四、苗期管理种子发育成小苗后,浇水应见干见湿,且不能使土表积水。浇水时间务必选在早晨。露地播种,采用控制播种期的方法,以确保上午10时及下午2时左右,幼苗处于最适生长温度,中午可采用遮阴、通风、流水等方法,降低环境温度。温差大的地区,夜间需加保护措施。保护地内白天温度超过25℃以上需要换气,换气口应远离幼苗,以免受害。一、二年生草花多数都需移植,移植床土可用播种土,亦可用园土加腐熟的堆肥。移植一般在阴天或傍晚进行,间距依苗大小而 Fourth, the seedling management Seed development into small seedlings, the watering should see dry see the wet, and can not make surface water. Watering time must be selected in the morning. Open-field planting, using the method of controlling the sowing period, to ensure that 10 o’clock and 2 o’clock in the afternoon, the seedlings in the optimum growth temperature, noon can shade, ventilation, water and other methods to reduce the ambient temperature. Large temperature difference between the area at night, plus protection measures. Protection of the daytime temperatures above 25 ℃ need ventilation, ventilation port away from seedlings, so as to avoid injury. First, the majority of biennial plants need to be transplanted, transplanting bed soil available sowing soil can also be used to compost composting rotten soil. Transplants generally cloudy or evening, according to the size of seedlings and space