Effect of Fertilization on Growth,Nutrient Uptake,Yield and Quality of Melons

【Objective】In order to clarify the different fertilizer treatments on the dry matter quantity,the law of nutrient absorption and utilization,and the characteristics of yield and quality of melon in open cultivation,thus providing theoretical basis for scientific fertilization program. 【Method】The experiment was conducted with Xinmiza No. 36 in this study. The different fertilizer treatments on mature melon organs exposed to dry matter accumulation,nutrient uptake and yield and quality were studied.【Result】The results showed that the differences in dry matter weight in various organs were increased by fertilization application,and photosynthetic products transportation from other organs to fruit was improved. Potassium uptake of melon during maturity stage was the highest,followed by nitrogen,and phosphorus was the least,so it was suggested that this period should be focused on supplement of adequate potash. The content of nitrogen,phosphorus and potassium were assigned to the organs in melon was the highest,which accounted for 1. 5-2. 7 g/strains,1. 2-2. 1 g/strains and 3. 3-5. 9 g/strains. The order of nutrient contribution factor in melon yield on was N P K,【Conclusion】In general,the highest yield of balanced fertilization OPT was 31 223 kg/hm2,which was significantly higher than other treatments,and the content of refractive sugar(edge,heart sugar) were 9%and 13. 3%.