甜菜是２年生草本藜科甜菜属糖料作物，从播种到种根收获直到新种子的成熟和收获，在自然条件下需要２年才能完成其生活史。种根经过冬季贮藏，第２年栽植田间，重新长出叶丛和根系，然后抽薹开花，形成新的种子。１种根收获１．１收获时期根据我省的气候条件，９月中下旬即可 Beet is a biennial herbaceous sugarbeet sugarbeet crop, from sowing to planting roots until new seeds mature and harvest, and take two years under natural conditions to complete their life history. After the roots are stored in winter, they are planted in the field for the second year and the leaves and roots are regrouped. Then the seeds are bolted and flowed to form new seeds. 1 kinds of root harvest 1.1 Harvest period According to the weather conditions in our province, in late September can be