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A Study on Limiting Factors to Winter Wheat -Summer Maize Production in Southern Hebei Plain
Xia Aiping, Liang Weili, Lv Hongzhan, Yang Zhenqi, Qin Fengshu, Lv Yuhai
Chinese Agricultural Science Bulletin . 2006, (9): 123 -123 .  DOI: 10.11924/j.issn.1000-6850.0609123