With the method of prescribed burning, the effects of burning on Leymus chinensis population in Inner Mongolia steppe were discussed.
用控制火烧的方法，研究了火烧对内蒙古草原羊草种群的影响。
2
So how to improve tolerance to stress has significant meaning in both product of Leymus chinensis and management and reformation of saline-alkali plains.
提高羊草的抗逆性的研究对于羊草的生产和盐碱化草原的治理与改善具有重要的意义。
3
The yield of grass could be obviously increased by taking measures of fertilization, irrigation, plough and scarification to the retrogressive Leymus grassland.