芡实为睡莲科一年生草本植物,干燥成熟种仁可供药用。1.生长习性一般要求深厚肥沃的腐殖质,水位要求比较稳定,播种前后,水位保持在15～60cm,如水位高,水温低,种子均不易发芽。发芽后水位可逐步升高,一般保持在60～150 芡 real Nymphaeaceae annual herb, dry mature kernels for medicinal purposes. 1. Growth Habits General requirements of the rich and fertile humus, water requirements are relatively stable, before and after sowing, the water level remained at 15 ~ 60cm, such as high water level, low water temperature, the seeds are not easy to germinate. Water level after germination can be gradually increased, generally maintained at 60 ~ 150