我国有5.2亿亩盐碱地,分布在23个省(区、市)。包括100多个城市。北方多数是微碱性土壤。盐碱土园林技术的研究在现实中有着非常重要的意义。在有关农林院校、科研部门的通力协作下,在全国各地选择有代表性的内陆、滨海、苏打盐碱土三种基本类型,进行盐碱土园林十项课题试验,取得了成功。现介绍以下几项。 一、微区改土绿化技术 运用隔离层(炉灰、锯末、麦糠、麦秸、稻草)、筛孔隔盐膜、防碱 China has 52 million mu of saline land, distributed in 23 provinces (autonomous regions and municipalities). Includes more than 100 cities. The north is mostly alkaline soil. The research of saline-alkali soil garden technology has a very important meaning in reality. Under the concerted efforts of relevant agricultural and forestry institutions and scientific research departments, three representative types of inland, coastal and soda saline-alkali soil were selected throughout the country for testing of ten subjects in saline-alkali soil gardens and achieved success. Now introduce the following. First, the micro-area greening technology using the isolation layer (ash, sawdust, wheat bran, wheat straw, straw), screen every salt film, alkali