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近几年来,在吉林省白城地区的一些退化草原上,翻耕播种羊草(Aneurole-pidium chinense)以后,一般在硝碱地、低洼地及暗碱地,羊草生长稀疏,常常不能形成“清堂”羊草群落,同时,新开荒地播种羊草头2—3年,羊草自繁个体还不很多,复盖度不大的情况下,往往在秋季和早春空气干燥,土壤反碱严重,从而
In some degraded grasslands in Baicheng area of Jilin Province in recent years, after the sowing of Aneurole-pidium chinense, the growth of Leymus chinensis is usually sparse in nitrobacteria, low-lying land and dark-alkali land, and often can not form “ Qingtang ”Leymus chinensis community, at the same time, the new open-land sowing sheep first 2-3 years, Leymus chinensis is not much since the individual, coverage is not large, often in the autumn and early spring air-drying, soil anti-alkali Seriously, thus