该图为积累多年水盐动态预测,提供了基础性的评价依据。
The maps offer basal 'estimating basis for accumulating many years of Water-salt dynamic forecasting.
总结分析了灌区水盐动态变化趋势,计算并提出了排水控制标准。
The water salt trends in irrigated area is analysed and the standard of drained off water control is put forward.
在模型中引入土壤水盐动态模型作为控制条件,最后编制了计算程序。
Lead into soil water salt dynamic model as terms of controlling, finally compile the calculation procedure among model.
试验因子对土壤水盐动态的权重性分析和试验结果指标的综合因素分析;
Weighing analysis of the soil water and salt movements by the experimental factors and integrated factor analysis of the experiment results and indexes were performed.
研究了保护地渗灌管不同深度对土壤水盐动态、番茄生长发育及产量的影响。
Influences of infiltration depth on the dynamic of so il water and salt, and the growth and yield of tomato were studied in protected field.
研究了咸水灌溉对土壤水盐动态、地下水位、地下水质、作物生长及产量的影响。
This paper studies the influence on dynamic state of soil water salt, groundwater table, groundwater quality, crop growing and yield generated by saline water irrigation.
平原水库附近土壤水盐动态变化的研究,对于区域农业生产在理论和实践中都具有重要的意义。
The study of dynamic movement of water and salt in soil nearby campestris reservoirs is significative for regional production in agriculture , both theoretically and practically.
根据水均衡和盐分运动的基本原理,考虑到在实际情况下不动水体的存在,提出了一种简单的区域水盐动态预测预报模型。
A simple prediction model for regional ground water and soll water concentration, in which the immobile water is taken into account, is proposed based on water movement and solute transport.
该研究为分析浅地下水埋深条件下作物生育期内土壤水盐动态规律的分析提供了一种有效可行的方法,是对传统土壤水盐动态研究的补充。
This study offers an effective and feasible method for analyzing soil water-salt movement and is a supplement for the traditional dynamic study of soil water-salt movement.
研究的具体成果包括:(1)建立了控制性较强的干旱内陆河灌区水、盐动态综合监测网络体系。
The results of the research are as follows: (1) Water and salt dynamic comprehensive monitoring network system of arid inland river irrigation region with strongly control ability is established.
在作物水模型及作物水盐响应相关研究中,目前多采用最小二乘法进行参数寻优,动态规划法对系统进行优化。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
在作物水模型及作物水盐响应相关研究中,目前多采用最小二乘法进行参数寻优,动态规划法对系统进行优化。
At present, usually parameters and systems have been optimized by least square techniques and dynamic programming in the research of crop water model and crop response to water and salt.
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