irrigation tunnel是什么意思

网络释义

用法例句

Study on sands experiment of a new type of underground irrigation douche;

新型地下灌溉灌水器的沙地试验研究

The feasibility and mechanism analysis of a penetrable pipe for soil base in the field used to irrigate and drain was disccued by mpns of the analyais of present underground irrigation systems.

通过对现有地下灌溉系统的分析，论述了田间地下土基透水管灌溉、排水兼用的可行性及机理分析。

By way of developing the research of sands underground irrigation experiment,it was discovered that diminishing the unit time existing discharge,extending the efficacious i.

在沙地开展的地下灌溉试验表明,减小灌水器的单位时间出流量,延长有效灌溉时间,并在灌水器下方铺设35 cm×35 cm塑料薄膜,可使该微润灌水器适合在沙地应用。

In the paper,the furrow irrigation,drop irrigation and subsurface irrigation is adopted to test the relationship between the different irrigation treatments,water consumption and crops growth.

为了分析不同灌溉方式的节水效果和对植物生长发育的影响,通过对大棚西红柿进行沟灌、滴灌和地下灌溉3种灌溉方式的试验,分析不同灌溉方式、灌水量、注射深度对大棚西红柿茎粗、根系活力、产量和西红柿品质的影响。

an expert on farmland irrigation says that underground irrigation is the best way to water crops. It puts water where it is most needed at the roots.

一位灌溉专家说，地下灌溉是给作物供水的最佳方法，因为它把水灌到最需要的地方。即根系近旁。

"Underground drip irrigation uses less water than traditional aboveground irrigation methods. and because the water remains underground, less water is lost to evaporation. "

地下灌溉比传统的地面灌溉耗水量更少。因为水始终在地下，水分蒸发更少。

There are other reasons why the underground irrigation system is better for tomatoes. Underground system leaves the surface soil dry.

之所以地下灌溉系统更适合番茄栽培，还有几条理由。地下灌溉使土表保持干燥。

A variation of subirrigation has received increasing attention.

一种改进了的地下灌溉已经引起了广泛的注意。

Regulating effect of non-pressure subirrigation on distribution characteristics of tomato roots

无压地下灌溉对番茄根系分布特征的调控效应

Mechanism and Field Application under Crop Rootzone Non-Pressure Subirrigation;

根区局部控水无压地下灌溉技术的灌水机理及田间实践研究

Moisture Transform Rule and Production Mechanism of Subsurface Non-Pressure Irrigation and Indirect Drip Irrigation

无压地下灌溉和间接滴灌水分运移规律与节水增产机制研究

Subsurface Drip Irrigation and Its Application in Tobacco Production

地下滴灌及其在烤烟灌溉中的应用分析

Experiment Research on Reclaimed Water Irrigation under the Conditons of Different Groundwater Depths;

不同地下水埋深条件下再生水灌溉的试验研究

Effects of brackish water irrigation on soil and crop under different groundwater depths

地下水作用下微咸水灌溉对土壤及作物的影响

A Study on the Fast-growing and High-yield Mechanism of Poplar Plantations and the Irrigation System on Subsurface Drip Irrigation on Sandy Soil;

地下滴灌下沙地杨树速生丰产机制与灌溉制度研究

No extra water enters underground supplies. Water from above-ground irrigation system often carry salts and chemical fertilizers into such supplies.

没有多余的水进入地下水源。而地面灌溉法的灌溉水常使各种盐分和化肥进入地下水源。

Evaluating the Quality of Ground Water as Irrigation Water in Alar Reclamation Area

阿拉尔垦区地下水作为灌溉用水的水质评价

Innovation of Property Right, Technical Efficiency and Groundwater Irrigation Management;

地下水灌溉系统产权制度创新、效率及政策

The Effects of Water-Fertilizer Coupling on Island Cotton under the Condition of Irrigation;

长绒棉地面灌溉条件下水肥耦合效应机理研究

Studies on the Irrigation Model of Aerobic Rice under Beijing Climate Background;

北京地区气候背景下旱稻灌溉模式的研究

Analysis of Irrigation Infiltration and Groundwater Exploitation Quantum in West Plain Area of Shandong

鲁西平原区灌溉入渗及地下水可开采量分析

Study on the Irrigation of Summer Maize with Underground Brackish Water from Different Buried Depths

不同埋深地下微咸水用于夏玉米灌溉研究