华北地区发展井灌,是促进农业稳产高产的重要措施之一。几年来,不少单位进行了許多工作,設計制造了一些用之有效的机具。本刊拟組織打井机具和各种井用提水工具的調查分析、設計試驗研究和使用問題分析等方面的报道(对南方水田排灌問題也同时报道),希望各单位和同志们积极投稿,介紹机具,並对本刊登载的文章发表討論意見。 該期上发表的《华北地区简易农用打井机具調查研究》一文,由于写成时間較早,概括的情况可能不尽全面,某些看法也許有不当之处,希望大家将自己的不同意見或补充意見写給本室。 Well irrigation in North China is one of the important measures to promote stable and high-yield agriculture. In the past few years, many units conducted a lot of work and designed and manufactured some effective tools. The magazine to organize drilling equipment and wells with a variety of water tools for investigation and analysis, design and experimental studies and analysis of the use of the report (on the South paddy irrigation and drainage issues are also reported), I hope all units and comrades actively contribute, Introduce equipment, and published articles published articles discussed. The issue of “Simple Agricultural Well-Drilling Machine Research and Research in North China” published during this period may not be comprehensive due to its earlier writing time. Some views may have some defects. We hope that everyone will put their own opinions or opinions Add comments to this room.