Therefore, improving surface irrigation has very important meaning.
因此，对地面灌溉进行改进具有非常重要的意义。
Surge irrigation is a new kind of water saving technique for surface irrigation.
涌流灌溉是一种节水型地面灌溉新技术。
Some factors were compared between sprinkler system and improved surface irrigation methods.
对喷灌系统与改进的地面灌溉方法进行了多种因素比较。
Surface irrigation is the oldest type and still accounts for about three fourths of all irrigation.
地面灌溉是最古老的灌溉方式，现在还有大约四分之三的灌溉土地仍然使用这种灌溉方法。
Vegetation can even take up effluent via sub-surface irrigation, especially in outer urban and rural sites.
植被甚至可以通过表面灌溉吸收污水，由其在外城或者乡村地带。
Field evaporation potential in sprinkler irrigation field was greatly lower than that in surface irrigation field.
喷灌条件下农田蒸发能力明显低于地面灌溉。
The coagulating water amount of sprinkler irrigation field was more than that of surface irrigation field at night.
喷灌小麦晚上出现凝结水的量大于地面灌农田。
The amount of evapotranspiration of surface irrigation field was a little larger than that of sprinkler irrigation field.
喷灌农田的作物蒸散量通常小于地面灌农田。
The characters of border irrigation water flow movement of surface irrigation and its zero-inertia model have been introduced.
介绍了地面灌溉中畦灌水流运动的特性及零惯量模型。
Land leveling is an important measure for improving the efficiency of farm land surface irrigation and saving the resources of water.
平整土地是提高农田灌溉效率，节约水资源的一项重要措施。
Winter wheat yield and water use efficiency under sprinkler irrigation condition were higher than that under surface irrigation condition.
喷灌条件下冬小麦的产量和水分利用效率明显高于地面灌溉。
Wild flooding is inefficient in use of water and labor, but it irrigates land that can't be managed by other methods of surface irrigation.
漫灌的用水效率和劳动效率都是很低的，但它能用来灌溉那些不能采用其他地面灌水方法灌溉的土地。
But evaporation capacity of 100 cm height in sprinkler irrigation field was a little larger than that of the same height in surface irrigation field.
在地面灌和喷灌同时灌溉的情况下，地面灌农田的土面蒸发量大于喷灌农田；
Based on plant growth analysis theory, this paper studied the plant growth characteristics of winter wheat under sprinkler and surface irrigation conditions.
采用作物生长分析的方法，研究了喷灌和地面灌溉条件下冬小麦生长动态的变化规律。
Spray irrigation is a water saving irrigation method because there is no water loss in transportation, it can save about half of water compared to surface irrigation.
喷灌是一种节水的灌溉方式，由于没有管道输水的损失，相比地面灌溉，喷灌可以节省将近一半的水分。
The characteristics of soil water distribution and soil water balance of winter wheat were analyzed under sprinkler irrigation, with surface irrigation (border irrigation) as the control treatment.
以传统地面灌溉(畦灌)为对照，分析了喷灌条件下，冬小麦农田土壤水分分布特征和水量平衡。
Surface minimum temperature has become a new forecast cement, which is expected by agriculture, irrigation works, architecture, traffic etc.
地面最低温度是农业、水利、建筑、交通等部门期望得到的新的预报内容。
An expansive biological pond serves as a basin collecting rainwater and surface water run-off for landscape irrigation.
一个广阔的生物池塘作为收集雨水和地表水径流的景观灌溉流域。
Infiltration model for surge irrigation is the base of surface water flow movement simulation and irrigation scheme design of surge irrigation.
波涌灌溉土壤间歇入渗数学模型是进行波涌灌溉田面水流运动数值模拟和灌水方案优化设计的基础。
Establishing water conservation irrigation garden by irrigated area itself is a new attempt on unified management and comprehensive utilization of the surface water and underground water.
由灌区自行建立节水灌溉园区是灌区地表水、地下水统一管理和综合利用的新尝试。文章就其中的有关问题进行了探讨与研究。
Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off.
深度管道灌溉在斜坡和硬质土壤环境中非常适用，因为在那些地方地表灌溉浪费水资源。
In conclusion, there were some differences in the results of soil surface evaporation, when the leaf area index was large. A further study was needed under high-frequency irrigation.
分析认为，当叶面积指数较大时，棵间蒸发的现有研究结果尚存在较大的差别，而且高频灌溉条件下的土面蒸发有待于进一步研究。
Phosphorus fractions could enter water body from surface runoff and leachate due to excessive irrigation of centralized farm wastewater.
养殖场污水田间处理会引起土壤表面径流和渗出液中的磷组分流失。
Here the water wide, flat water, surface skin raft drifting, surf boats, the river embankment of a river to separate North and South sides of the strait to create a natural irrigation miracle!
这里水面宽阔，水流平缓，水面皮筏漂流，快艇冲浪，河中一堤将河水分出南北两岸，创造出了自然灌溉的奇迹！
With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed.
实例计算与方法验证表明，该方法能够简单而有效地确定膜孔灌溉田面综合糙率系数。
Salt crust is a unique layer that forms on the soil surface under drip irrigation with saline water in the shelterbelts along the Trim Desert Highway.
盐结皮是咸水滴灌条件下塔里木沙漠公路防护林土壤表层形成的一种特殊层结。
To some extend, the commonality benefit is harmed if infringing the surface-water irrigation rights without compensation for limited water resources, so this is external diseconomy action.
违规取用地表水灌溉，在水资源有限的情况下，从一定程度上损害了公共利益，并对他人不能进行补偿，因而是一种外部不经济的行为。
This paper presents a mathematical model which involves only four parameters to simulate the water movement and balance of surface and groundwater in a basin or an irrigation area.
本文提出一个仅含四个参数的数学模型来模拟一个流域或泄区的地面水和地下水的运动及水量平衡情势。
This paper presents a mathematical model which involves only four parameters to simulate the water movement and balance of surface and groundwater in a basin or an irrigation area.
本文提出一个仅含四个参数的数学模型来模拟一个流域或泄区的地面水和地下水的运动及水量平衡情势。
应用推荐