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1现状宣威位于云南东北部,平均海拔1 960m,年均降雨量980mm,年平均气温13.3℃,是一个农业人口达127万人的县级农业大市,年种植玉米8.5万hm2,玉米杂交种年用种量达270万kg。有3家种子公司:宣威市种子公司、宣威市益宏农业有限公司、云南种业集团宣威分公司,年生产玉米杂交种超过200万kg。3家公司所生产的宣黄单2号、宣黄单4号、宣宏2号等品种种子远销云南、贵州、广西、四川等省,深受农民的喜爱。
1 Present situation Xuanwei is located in northeastern Yunnan, with an average elevation of 1 960m and an average annual rainfall of 980mm. The annual average temperature is 13.3 ℃. It is a county-level agricultural market with an agricultural population of 1.27 million. The annual planting of corn is 85,000 hm2. Breeding years with the amount of 2.7 million kg. There are 3 seed companies: Xuanwei Seed Company, Xuanwei Yihong Agriculture Co., Ltd. and Yunnan Seed Industry Group Xuanwei Branch. The annual production of corn hybrids exceeds 2 million kg. The seeds of Xuan Huang Dan No.2, Xuan Huang Dan No.4 and Xuan Hong No.2 produced by the three companies are exported to Yunnan, Guizhou, Guangxi and Sichuan provinces and are deeply loved by peasants.