求翻译：播种多在春、秋季进行。发芽适温为21-24℃，播后10-21天发芽，发芽率高达90%以上。播后4个月开花。该法只在育种时采用。幼苗应注意通风，及时间苗移栽。是什么意思？

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Seeding in the spring and autumn more. The temperature of 21-24 germinate℃, after 10-21 days to germinate and seed germination high above 90 per cent. After 4 months the flowering. The act only in breeding. The seedlings ventilation, and time of the miao afterwards.

Sows seeds many in the spring, the autumn carries on.Germinates heats suitably for 21-24℃, broadcasts the latter 10-21 day to germinate, the germination percentage reaches as high as above 90%.Broadcasts the latter 4 months to blossom.This law only when breeding uses.The seedling should pay attentio

Sow in spring and autumn. Germination temperature 21-24 ℃, sowing 10-21 days after germination, germination rate is over 90%. Broadcast 4 months after flowering. This method is only used in breeding. Seedlings should pay attention to ventilation, thinning and transplanting in a timely manner.

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