一、生育过程1、甜菜的生育过程甜菜播种后,经过一定的时间即发芽,子叶出土。发芽需要的日数,根据土壤湿度、温度、复土厚度等因子的不同而不同。一般在塑料棚内纸筒育苗的情况下,需要一星期左右;在直播的情况下,需要两星期左右的时间。根据试验结果,甜菜发芽所需要的 First, the fertility process 1, the growth process of sugar beet Beet sowing, after a certain period of time that germination, cotyledons unearthed. The number of days required for germination varies according to factors such as soil moisture, temperature, and thickness of soil. Generally in the plastic shed paperboard nursery circumstances, about a week or so; in the case of live, it takes about two weeks time. According to the test results, beets germinate as needed