几年来,在进行大量的田间调查和生产实践的基础上,归纳出了影响西瓜正常膨大的4个主要因素,并提出相应的防止对策,供从事西瓜生产的科技工作者和瓜农参考。1.因素分析1.1水肥管理不当,生长生理失调调查中发现,水肥管理不当,造成营养生长和生殖生长失调,是形成西瓜空秧、化瓜、 In the past few years, based on a large number of field surveys and production practices, four main factors that affected the normal expansion of watermelons were summarized and corresponding countermeasures were put forward for reference to scientific and technological workers and melon farmers engaged in watermelon production. 1. Factor Analysis 1.1 improper management of water and fertilizer, growth and physiological disorders found in the survey, improper management of water and fertilizer, resulting in malnutrition and reproductive growth disorders, the formation of watermelon empty seedlings, melon,