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。
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。
The yield of grass could be obviously increased by taking measures of fertilization, irrigation, plough and scarification to the retrogressive Leymus grassland.
对退化赖草地采取施肥、灌溉、耕翻及划破草皮等综合措施进行了试验研究，结果表明，以上措施可明显提高草地生产量。
This experiment investigated the effect of combining application of different ameliorative material and fertilizer to the biological yield and quality of alfalfa and Leymus chinensis.
本试验采用不同改土物料与化肥配合施用对人工建植草地苜蓿和羊草生物产量和品质影响进行了研究。
The azotobacteria in the rhizosphere of Leymus chinensis and Agropyron mongolica were separateda, nd their activities were measured by the methods of dilution-plate method and etylene reduction assay.
利用平板划线法和乙炔还原法对羊草和冰草根际固氮菌进行分离和固氮活性的测定。
The azotobacteria in the rhizosphere of Leymus chinensis and Agropyron mongolica were separateda, nd their activities were measured by the methods of dilution-plate method and etylene reduction assay.
利用平板划线法和乙炔还原法对羊草和冰草根际固氮菌进行分离和固氮活性的测定。
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