sod growth in the new coas tal area of Tianjin. 天津滨海新区的土壤含盐量高、地下水位高、矿化度高,不利草坪生长。
- The accumulative salinity tends to decrease and reaches an equilibrium state after 10 years with soil salinity concentration 0.126% which is a kind of slightly salted soil. 微咸水灌溉后土壤盐分的积累随着时间的推移呈递减趋势,大约在10年后盐分达到进出平衡状态,平衡时土壤的含盐量(0.;126%25)仍属于轻度盐渍土;
- It is found that the soil salinity increases obviously in the definite deep zone when the salt concentration of irrigation water reaches the critical value. 研究发现灌溉水浓度达到某一临界值时,盐分将在土壤剖面一定深度的土层内聚集明显增大。
- And then have applied the soil being unlike saltness, have reached soil conductance increasing by with soil salinity contents but have been changed into big law. 然后应用不同含盐量的土壤,得出了土壤电导随土壤盐分含量的增加而变大的规律。
- There are a series of ecological factors including temperature, water, oxygen, light, soil acidity and alkalinity, soil salinity, chemicals, sowing depth, and biology which affecting seed germination. 摘要种子萌发受到外界一系列条件诸如温度、水分、氧气、光照、土壤酸碱、土壤盐分、化学物质、埋深和生物条件等生态因子影响。
- 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。
- 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;