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黄土高原贫困地区农田能量效率与提高途径
余存祖, 刘耀宏, 彭琳, 戴鸣钧
Energy Efficiency of Farmland in Poverty-stricken Areas of the Loess Plateau and Approaches for its Improvement
Yu Cunzu, Liu Yaohong, Peng Lin, Dai Minjun
生态学杂志 . 1989, (6): 1 -5,26 .