膜下滴灌施肥技术存在的问题及对策

Existing Problems and Countermeasures of Drip Irrigation Fertilization Technology Under Film

膜下滴灌施肥技术是一项集节水、施肥、覆膜为一体的高效灌溉施肥技术。本文介绍了膜下滴灌施肥技术节水、节肥、高效、增温、保墒的作用机理,同时简要介绍了该项技术的基本系统组成、操作技术要领、优势及推广中存在的问题和对策,最后展望了该项技术的应用前景,以期为我国干旱半干旱地区广泛推广和应用该项技术提供借鉴。

Drip irrigation fertilization technology under film is an efficient irrigation and fertilization technology which integrates water saving,fertilization and film mulching. This paper introduced the mechanism of water saving,fertilizer saving,high efficiency,temperature increasing and soil moisture preservation of drip irrigation under mulch. At the same time,it briefly introduced the basic system composition,operation technology essentials,advantages,existing problems and solutions in popularization of this technology. Finally,it put forward to the application prospect of this technology and provided a reference for the wide popularization and application of this technology in arid and semi-arid areas of China.