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晋西黄土丘陵沟壑区严重的水土流失使果园土壤极为贫瘠,加之有机肥来源较少与交通不便等不利条件,限制了该区果园的土壤培肥,不仅使果品的产量和质量受到影响,而且也制约着果树生产的快速发展。为了解决这一地区果园的有机肥料来源问题,较好地控制果园的水土流失,促进果树的生长发育,我们从1984年开始进行了果园绿肥扁茎黄芪的引种利用试验。通过连续7年的试验观察,积累了丰富的试验资料,现总结如下。
The serious soil and water loss in the hilly and gully regions of the Loess Plateau in western Shanxi made the soil in the orchard very barren and the unfavorable conditions such as the lack of organic manure sources and the inconvenient transportation restricted the soil fertility in the orchard of the area and affected not only the yield and quality of the fruit but also Also restrict the rapid development of fruit tree production. In order to solve the problem of source of organic fertilizers in orchards and control soil erosion in orchards and promote the growth and development of fruit trees in this area, we started the introduction and utilization of Astragalus membranaceus in green orchards in 1984. Through seven consecutive years of experimental observation, has accumulated a wealth of experimental data, are summarized as follows.