食用仙人掌为仙人掌科、仙人掌属植物,高可达2～3米,生长期长达10～15年,我国南方冬季温度保持在0℃以上可露天种植,北方寒冷时可采用大棚种植。仙人掌一年四季均可栽培,以春、夏栽培最佳。其栽培要点如下: 1.大田、大棚栽培 (1)宜选择背风向阳、有排水条件的中性土壤,尤以沙壤土栽培最佳。种植前将地块深耙平整,开好排水沟,做到土质疏松,土壤透气性良好。(2)购种苗后,先在河沙里假植,然后一次浇足水,过1～2周待其生根后,迅速移植到大田。栽培时以掌片1/2埋入土中为宜,按行距80厘米、株距35厘米栽植。667平方米栽2000片左右,初种要浇足定根水,成活后每月施肥两次,平时土壤15厘米以下捏不成团时即浇水。如因浇水过多烂根,可切除腐烂部分,晾干伤口后再种。 Cactus edible cactus, cactus genus, up to 2 to 3 meters, the growing period of up to 10 to 15 years in southern China in winter temperatures above 0 ℃ can be planted in the open, the northern cold can be planted in greenhouses. Cactus can be cultivated throughout the year, spring and summer cultivation best. The cultivation points are as follows: 1. Field, greenhouse cultivation (1) should choose the leeward sunny, with neutral soil drainage conditions, especially sandy loam cultivation best. Before planting, the plot will be raked for a long time and a good drainage ditch will be formed to make the soil loose and the soil breathable well. (2) After the seedlings are purchased, the plants are first planted in the river sand and then poured enough water for one to two weeks to be rooted and quickly transplanted to the field. Cultivation to palm 1/2 buried in the soil is appropriate, according to row spacing 80 cm, 35 cm plant spacing. 667 square meters planted about 2000, the first kind of watering enough to set the root of water, fertilizers twice a month after living, usually 15 cm below the soil when the pinch does not form a group that is watering. As a result of too much water rotten roots, can be removed rotten part, dry the wound and then planted.