水利部农水局冯广志同志的这篇文章,酝酿已久,博采众长,本刊现予以发表。这里登的是该文的前部分,还有“有关喷灌的主要枝术经济指标”,将在下期刊登。希望大家对喷灌的技术经济问题展开讨论。来稿请提修正与补充意见,避免各成系统,以便尽早统一见解与统一算法,有利于喷灌事业的发展。 This article published by Comrade Feng Guangzhi from the Ministry of Water Resources and Civil Affairs Bureau has been brewing for a long time. Here is the front of the article, as well as “economic indicators of the main sprinkler irrigation technology,” will be published in the next issue. I hope everyone will discuss the technical and economic issues of sprinkler irrigation. Contributions Please refer to amendments and supplementary opinions, to avoid the system, in order to unify the insight and unity of the algorithm as soon as possible, is conducive to the development of sprinkler irrigation.