在北京地区2月中旬前后播种的番茄,经过60—70天的苗床管理,已经长出8—9片叶,第一花序已经出现,谷雨节前后(4月的中下旬)露地断霜,即可定植番茄。一、定植(一)地块的选择:危害番茄的病害较多,有的病原菌是随番茄植株的残体潜入土壤,成为再次发病的侵染源。所以种植番茄忌连作,应该实行3—5年的轮作,对减少病害有很好 Tomatoes planted around mid-February in Beijing have grown from 8 to 9 leaves after 60-70 days of seedling management. The first inflorescence has emerged. Before and after the Valley Rain Festival (late April) Can be planted tomatoes. First, the planting (A) the choice of plots: more harmful to tomato disease, and some pathogens with the tomato plant into the soil, become the source of infection again. So planting tomato avoidance, should be implemented 3-5 years of rotation, to reduce disease is very good