noun
seedbed; sowing bed; seedling container
Agricultural term for a prepared area or container where seeds are sown and seedlings are raised before transplanting.
播種床に種をまいたら、軽く土をかぶせてください。
After sowing seeds in the seedbed, cover them lightly with soil.
育苗箱は、は種床として使える。
A seedling tray can be used as a sowing bed.
苗床 is a nursery bed for young plants after germination, while 播種床 is specifically the bed where seeds are sown.
Compound of 播種 (はしゅ, 'sowing seeds') and 床 (どこ, 'bed').