灌溉地

利用它，使用者可以对和田绿洲的河道、水库、灌溉地、非灌溉地、地下水的水平衡状况及水分运动有一个量与形的认识。

With the aid of the software , users can get a knowledge in the form of quantity or curve about the moisture movement and the water-balance status of river , reservoir , irrigated land , non - irrigated land and groundwater in Hotan Oasis .

他们正在做的工作就是变旱地为灌溉地。

What they are doing is transformation of arid land into irrigated fields .

同时，全世界约20%的可耕地和接近一半的灌溉地都受到不同程度的盐碱威胁。

Meanwhile , about 20 % available cultivated land and 1 / 2 irrigation field have been affected by saline at the different levels in the worldwide .

本文简要介绍了我国五大农区农业生产在全国的地位、灌溉地粮食生产对粮食安全的贡献以及农业可持续发展对水利的要求。

The position of agricultural production , the contribution of grain production in the irrigated farmland to the grain safeness , and the demand of agricultural sustainable development to water conservancy in the 5 key agricultural regions of China were briefly presented in this paper .

经济效益最好的植棉业已从传统的东南棉区转移到西南部的大片灌溉地。并从中总结历史经验教训，为当代华北地区植棉业发展提供有益的借鉴。

The most remunerative growing has shifted from the traditional southeastern producing region to the irrigated lands of the Southwest . in old north China , We can draw a lesson from it for the development of cotton planting industry in north China at present .

水分好气灌溉管理地上部干物重和水分利用效率明显增加；

The above ground dry weight and water use efficiency were increased under the conditions of aerobic irrigation .

截止到1998年，畜均占有0009hm2灌溉饲料地，11hm2围栏草场。

Up to 1998 , one livestock occupied 0.009 hm 2 irrigated feed cropland , and 1.1 hm 2 fenced rangeland .

首先，农业灌溉用地发展造成了黑河中游地区用水量的增加以及水资源在区域间的重新分配；

First of all , development of agricultural irrigation had led to increase in water utilization and redistribution of the water resources between regions .

家庭灌溉饲草料地与草地生态恢复耦合性试验研究

Test Study on Coupling Between Family Irrigation Forage Lands and Grasslands Ecology Renewing

亏缺灌溉还显著地提高了水分生产率。

The deficit irrigation also significantly increased water productivity .

基于土地整理的管道灌溉系统节地规划模式研究

Research on pipe irrigation system planning model of land Saving based on the land consolidation

实际运行表明，该系统能根据土壤水分适时、适量灌溉，有效地实现了节水灌溉。

The results show that the system can irrigate at proper time and adequate quantity , and effectively fulfills water - saving irrigation .

从前，往往发生这村的人和那村的人为界标或灌溉而你死我活地械斗的事。

In old days , people in this village used to snoot it out with those in that village for land mark or irrigation .

对塔里木沙漠公路防护林地进行实地观测和试验，研究咸水灌溉条件下沙地盐分淋溶后在土壤中重新分配和运移的规律。

An experiment was carried out to study salt distribution and movement in sand land in Tarim desert highway forest belt , irrigated with underground water of high mineral degrees .

不同灌溉方式对寒地水稻生长发育的影响

Effect of Different Irrigation on Growth and Development in Cold Region

灌溉产种苜蓿地土壤水分动态特征的研究

Study on Soil Water Dynamic Characteristic of Irrigation Alfalfa Seed

不同灌溉方式对保护地土壤水稳性团聚体的影响

Effect on Soil Water-Stable Aggregates of Different Irrigation Methods in Protected Field

不同灌溉方法对保护地土壤温度的影响

Effect of Different Irrigation Methods on Soil Temperature in Greenhouse

灌溉方法对保护地土壤有机氮矿化特性的影响

Effect of irrigation methods on mineralization of soil organic nitrogen in Protected Field

宁南半干旱灌溉农田夏闲地开发利用

The Exploration and Utilization of Summer Fallow Lands in Semiarid Irrigated Area in South Ningxia

灌溉方法对保护地土壤耗水量与番茄水分利用效率的影响

Effect of Irrigation Methods on Soil Water Loss and Water Use Efficiency of Tomato in Greenhouse

施氮及灌溉方式对玉米地土壤硝化潜势及微生物量碳的影响

Effect of Different Nitrogen Condition for Soil Microbial Biomass Carbon and Potential Nitrification Rate of Corn

不论覆盖与否，微咸水灌溉都不同程度地影响了对棉花生长。

The growth of cotton can be affected by irrigation with saltish water whenever the ground is mulched or not .

这种被称为滴灌的一滴一滴灌溉方式通过显著地减少所需的水量已经改变了农业。

Irrigating drop by drop - called drip irrigation - has transformed agriculture by dramatically reducing the amount of water needed .

在灌溉系统中合理地推广自动化控制技术，采用传感器监测土壤的墒情和绿地植被的生长，实现水管理的自动化即精准灌溉控制系统，可以有效提高水资源利用率，缓解水资源危机。

Automatic control technology which using sensors to monitor soil moisture and green vegetation growth can effectively improve the utilization of water which alleviating the water crisis .

通过数值计算、模型试验和现场观测，对通榆河与苏北灌溉总渠立交地涵的泥沙淤积进行了综合分析。

By means of numerical calculation , model test and field investigation the sedimentation of the underground culvert at the main irrigation canal in North - Jiangsu Province was analysed .

本文运用大系统分解一协调方法建立了灌区优化灌溉制皮及地而水、地下水联合运用的谱系模型，模型中第一层子系统优化采用动态规划方法确定各种作物的灌水定额、灌水时问及次数；

Based upon the decomposition principle of large scale system theory , this paper presents a model of two-tier pedigree for the optimum management of irrigation systems with DP method , the subsystem model determines the optimum irrigation scheme for each crop .

试验年份，川地灌溉与非灌溉地作物的千粒重、籽粒产量和地上部干物质重没有显著差异，谷子、玉米的耗水特性系数分别为1.10和1.05；

There was no evident difference in crops ' yield , kernel weight and aerial biomass between sufficient water supplying condition and rainfed condition in the experiment year . Millet and maize 's crop coefficient ( Kc ) value were 1.10 and 1.05 .

在此基础上，建立了水楔前进率，土壤吸水性能与其他水力特性等的关系，用以设计和管理有效的灌溉系统和间接地减少土壤盐碱化。

On the basis of the resulting equations , the relationship between the rate of advance of the water front , the intake characteristics of the soil , and other hydraulic features are developed for designing and operating irrigation systems effectively and to help reducing soil salinity .

塔里木盆地水资源紧缺，按经济效益最佳的灌溉定额进行节水灌溉，可有效地提高棉花水分利用效率。

Because the Tarim River Basin is lack of water resources , water saving economical irrigation can raise water use efficiency greatly .