蔬菜品种多,生长周期短,复种指数高,科学地安排菜园茬口,可恢复与提高土壤肥力,减轻病虫危害,增加产量,改善品质,是一项极其重要并且有效的农业增产措施。实施蔬菜合理轮作,种植户应注意以下四个要点。1.不同种类的蔬菜轮作同科蔬菜常感染相同病虫害,不同蔬菜合理轮换种植,可使 It is an extremely important and effective measure of increasing agricultural output that vegetable varieties have many short growth cycles and the index of multiple cropping is high. Scientifically arranging vegetable stubble crop can restore and improve soil fertility, reduce pests and diseases, increase yield and improve quality. The implementation of reasonable vegetable rotation, growers should pay attention to the following four points. 1. Different types of vegetable rotation often infected with the same vegetables and pests, vegetables, reasonable rotation of different vegetables can make