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文章以 1、2年生草本花卉为例 ,介绍了草本花卉大面积良种繁育的步骤和方法 :①制定良种繁育计划 ;②选择基地 ;③播种育苗 ;④加强田间管理 ;⑤种子采收与管理
The article takes the annual and biennial herbaceous flowers as an example to introduce the steps and methods of large-scale breeding of elite flowers and plants. The plan includes the following steps: (1) formulating breeding programs; (2) selecting bases; (3) sowing seedlings; (4) strengthening field management; (5)