番茄发生早衰的主要原因有连年种植、不合理施肥、育苗措施不当、药害等。为了防治早衰,要明确早衰的原因并适时防治。一、增施有机肥和菌肥根据番茄需肥特点和氮、磷、钾肥料的特性,在保证番茄生长所需三元素的情况下,适当增施腐熟的有机肥、生物菌肥及微量元素,增加土壤有机质,改善土壤通透性,给番茄根系的生长创造良好连年 The main causes of premature failure of tomatoes are planted year after year, irrational fertilization, improper breeding measures, such as phytotoxicity. In order to prevent premature senility, to identify the cause of premature aging and timely prevention and treatment. First, the additional organic fertilizer and bactericides According to tomato fertilizer characteristics and characteristics of nitrogen, phosphorus and potassium fertilizers to ensure the growth of tomatoes in the three elements required by the appropriate addition of decomposed organic fertilizer, microbial fertilizer and trace elements , Increase soil organic matter, improve soil permeability, to create a good year for tomato root growth