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- Research on the Soil Water and Salt Dynamics of the Purple Medic Grassland and the Mode of an Optimal Ecological Irrigation Control in the Qinwangchuan Irrigated Regions, Gansu Province 甘肃秦王川灌区苜蓿草地土壤水盐动态及其生态灌溉调控模式
- 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
- Experimental analysis on the soil water and salt dynamic variation in shallow groundwater areas 地下水浅埋区土壤水盐试验分析
- Soil water not available for absorption by plants. 无效水植物不能吸取的土壤水
- 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。
- Studies of soil salt dynamics in saline-sodic soil in different seasons provided scientific basis for the improvement and control of salinized and alkaline soil in Songnen plain. 本文对不同季节苏打盐渍土盐分动态的研究,为松嫩平原苏打盐渍土的改良和控制提供了科学依据。
- 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。
- 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。
- Soil water erosion is a complex physicochemical process. 土壤水蚀是一个复杂的物理化学过程。
- The soil water stress leads to the increase in stoma density. 水分胁迫使气孔密度增加;
- 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;
- 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。
- Based on fixed field monitoring data,soil water potential dynamics and water consumption in the oil-tea camellia woods on slope land of red soil were studied. 利用野外定位观测数据,研究了雨季红壤坡地油茶林土壤水势变化特征及耗水规律。
- 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。
- Spatial variability of soil water retention curves on a forested hill-slope. 森林流域坡面林地土壤水分运动特征参数空间异质性研究。
- But high-output and high-efficiency is the conditions of managing soil water. 而把高产高效水作为指导当地林业生产的土壤水分管理条件。
- The value of Q10 of soil respiration increased with soil water content. 土壤水分含量的增加可增加土壤呼吸的Q10。
- The paper analyzes the soil water dynamics and water requirement law of alfalfa,feed maize and ensile maize under 3 kinds of water-saving irrigation conditions through experimental study on the crops. 对节水灌溉条件下的紫花苜蓿、饲料玉米和青贮玉米需水量进行了试验研究,分析了不同灌溉水平下3种饲草料作物的土壤水动态和需水规律。