我国菜豆栽培普遍采用直播方式,育苗移栽者甚少。日本近年来开始采取断根扦插育苗方法。据田中喜市报导,认为断根扦插塑料钵育苗法比未断根塑料钵育苗法、苗床移栽育苗法、塑料钵直播育苗法,单株产量可提高10一20％左右。这种育苗方法除提高产量外,还可以大大提早下货期。由于提早下货,前期产量高,产值必将大幅度增 China’s bean cultivation commonly used direct broadcast method, transplanting little seedlings. In recent years, Japan has taken root cuttage nursery method. According to Tianzhong City reported that cut the root cuttings plastic pot nursery law than no root plastic pot nursery law, seedbed transplanting nursery law, plastic pot live nursery method, the yield per plant can be increased by about 10 to 20%. This method of raising seedlings in addition to raising production, but also can be much earlier delivery period. As early as the next cargo, early high output, output will increase substantially