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hardening seedlings
释义
hardening seedlings
Encyclopedia
农学
〔蔬菜栽培〕
释
hardening seedlings
炼苗
为使蔬菜秧苗适应定植大田或设施内的环境条件,增强秧苗抗逆能力,加速缓苗进入正常生育,从定植前5~7天开始锻炼秧苗的措施。
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