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中文
Study on the Crops and Cotton Productivities of Grain in Huang-Huai-Hai Region
Qu Manli, Wang Enli, Meng Zhaohua, Wang Qingli, Li Hongmei
ACTA AGRICULTURAE BOREALI-SINICA . 1992, (
3
): 104 -109 . DOI: 10.3321/j.issn:1000-7091.1992.03.019
