国家自然科学基金资助项目(41201297)和广西自然科学基金资助项目(2012GXNSFAA053186)
李文军,杨奇勇,彭保发,赵 迪.西南岩溶区土壤全氮含量的空间变异分析[J].农业机械学报,2014,45(9):150-154. Li Wenjun, Yang Qiyong, Peng Baofa, Zhao Di. Spatial Variability of Total Soil Nitrogen Content in Karst Area of Southwest China[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(9):150-154.
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