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Studies on Improving Saline-alkaline Grassland in Songnen plain

Li Jiandong(National Laboratory of Grassland Ecological Engineering,Northeast Normal University,Changchun, 130024)Zheng Huiying(Plant institute Science academic of China,Beijing,100044)  
Recently,large saline-alkaline areas have appeared in the Songnen Plain,seriously affecting animal husbandry and aggravating the ecological enviornment.Thus,it becomes essential to find ways to improve saline-alkaline grassland through scientific research and practice. We have been doing enperiments for many years and have developed a number of treatments including natural closure,biological,chemical,physical and engineering methods. The results proves that biological methods are the most effective ones.This study puts forward theories and measures for improving saline alkaline grassland.
【Fund】: 国家基金委资助
【CateGory Index】: Q948.156
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