Techniques in applying water tofarmland and de veloping counterproposals for increasing water use efficiency 提高水分利用效率的田间施水技术与发展对策
( 2 ) in case of specified volume of applied water , the shape of wetted soil volume is influenced by discharge rate ( 2 )在灌水量一定的情况下,滴头流量对湿润体的形状有明显的影响。
Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off 描述: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。
Three kinds of method is applied water spray with pump , water curtain without pump , and dry adsorption to tackle waste gas 并对有泵水雾、无泵水幕、干式吸附三种治理工艺方法、吸收装置结构及运行特点进行分析对比。
Many of the researches carried out have concentrated on how to apply water and nutrients effectively to achieve the goal of high yield , good quality and high efficiency 如何有效地对二者进行调控,达到高产、优质和高效的生产目的,国内外已进行了大量的研究。