我省草原因受风沙、盐碱、内涝、干旱的侵袭,有些逐年退化。为了提高草原的产草量和质量,1961年我们开始进行耙地补播试验,从中看出羊草表现较好。此后,在半山区的勃利、山市种马场,平原区的龙江县靠山种畜 Grassland in our province due to wind and sand, salt, waterlogging, drought invasion, some degradation year after year. In order to improve the grassland production and quality, we began to carry out the harrowing paddy sowing experiment in 1961, from which we can see that Leymus chinensis performed better. Since then, in the Mid-Levels of Boli, mountain market stud farm, plains area of ​​Longjiang County by backing breeding stock