中国科学院知识创新工程项目\r\n \r\n ,\r\n \r\n 中国科学院前沿领域研究基金\r\n \r\n ,\r\n \r\n 吉林省农业综合开发项目
王洋,齐晓宁,刘兆永,李泽兴.黑土区长期连作玉米农田土壤肥力变化及其评价——以德惠市为例[J].土壤,2008,40(3). WANG Yang, QI Xiao-ning, LIU Zhao-yong, LI Ze-xing. Effect of Long-Term Continuous Cropping of Corn on Soil Fertility of Black Soil and Its Evaluation——A Case Study of Dehui City[J]. Soils,2008,40(3):
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