不同叶面肥对柑橘果实品质及产量的影响

探明不同种类叶面肥对柑橘果实品质及产量的影响,为柑橘提质增效提供理论依据。以柑橘品种“宫川”为试材,设置喷施清水（CK）、磷酸二氢钾（T1）、奇茵（T2）及欧甘（T3）4个处理,比较分析各处理对柑橘果实品质及产量的影响。结果表明,不同水溶肥对果实的单果重、纵径、横径及净重差异不显著。喷施叶面肥后,T1、T2、T3的可溶性固形物含量和可滴定酸含量比CK有所增加,但差异不显著。T2的可溶性固形物含量和可滴定酸含量最高,分别为9.39%、0.75%,显著高于CK,可溶性固形物含量比CK提高了14.93%,可滴定酸含量比CK提高了19.05%。T2、T3、T1处理的单株挂果数分别比CK高31.59%、16.28%、4.46%;T2、T3、T1处理的每公顷产量分别比CK高12.96%、6.57%、3.00%。结论：喷施叶面肥能提高柑橘果实品质和产量,T2的综合效果更好。

The effect of different foliar fertilizers on the quality and yield of citrus fruits

Exploring the effects of different types of foliar fertilizers on the quality and yield of citrus fruits, providing a theoretical basis for improving citrus quality and efficiency. Using the citrus variety "Gongchuan" as the experimental material, four treatments were set up, including spraying clear water (CK), potassium dihydrogen phosphate (T1), Qiyin (T2), and Oligosaccharide (T3), to compare and analyze the effects of each treatment on the quality and yield of citrus fruits. The results showed that there was no significant difference in single fruit weight, longitudinal diameter, transverse diameter, and net weight between different water-soluble fertilizers. The contents of soluble solids and titratable acid in T1, T2 and T3 increased after spraying foliar fertilizer, but the difference was not significant. T2 has the highest content of soluble solids and titratable acid, 9.39% and 0.75% respectively, which are significantly higher than CK. The content of soluble solids is 14.93% higher than CK, and the content of titratable acid is 19.05% higher than CK. The number of fruits per plant treated with T2, T3, and T1 was 31.59%, 16.28%, and 4.46% higher than CK, respectively; The yield per hectare of T2, T3, and T1 treatments was 12.96%, 6.57%, and 3.00% higher than CK, respectively. Conclusion: Spraying foliar fertilizer can improve the quality and yield of citrus fruits, and T2 has a better overall effect.