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Acta Agrestia Sinica
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中文
Evaluation on the Ecoclimatic Suitability for Alfalfa Harvested Period in the Region of Yellow River Delta
Niu Jianzhong, Shi Dekuan
. 1998, (
2
): 139 -146 . DOI: 10.11733/j.issn.1007-0435.1998.02.009