上海地区火青菜播种时节,正值高温、干旱、台风、暴雨等多种灾害频繁发生的时刻,对火青菜造成很大威胁。如何搞好播种及管理工作十分重要,下面谈谈火青菜栽培技术。一、选择茬口,精细整地火青菜不宜与同科蔬菜连作,必须选择前茬未种过十字花科蔬菜的田块,清除地面杂草杂物,亩施碳铵30—50公斤或大粪30—40担作基肥,免耕,用开沟机开沟作畦,畦 Shanghai fire vegetables planting season, coincides with the high temperature, drought, typhoon, torrential rain and other disasters occur frequently, causing a great threat to fire vegetables. How to do a good job sowing and management is very important, the following talk about fire cabbage cultivation techniques. First, the choice of stubble, fine preparation of fire and green vegetables should not be kept in line with the same type of vegetables must be selected before the crop has not been planted with cruciferous vegetables, remove weeds and debris on the ground, 30-50 kg of ammonium bicarbonate or excrement 30- 40 as a base fertilizer, no tillage, ditching with trencher for 畦, 畦