合理灌溉

基于GIS的区域间作物合理灌溉模型研究

Reasonable Crop Irrigation System Based on GIS

施用化肥和不合理灌溉方式对水环境污染严重。

Unreasonable application of fertilizers and irrigation would make water serious pollution .

草坪蒸散量是指导草坪合理灌溉的重要指标。

Turfgrass evapotranspiration ( ET ) is an important index for turfgrass irrigation .

箭杆杨农田防护林合理灌溉的林木糖代谢分析

Analyses of sugar metabolism of shelter-forest on farmland of Populus nigra under rational irrigation

水源有限条件下作物合理灌溉定额的确定

Rational irrigation quota under limited water supply

其主要原因是偏施化肥，不重视有机肥，常年连作，不合理灌溉等。

The reasons are over-fertilizer , poor organic manure , continuous cropping , illogical irrigation etc.

天山北坡农田防护林合理灌溉量研究

Study on proper irrigating quota of shelter-forests on the northern slope of the Tianshan Mountain

有限水分胁迫对小麦生长状况的影响及合理灌溉的土壤相对湿度指标

Effects of limited water stress on wheat growth and the relative soil moisture index of rational irrigation

本文就河西干旱区农业节约用水合理灌溉问题作了讨论。

The water-saving problem and rational irrigation in the Hexi Region were also discussed in the paper .

营养生长期、开花和结荚期合理灌溉可大幅度提高种子产量。

Reasonable irrigation may greatly enhance Alfalfa seeds ' yield in vegetative , flowering and fruiting period .

对于沟畦灌而言，灌溉单元是指单沟或单畦的最大合理灌溉面积；

For furrow or border irrigation the unit indicates the maximum reasonable irrigation area of single furrow or border ;

该研究为滴灌节水技术的推广以及滴灌条件下树木合理灌溉制度的制定提供了依据。

This study provides basis for extension of drip irrigation water saving technology and establishment of a reasonable drip irrigation scheme .

另一方面是由于植物吸水机理没有得到深入的研究，灌溉时多采用地面灌溉的不合理灌溉方式，浪费了本已紧缺的水资源。

On the other hand , ground irrigation which is not a reasonable irrigation methods was used often , so the water resources which has been short were wasted .

开花坐果期是枣树需水临界期，通过分析枣树需水信息可以为合理灌溉提供生理技术支撑。

Anthesis and fruit setting periods are critical time of water requirement for jujube . It can provide physiological technology for reasonable irrigation to analyze water requirement information of jujube .

开发一种节能，低碳环保，灵敏度高，性能稳定，适用性广的土壤水分实时监测仪，是实现合理灌溉，精量灌溉的基础和技术保证。

Developing an energy efficient , low carbon , environmental protection , high sensitivity , stable performance and wide applicability soil moisture monitor is the basic and technical assurance for reasonable irrigation and precision irrigation .

结合保定平原主要农作物的需水量和需水规律，分析了主要农作物生育期和生育阶段内的土壤水资源量和水分盈亏量，为合理灌溉提供依据；

Combining the water requirements of main crops , analysed the amount of soil water resources and the excess and deficit of soil water resources of main crops in their growing stage to supervise the irrigation ;

随着温室效应加剧和水资源短缺，草坪草生长期的动态监测、精准施肥等草坪管理措施以及合理灌溉在实际应用中具有越来越重要的意义。

As the intensifying of greenhouse effect and water shortages , the lawn grass growth period of dynamic monitoring , the precise fertilization management measures and reasonable irrigation has more and more important significance in practical application .

因此，在农业生产中，结合实际情况，保证合理灌溉定额的条件下，适当增加灌溉频率是促进甜瓜生长、品质提高的有效措施。

Therefore , combined with actual situation , the appropriate increasing in the frequency of irrigation under a reasonable irrigation quota condition was an effective measure , to promote the growth of melon plants and fruits quality , in agricultural production .

【目的】通过揭示不同土壤含水量对蔬菜产量及蔬菜地土壤水分渗漏量的影响，为蔬菜生产中合理灌溉提供指导。

[ Objective ] The objective of this study was to explore the effect of the different soil water content on vegetable yield and water drainage amount in vegetable field and prove a firm scientific foundation for water management in vegetable product .

在各类用水中，土壤灌溉水是最重要的组成部分。因此，研究土壤入渗特性，确定合理灌溉定额和技术就可以最大限度地节约用水，从而大大地缓解缺水压力。

Among various types of water , soil irrigation water is the most important ; therefore , the study on soil infiltration characteristics to determine the reasonable irrigation quota and techniques can maximize water conservation , and thus greatly ease the pressure of water shortage .

土壤盐渍化是限制农作物产量的主要因素之一，其中Na~+是土壤盐分的主要成份，而且由于不合理灌溉引起的次生盐渍化使盐渍化土壤的面积继续增加。

Soil salinity is one of the major factors limiting agricultural production , and sodium is one of the major components of saline soils . The area of saline soil is growing at a high speed because of the secondary salinization due to unreasonable irrigation .

结合BP网络和小波分析的优势，建立一种水稻需水量预测的小波BP网络模型，旨在准确预测水稻需水量，为制定合理的灌溉制度、提高水资源的利用效率提供重要依据。

Providing foundation for making scientific irrigation treatments and heightening the water use rate , the advantage of artificial neural network and wavelet analysis is integrated to establish a Wavelet neural network model of predicting amount of water required of rice .

选择适宜的肥水灌溉方式，确定合理的灌溉制度。

To select appropriate fertigation strategy and reasonable irrigation system .

只要实施合理的灌溉，在沙地上种植马铃薯可以获得较高的产量和品质。

Potatoes of high yield and quality can be produced on sand dunes only by adequate irrigation .

灌区量水是合理调度灌溉水资源，正确执行计划用水，加强经济管理的重要措施。

Irrigation water measurement is essential for reasonable dispatch of irrigation water , correctly carrying out water using planning , and strengthening economic management .

水肥是影响作物产量的两个重要因子，合理的灌溉与施肥是作物增产的主要途径。

Water and fertilizer are two important factors that affect crop yield . Proper irrigation and fertilization is the main method to increase production .

准确的估算作物腾发速率（耗水量）对制定合理的灌溉制度、减少无效的土壤水分散失、提高水分利用效率具有重要意义。

It is very important for us to determine reasonably crop evapotranspiration which relates to determining irrigation schedule and efficiency coefficient of water use .

河西绿洲灌区地下水超采严重，因此针对当地实际情况，建立合理的灌溉技术对当地农业生产具有指导作用。

Serious over-exploitation of groundwater irrigation in Hexi Oasis , so for the local situation , a reasonable irrigation techniques play a guiding role in local agricultural .

与移动式喷灌比较，渗灌虽然一次性投入较大，但在同等折旧年限下，渗灌的净效益更高，比喷灌多10.9%，是更经济合理的灌溉方式；

Compared to movable sprinkler irrigation , despite its high cost for building , seeping irrigation can give 10.9 % more net benefits , so it is an reasonable irrigation methods .

数值模拟是认识地下滴灌条件下土壤水分运动规律的重要方法之一，其可为灌溉管网的设计和合理的灌溉制度的制定提供理论指导。

Numerical simulation is one very important method for apprehending law of soil water movement . It can provide theoretic guidance for design of irrigation pipe network and establishment of irrigation system .