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定期喷施过磷酸钙防治番茄脐腐病番茄脐腐病是由于水分供应失调或缺钙而引起的一种生理性病害。近年来我区发生严重，有些菜园的植株发病率高达５０％，直接影响了菜农的经济收入和市场供应。防治此病除在管理上保证水分的均衡供应（特别在初夏温度急剧上升时注意水分供给...
Regular spraying of calcium phosphate control tomato umbilical rot tomato umbilical rot disease is due to water supply disorders or calcium deficiency caused by a physiological disease. In recent years, serious problems occurred in our district. The incidence of some vegetable gardens in some areas is as high as 50%, which directly affects the economic income and market supply of vegetable farmers. In addition to the prevention and treatment of disease in the management to ensure a balanced supply of water (especially in early summer when the temperature rises sharply pay attention to water supply ...