【摘要】 通过对吉林省大安、乾安、长岭地区不同退化草场土壤养分的分析,掌握了解不同退化草场土壤养分的情况,以便为退化草场改良提出理论根据。更多还原

【Abstract】 By analyses on soil nutrient of different degeneration of grassland utilization in the area of Daan、Qianan、Changling of Jilin Province. We got the information about the soilautrient changes of different degeneration of grassland, as to provide the theoretical basis for improvement the degeneration of grassland utilization.更多还原