甜菜纸筒育苗移栽是一项高产栽培措施,通常比直播甜菜增产50%以上。此项技术自国外引进以来,在省内甜菜产区逐年得到推广。但由于纸筒育苗技术较复杂,苗床管理稍不善,极易出现病、弱苗和徒长苗,糖农称之为“豆芽菜苗”和“长脖子苗”。此类苗移栽后缓苗慢、成苗率低,严重影响块 Beetle tube seedling transplanting is a high-yielding cultivation measures, usually yield more than 50% more than live beet. Since the introduction of this technology from abroad, beet production in the province has been promoted year by year. However, due to the complex technology of paper tube seedling, seedbed management is not good, prone to disease, weak seedlings and apprentice long seedlings, sugar farmers called “bean sprouts ” and “long neck seedlings ”. Such seedlings slowly slow after transplanting, seedling rate is low, seriously affecting the block