论文部分内容阅读
西瓜原产于非洲撒哈拉大沙漠,公元一世纪时由丝绸之路传入我国。西瓜汁多、味甜、性凉,为夏季广大群众所喜爱的消暑佳品,也是治血痢、解酒毒、利尿的良药。现将西瓜的特征特性与栽培技术介绍如下: 一、植物学性状 1.根;由主根、多次侧根和根毛所组成。主根向下扎可达1.2—1.5米,向两边伸展的水平侧根多超过1.5米,最长可达3—5米。种瓜时应适当放宽行间距离,使侧根有足够的伸展范围。
Watermelon native to the Sahara Desert in Africa, the first century AD by the Silk Road into China. Watermelon juicy, sweet, cool, summer favorite for the vast number of people Summerberry, is also a hemorrhoids, hangover, diuretic medicine. The watermelon characteristics and cultivation techniques are introduced as follows: First, the botanical traits 1. Root; root, multiple lateral root and root hair. The main root down to tie up to 1.2-1.5 meters, stretching to both sides of the lateral root more than 1.5 meters, up to 3-5 meters. When planting melon should be appropriate to relax the distance between the lines, so that the lateral root has enough stretching range.