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河北省“粮食丰产科技工程”课题实施效果评价
张月辰,赵国杰
Evaluation of effect on Science and Technology Project of Food Production in Hebei Province
Zhang Yuechen, Zhao Guojie
中国农学通报 . 2007, (2): 465 -465 .  DOI: 10.11924/j.issn.1000-6850.0702465