水芹产量高而稳定,病虫害少,受天气条件影响不大,容易培育成无公害食品。一般每亩(1亩=667平方米,下同)产量在3000千克左右,高产田块可达5000千克以上。1·茬口选择选择土壤肥沃,保水保肥性能好,排灌方便的浅水藕田、春玉米田、早大豆田等茬口较为适宜。2·整地施肥播种前7~10 Cress yield high and stable, less pests and diseases, little affected by the weather conditions, easy to cultivate into pollution-free food. General per acre (1 mu = 667 square meters, the same below) the output of about 3000 kilograms, high-yield plots up to 5000 kilograms. 1. Selection of stubble Crops with suitable soil fertility, good water and fertilizer conservation performance, and shallow irrigation and drainage fields convenient for drainage and irrigation, spring corn fields and early soybean fields are more suitable. 2 · Site Preparation and Fertilization 7 ~ 10 before sowing