浅谈草原围栏管理的经济效益和生态效益

ON ECONOMIC AND ECOLOGICAL BENEFITS OF GRASSLAND ENCLOSURE

本文通过几年来对我县草地进行不同种类的围栏管理及各种技术数据的测试表明。应用草原围栏管理草地,可增加草地的植被盖度,提高优质牧草的产量和枚草的消化率,增加草地的载畜能力,在短期内获得较高的经济效益,并可改善土壤的理化特性,增强土壤的固氮能力,降低草地沙化、盐碱化和草地退化的速度,建立理想的草群结构,改变草地内的小气候,使草地向着集约化经营的方向发展。且围栏成本较低,适用于家庭农牧场管理。应用盈亏平衡分析,2～3年即可收回围栏投资。

ABSTRACT Grassland enclosure can increase Plant cover, improve grass production and forage digestiblity and enhance carrying capacity of the grasslana.It brougnt auout economic benefit in a short period of time.Grassland enclosure can also improve physical and chemical properties of the soil,enhance nitrigen fixation capability of the soil, and prevent desertification,salinization and deterioration of the grassland .The enclosure is low in cost and applicable in family farm op-eration .Our analysis has showed that investment in grassland enclosure can be paid back in 2 to 3 years.