Study on the effect of spraying water-soluble fertilizer of trace element on honey citrus

A test on spraying water-soluble fertilizer of trace element on honey citrus was carried out. The results showed that the yields of honey citrus were significantly increased by 12.97% and 4.13% respectively when spraying 500 mL and 300 mL water soluble fertilizer of trace element; the concentration of sugar increased by 3.03% and 1.40% respectively, and the net income was 967.5 yuan/667 m² (14,512.5 yuan/hm²) and 286.8 yuan/667 m² (4,302.0 yuan/hm²).