依据农田内土壤含水率的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
According to the differences of soil water potential in the farmland, variable irrigation can save water as well as raise economic benefit.
研究结果显示，在优先考虑基本用水保障率较高的灌溉方式的前提下，农户会选择一种灌溉费用最小的灌溉方式；
The research results show that at a premise of prior consideration for irrigation mode of higher guarantee rate of basic water usage, farmer will choose an irrigation mode of minimum irrigation fee.
在对灌区来水和需水随机性分析的基础上，建立了一种确定灌区灌溉用水保证率的计算模型。
A calculation model is established in the paper for determining the water use ensurance probability based on the statistic analysis of irrigation area inflow and water needed.
工业用水的重复率仅为47%，农业灌溉用水也极其浪费，水资源利用率还不到50%。
The water-reusing rate of industry is only 47%. And the agriculture also has a wasteful irrigation. Its utilization rate of water resources is not up to 50%.
水分生产率是评价农业灌溉用水管理水平和节水效果的一个重要指标。
Agricultural water productivity is an important indicator to assess the effect of irrigation water management and water conservation.
对于景观灌溉计划的目标是百分之百的植物成活率，利用水的最低金额为完成这项工作。
The goal for a landscape irrigation plan is 100 percent survival rate of plants, using the minimum amount of water to do the job.
对于景观灌溉计划的目标是百分之百的植物成活率，利用水的最低金额为完成这项工作。
The goal for a landscape irrigation plan is 100 percent survival rate of plants, using the minimum amount of water to do the job.
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