黔西北地区水保型禾草筛选研究

根据贵州黔西北地区不同立地条件对禾草的生物生态学特性及水土保持性能的要求，对搜集到的黔西北地区45种水保型禾草的生态、社会和经济效益进行了系统研究，并采用模糊评分法对不同禾草进行了综合评分，筛选出了适宜于黔西北地区种植和发展的宜安草、草芦、鸭茅、毛花雀稗、苇状羊茅、扁穗雀麦等优良水土保持型禾草，为黔西北地区不同生境退耕地退耕还草、治理水土流失、发展草食畜牧业提供了科学的草种选择依据。

Selection of Water and Soil Conservation Grass in the Northwest of Guizhou

Taking into consideration the bioecological-specific property and their water and soil conservation function of the grass family according to different ecological conditions in the northwest of Guizhou, the paper makes a systematic study of forty-five species of grasses including their bio-ecological, social and economic benefits. The results show that Fimbriate Dallisgrass, Reed Canarygrass, common Orchardgrass, Hair flower Dallisgrass, Tall Fescue, Flat ear Bromegrass, etc., are suitable to plant and develop in the northwest of Guizhou. The study provides scientific basis for grass species selection, water loss and soil erosion prevention, and development of the grassland and animal husbandry in the area.