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林木种子播种和插条后的幼苗抚育管理工作,是人为的调节苗木与圃地环境之间矛盾的一项重要措施,应抓好如下工作:1、灌水:灌水可供给苗木必须的水分和有效地利用土壤中的营养物质,促进幼苗生长。要用太阳晒过的水在早、晚进行灌溉,避免在炎热的中午灌水。灌水量和次数:小苗应少量、多次;大苗可多量、少次。干旱的夏季,针叶树每半个月、阔叶树隔20天灌1次水。8月中旬后应停止灌水,以防贪青徒长,遭受冻害。2、除草松土:除净杂草,防止草、苗争肥争水。疏松土壤,减少地表蒸发,保持土壤水分,改善土壤通气状况。除草
Forest seed sowing and cutting seedling management after the nursery is an important measure to adjust the contradiction between nursery stock and nursery environment, should do the following: 1, irrigation: irrigation seedlings can provide the necessary moisture and effective Use of soil nutrients to promote seedling growth. Use sun-dried water in the morning and evening irrigation, to avoid irrigation in the hot noon. Irrigation volume and frequency: small seedlings should be small, many times; large seedlings can be more, less times. Arid summer, conifers every half a month, broad-leaved trees every 20 days irrigation water. After mid-August, irrigation should be stopped in order to prevent corrupt officials from suffering long frost damage. 2, weeding loosening: In addition to net weeds, to prevent grass, seedling fight water fight. Loose soil, reduce surface evaporation, maintain soil moisture, improve soil aeration. weeding