一、果实不肥大原因 1.土壤过于干燥;2.肥料不足;3.病虫害严重;4.结果位置离根过近或过远。 二、畸形果发生原因 1.钾肥施用不足;2.植株发育不良而结果位置过远;3.授粉不完全;4.瓜蝇为害。 三、裂果发生原因 1.品种关系;2.土壤水分的激变;3.成熟期灌水过多;4.红蜘蛛为害严重。 First, the fruit is not fat causes 1. The soil is too dry; 2. Fertilizer inadequate; 3. Pest and disease serious; 4. The results of the location from the root too close or too far. Second, the causes of malformation fruit 1. Potassium inadequate application; 2. Plant dysplasia and the result is too far; 3. Pollination is not complete; 4. Melon flies damage. Third, the split fruit causes 1. Variety relations; 2. Soil water changes; 3. Mature irrigation; 4. Red spider damage.