苎麻在保持水土中的作用

Function of Boehmeria nivea in soil and water conservation

摘要: 大竹县为全国著名的苎麻生产基地县,有着3000多年的苎麻种植历史和丰富的种植经验。根据1986—1989年苎麻小区水土保持效益观测结果,通过对苎麻保持水土的成因分析,苎麻与经果林、水保林保持水土的效果对比,结果表明:无论是拦蓄径流和泥沙,还是地面抗蚀能力,苎麻都优于经果林和水保林等,在保持水土中有着较大的作用,是治理水土流失值得推广的一种植物措施和有效途径。

Abstract: As a famous county for Boehmeria nivea platation,Dazhu,has a history for more than 3000 years in Boehmeria nivea plantation with rich planting experience.Based on the data of runoff plots from 1986 to 1989,and analysis of SWC reason of Boehmeria nivea, contrast among cash forest,SWC forest and Boehmeria nivea,the results are gained as follows: the retention for water,holding ability for sediments,anti-erodibility of Boehmeria nivea are all bigger than the others.Boehmeria nivea,which has strong function in SWC work,need to be popularized as a good plant for governing soil and water losses.