Springs are drying up and soil salinity has increased.
泉水渐渐干涸，随之而来的是土壤含盐量越来越高。
Soil salinity is a major limiting factor to productivity of crops.
土壤盐渍化是限制农作物产量的主要因素之一。
Soil salinity is one of chief environmental factors that limit the crop yield potential.
土壤盐渍化是降低农作物产量的主要环境因素之一。
The soil electrical conductivity is considered as an important way in soil salinity research.
土壤电导测定是研究土壤含盐量的重要方面。
The soil salinity is an important problem to agriculture production and ecological environment.
土壤盐渍化是影响农业生产与生态环境的一个重要因素。
The main plant is crabgrass and tail millet (soil salinity representative of plants) and other grass.
主要植物是马唐和鼠尾粟(盐碱土壤的代表植物)等茅草。
Spatial feature of soil salinity in groundwater fluctuant region of the lower reaches of the Heihe River;
对黑河下游不同类型沙漠化土地土壤的盐分进行了调查和分析。
This paper reported response of Puccinellia regrowth to soil salinity and salt tolerance limit of the plant.
本文报导了盆栽碱茅草刈割后再生对土壤含盐量的反应和植物再生的耐盐限度。
Soil salinity constitutes a major factor limiting crop production because it affects plant growth and survival.
土壤盐渍化已成为制约农作物产量的主要非生物胁迫因素。
The best effects are planting salt-enduring plants andfertilizing various additive in soil salinity at the same time.
人工种植耐盐植物共同改良碱斑土壤可取得比较好的改良效果。
Through experimental research on the relations among soil salinity, soil moisture, effect of salt stress on growth of c.
对含盐土的渗透系数进行了室内试验研究。
The results of PCA indicated that soil salinity was one of the most important factors affecting the community distribution.
PCA和植物生理特性分析结果暗示，土壤盐分梯度是影响植物群落分布的主要因素。
Consequently microorganism agents and salt tolerant alfalfa cultivars have good effects on soil salinity control and growth of alfalfa.
因此，盐胁迫下微生物菌剂、耐盐苜蓿品种对于降低土壤盐分以及促进苜蓿生长具有良好调控效果。
In the irrigated areas, the soil salinity changes seasonally and decreases as a whole along with the process of irrigation and drainage.
在灌区内土壤盐分随灌溉和排水而呈现季节性变化，但整体上处于脱盐状态。
With ingravescent fresh water scarcity, the situation of drought and soil salinity get even worse in the arid and semi-arid areas of China.
在我国由于水资源日益短缺，干旱半干旱地区土壤干旱和盐渍化问题越发严峻。
But there are the phenomena of salinity cumulation and eluviation in the arable land, and the soil salinity is relatively even in the profile.
而耕地内土壤盐分存在多次积盐和脱盐过程，培面中盐分分布比较均匀。
The output signal of the invention can real-time respond the in situ soil salinity dynamic changes, no lag time, no measuring cumulative error;
本发明的输出信号对原位土壤盐分动态变化实时响应，无时间滞后，无测量累积误差；
Spatial distribution maps and (semi -) variograms that can explicitly explain the random and structural variability of soil salinity were also mapped.
绘制了各土层盐分的随机性和结构性的半方差图以及空间分布图。
The first principal component can denote the degree of soil salinity, and the second and third principal component can denote the degree of soil alkalinity.
第一主成分综合反映了区内土壤盐渍化程度，第二和第三主成分联合反映了土壤的碱性特征。
With the background of soil salinity in the plain of North China, a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation.
本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和—非饱和水的水—热—盐一维运动模型进行了数值模拟。
The salt content, salt composition and thickness of concentrated salt in the top layer of soil are main factors that should be taken into account in soil salinity classification.
表层土壤含盐量，以及盐分组成和积盐厚度等是研究土壤盐渍化程度分级应考虑的主要因素。
Wheat is one of the most important staple crop in the world. Drought and soil salinity are the most serious environmental factors that greatly limit wheat growth and productivity.
小麦是人类主要的粮食作物之一，干旱、盐渍胁迫等逆境是小麦生产的主要环境限制因子之一，其严重影响小麦的产量和栽培范围。
FAO has worked to raise the local capacity in dealing with the issue by training more than one hundred local officers and providing them with special instruments to measure soil salinity.
粮农组织通过培训一百多名当地官员和向他们提供测量土地盐度的专用工具，努力提高当地处理这一问题的能力。
It is of great importance to study the growth and nitrogen(N) uptaking by cotton for optimizing soil salinity, irrigation and fertilization strategies with drip irrigation under film.
在膜下滴灌条件下，进行了不同氮肥滴灌施肥方式和土壤盐度对棉花生长和氮素吸收影响的田间试验。
The region is close to Bohai Sea, where the high soil salinity, bad soil structure, and fragile entironment greatly restrict the effective use of land resources and ecological construction.
但该区濒临渤海，土壤含盐量普遍较高，土壤结构性差，生态环境脆弱，极大地限制了该区土地资源的有效利用和生态建设。
The research, turf planting experiment in small areas, has been carried out with six varieties of Bluegrass (Poa) under heavier soil salinity (The average soil salt concentration is 0.617%).
选用早熟禾属的6个品种在较重盐渍土地上（平均土壤全盐量0．617％）进行小区植坪试验。
Through experimental researches on the relations between changes of soil moisture, soil salinity, groundwater table and autumn irrigation norm, practical and feasible autumn irrigation norm...
通过土壤含水率、土壤盐分、地下水位的变化与秋浇定额关系的试验研究，确定出切实可行的秋浇定额，实施科学、合理的秋浇制度。
Through experimental researches on the relations between changes of soil moisture, soil salinity, groundwater table and autumn irrigation norm, practical and feasible autumn irrigation norm...
通过土壤含水率、土壤盐分、地下水位的变化与秋浇定额关系的试验研究，确定出切实可行的秋浇定额，实施科学、合理的秋浇制度。
应用推荐