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作者1983年7月在全国咸阳会议上提出的“三圃三区提纯复壮法”。系指三系、三季、三圃、三区,同步、同期提纯复壮。通过三个圃和三个鉴定区历经三季,生产三系原种。即以三系为对象,三季为周期,三圃为基础,三区为评选。通过三区鉴定,在三个圃上逐级繁育出三系原种应用于生产。据
In July 1983, the author put forward the “Pure and Rejuvenation Law of Three Nurseries and Three Districts” at the Xianyang meeting nationwide. Means three lines, three quarters, three Pu, three districts, simultaneously, over the same period purification and rejuvenation. Through three nurseries and three appraisal zones after three seasons, the production of three lines of original species. That is, three lines for the object, three seasons for the cycle, three Pu-based, three districts for the selection. Through the identification of three districts, the three nurseries were bred to produce three lines of original varieties for production. according to