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通过１９８７～１９９７年的试验和应用最终筛选出改进型“尼龙袋＋生石灰密闭干燥”包装方法，将头一年制种，经过次年早晚稻２个播种季节未销完而积压的种子包装起来，在常温普通仓库中可延期贮藏到第３和第４播种季节，比麻袋包装普通贮藏延长１～２个播种季节，其发芽率仍然达到新的国家标准（８０％）以上水平，分别为８８％～９２％和８３％～８７％；其延期贮藏费用平均只需０．１５元／ｋｇ。具有效、经济、简便、实用的特点。
Through the experiment and application from 1987 to 1997, the improved packaging method of “nylon bag + quicklime closed drying” was finally screened and the seeds that were planted in the first year and not overstocked in the two planting seasons of the next year and the late rice were packed , Which can be postponed to the 3rd and 4th sowing seasons in normal warehouses at normal temperature, and the germination rate is still above the new national standard (80%), which is 88 % ~ 92% and 83% ~ 87%; the average postponed storage costs only 0.15 yuan / kg. Effective, economical, simple and practical features.