五节芒等植物水土保持效果试验研究  

Experimental Study of Miscanthus Floridulus on Soil and Water Conservation Effects

作　　者：谢金波 王敬贵 

机构地区：[1]五华县水土保持试验推广站,广东五华514471 [2]珠江水利委员会珠江水利科学研究院,广东广州510611 [3]珠江水利委员会珠江流域水土保持监测中心站,广东广州510611

出　　处：《水土保持通报》2014年第1期51-53,57,共4页Bulletin of Soil and Water Conservation

基　　金：水利部公益性行业科研专项经费项目"岩溶地区水土资源保护及利用研究"(201101019)

摘　　要：选取香根草、象草和五节芒3种植物在中国南方红壤丘陵区山坡进行水土保持成效试验。对不同试验小区的土壤理化性状、径流量与水土流失量等指标进行了近3a的观测,结果表明,3种植物均有较好的水土保持效果。与香根草和象草相比,五节芒在增加地表覆盖,改善土壤理化性质,拦蓄径流泥沙,改良微地貌,防治水土流失,改善生态环境等方面具有明显优势,且分布广,种源多,种植成本低,是一种优良的水土保持草种。在南方红壤丘陵区水土流失治理生物措施中,可以优先选用五节芒。Three kinds of herbs Vetiveria zizanioides, Pennisetum purpureum Schum and Miscanthus floridulus were selected for an experiment of soil and water conservation in the red soil hilly region of Southern China. Observations of soil physiochemical properties, runoff and soil erosion were made in runoff plots for nearly three years. Results show that compared with Vetiveria zizanioides and Pennisetum purpureum Schum, Miscanthus floridulus has obvious advantages on increasing surface coverage, improving soil physio- chemical properties, reducing and retaining surface runoff, improving micro-landform, controlling and reducing soil erosion, and improving ecological environment. Furthermore, Miscanthus floridulus are widely dis- tributed, the seeds can be obtained easily, and the cost of planting is very low. Therefore, Miscanthus floridulus is a good grass for soil and water conservation. Miscanthus floridulus should be selected firstly in projects of soil and water conservation in the ed soil hilly region of Southern China.

关 键 词：五节芒 香根草 象草 南方红壤丘陵区 水土保持效果 

分 类 号：S157[农业科学—土壤学]