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- Effects of water management strategies on soil water salt movement and subsurface drainage 水管理策略对土壤水盐动态和区域地下排水影响的模拟评价
- Soil water not available for absorption by plants. 无效水植物不能吸取的土壤水
- The characteristics of the infiltration, saltconcentration distribution, the influence of initial soil moisture contenton the soil water and salt transport processes and the relation between waterand salt transport are analyzed. 就一维积水入渗条件下土壤水分运动特性、盐分分布变化特征的规律、土壤初始含水量对水盐运移的影响以及水盐耦合迁移特性间的定量关系进行了重点分析。
- The soil water and salt transport were studied under 3 crop planting condition. 对3种作物种植条件下土壤水盐运移规律进行了研究。
- Ma Hung-Kuei's method of salt distribution was unique. 马鸿逵的食盐专运专销办法可谓举世无双。
- Influencing factors of leaf water potential includes soil water content,soil salt,net radiation,atmosphere humidity and atmosphere temperature. 通过相关性分析得出叶水势的影响因素有:土壤水分、盐分,净辐射,大气湿度,大气温度。
- Theoretically, one would expect the distribution of a fumigant to be more rapid at lower soil water contents. 在理论上,预计熏蒸剂的分配在土壤水分含量较低时会更迅速。
- An increase in soil water content would decrease their movement. 土壤水分含量的增加将减低它们的移动。
- At present the results of pinhole test and crumb test are prior to deciding the dispersivity of the high-sodic saline soil,but the results of normal double-hydrometer test,pore water salt... 在现阶段,判别高钠盐渍土的分散性应以针孔试验和碎块试验的判别结果为主,而以双比重计试验、孔隙水可溶盐试验和交换性钠百分比试验的试验结果作为参考。
- Much research of characteristics of soil water and salt transportunder drip irrigation, an important basis to develop salt-affected land, has been conducted at home and abroad. 滴灌条件下的水盐运移特性是寻求开发利用盐碱地和次生盐碱化防治的基础，国内外学者对此进行大量研究。
- The key irrigation time was related to soil water content before sowing, precipitation during crop growing and the precipitation distribution etc. 作物生育期间的灌水关键期与土壤底墒、作物生育期降水量和降水的时间分布等因素有关。
- Based on drift tracking and ordinary daily salt measurement, the bony movement trace and the salt distribution is simulated. 模拟了盐度场分布和漂流浮子的运动轨迹，与现场盐度调查和浮子跟踪试验结果基本一致，分析厦门港河口区“退潮流隔”形成的动力机制。
- Soil water erosion is a complex physicochemical process. 土壤水蚀是一个复杂的物理化学过程。
- Then water salt balance model is estanbished according to the relationship of irrigating and drainage. 根据灌区灌溉、排水条件与以上各种因素的关系，建立了灌区水盐均衡模型；
- The soil water stress leads to the increase in stoma density. 水分胁迫使气孔密度增加；
- As the experiment was carried out under stabile evaporation conditions, more work should be done on effect of evaporation on movement of soil water, salt and heat. 本实验一直处于稳定蒸发状态，今后需进一步研究不同蒸发条件下土壤水盐热的运移规律。
- To recognize features of transport of soil water and salt is an important research content for soil physics and irrigation of farmland and a key problem to soil reclamation. 摘要土壤水-热-盐运移规律的研究是目前土壤物理学、农田灌溉学研究的一个重要方面，也是防治盐碱化、改良盐渍土的核心问题。
- The wave distribution of soil water along hillslope results from the fluctuation of overland flow, upslope runoff infiltration, and lateral downslope flow. 土壤水分沿坡面呈“波浪形”分布是坡面径流的波动性、上方来水（径流）的沿程入渗以及侧向沿坡向下流等综合作用的结果。
- Plaza A G,Mena M M,Albaladejo J,et al.Factors regulating spatial distribution of soil water content in small semiarid catchments[J].Journal of Hydrology,2001,235:211-226. 李昆陈玉德.;元谋干热河谷人工林地的水分输入与土壤水分研究[J]
- Root activity pattern is a more accurate parameter than pattern of active roots in delineating the spatiotemporal distribution of soil water uptake by plant. 通过调查作物根活性的高值区和高峰期，可确定施肥的最佳位置和时间；
