在蔬菜生产中,合理地轮作与排茬是合理利用土地,提高蔬菜品质,增加经济效益的有效措施。蔬菜轮作与排茬的原则是: 一、要充分有效地利用土壤中各种营养成分的作用根据不同的蔬菜吸收土壤养分不同的原则,可安排需氮较多的叶菜类、需磷较多的果菜类和需钾较多的根茎类进行轮作。这样可以充分利用土壤中的各种养分。根 In vegetable production, reasonable rotation and stubble are effective measures to make rational use of land, improve vegetable quality and increase economic benefits. The principle of vegetable rotation and stubble is: First, we must fully and effectively use the role of various nutrients in the soil According to different principles of soil nutrient absorption of different vegetables, can arrange more nitrogen-requiring leafy vegetables, phosphorus needs more The fruits and vegetables and potassium to be more rhizomes for rotation. This makes full use of the various nutrients in the soil. root