所谓二茬草就是一年一度收完草后又新生出来的牧草。群众习惯于利用这二茬草,说是二茬草有营养、畜爱吃、增膘快,是秋季牲畜抓膘的好牧草。然而羊草草甸草原在霜前一个月就应停止放牧和割草,这样便于给牧草多贮藏养分,提高牧草的第二年发芽率。可是,经过人们利用二茬草的草原,牧草部分根茎腐烂,影响了牧草的第二年返青,致使草原加速了退化。结果是:优质羊草少了,杂草多了;产草量少了,退化面积多了;种子结实率 The so-called two stubble grass is the annual finished grass and newborn grass. The masses are accustomed to making use of these two stubble grasses, saying that they have good nutrition in the two stubble grazes, good eating habits and fast growth in grazing animals. However, Leymus meadows steppe should stop grazing and mowing one month before the frost, which is convenient for storing more nutrients for pasture and increasing the second year of grazing. However, after people use the grasslands of the second crop of grass, part of their roots and stems rotted, affecting the second year of forage rejuvenation, resulting in accelerated degradation of grasslands. The results are: less quality of the sheep, more weeds; less grass production, degenerated area more; seed set rate