条件筛选
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Key Technical Points for Dry Seedbed Raising of Rice Seedlings in Plug Trays under Large and Medium-Sized Plastic Tunnels
(1) Seed selection. Choose varieties of superior quality, high yield, disease resistance and medium-to-upper tillering capacity that tend toward the heavy-panicle type. In the first accumulated temperature zone, represented by Wuchang and Tailai, suitable main varieties include Wuyoudao No. 1, Songjing No. 2, Tengxi 140, Wudao No. 3 and Mudanjiang 19; in the second accumulated temperature zone, represented by Ning'an, Fangzheng, Yanshou, Huachuan and Suihua...