前言我县有可利用的草山草坡面积946820亩,是耕地面积的三点二倍。牧草资源极为丰富,对发展牲畜潜力很大。如何进行改良呢?这是我县开发利用草山,发展放牧畜牧业提出的新问题,从国内外草地改良看,常采取两种方法,即治标改良与治本改良。国 Preface My county has available Grassland grass slope area of ​​946820 acres, is three times the area of ​​arable land. Forage resources are extremely rich and have great potential for livestock development. How to improve it? This is my county development and utilization of grassy mountains, the development of animal husbandry grazing raised new problems, from domestic and foreign grassland improvement, often take two methods, namely, temporary standard improvement and the root cause of improvement. country