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中国农学通报
山西北部初终霜冻日特征及其对农业的影响
张霞 钱锦霞 靳宁
Features of First and Last Frost Event Occurrence and Its Influence on Agriculture over Northern Shanxi
中国农学通报 . 2009, (22): 0 -0 .  DOI: 10.11924/j.issn.1000-6850.2009-1608