蕹菜又称通菜、空心菜，传统栽培上以扦插、分株繁殖，浅水、浮水栽培为主。近年来，汕头市在生产中逐步摸索出一套旱地周年直播速生生产技术，实现了周年生产，年可生产１０～１２茬，冬季在简单设施条件下收获３茬、实现冬季６６７m２总产量４０００～４５００kg、创产值７０ Bracts also known as Tong Cai, spinach, the traditional cultivation of cutting, ramets breeding, shallow water, floating-based cultivation. In recent years, Shantou City, in the production gradually developed a fast-drying live production techniques Anniversary Live, to achieve the annual production, the annual production of 10 to 12 stubble winter harvest in simple conditions 3 stubbles, winter 667m2 total output of 4000 ~ 4500kg, a production value of 70