According to the person in charge of the project, during the implementation of the project, a total of 2.7 million strains of virus-free seedlings were produced; in Zhangbei County, Hebei Province, 31.5 acres of net sheds were newly constructed, and 4.19 million microtubers were produced; 1,000 acres of original production fields were planted, and the original species was produced. 2395 tons; to build a first-class seed potato production field of 9400 acres, production of 21,000 tons of seed potatoes; promotion of new varieties of 264,000 acres, an increase of 70.62 million yuan in economic benefits. Through cooperation with enterprises, a demonstration and extension model combining the production of virus-free seed potatoes and technical training with the combination of South-type and northern-type propagation has been established. 54 demonstration sites have been established in 24 provinces (regions, cities) nationwide, accelerating the promotion of new varieties, and expanding the planting scope of Zhongshu No. 3, Zhongwu No. 7 and other varieties in the Central Plains and winter cropping areas.
Zhongnong
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