在南沙群岛海礁上利用楼顶循环水培设施及立体循环水培架栽培蔬菜，１ｍ２可生产蔬菜４．２８ｋｇ，生长周期２５ｄ。该设施具有良好的抗高温、台风、暴雨、空气高盐份性能。在不同季节可栽培各种叶菜类蔬菜，培养苗龄以蔬菜生育期而定，生育期长的以１５ｄ为宜，短的以１０ｄ为宜，定植密度为１０ｃｍ×１０ｃｍ。 In the Nansha Islands reefs using the roof of the circulating water culture facilities and three-dimensional water circulation cultivation of vegetables, 1m2 can produce 4.28kg vegetables, the growth cycle of 25d. The facility has good resistance to high temperature, typhoon, storm, air salt performance. In different seasons can grow a variety of leafy vegetables, seedling age to vegetable growth period may be determined, the growth period of 15d is appropriate, short to 10d appropriate, planting density of 10cm × 10cm.