蔬菜种子的新陈,对蔬菜的生长有着密切关系。有的蔬菜必须种新籽,有的必须种陈籽。春季是蔬菜下种育苗的季节,为了搞好蔬菜生产,谈谈一些常用菜籽的有效期限和新陈鉴别方法。西红柿 The new vegetable seeds, the growth of vegetables is closely related. Some vegetables must be planted with new seeds, and some must be seeded. Spring is the season of growing vegetables under the season, in order to improve vegetable production, talk about some of the commonly used rapeseed expiration date and new identification methods. tomato