Recently, Shipan Village, Flea Town, Dadukou District, Chongqing City, has a rich citrus flower. Expert Li Shixiang is explaining the management points of spring citrus for the villagers. He said that citrus is now in full bloom, and after flowering, it is necessary to thank the flower fertilizer to increase citrus yield and enhance citrus quality.
Fertilization and nutrition
Citrus evergreen tree species, citrus germination, flowering, fruiting, etc. all need to consume a lot of nutrients, therefore, according to different growth stages to supplement fruit tree nutrition. "Last year, our village's spring sees less fruit, generally reduced production, this year's citrus flowers opened more. Conversely, the citrus trees with more fruit last year, the amount of flowers this year is less." Li Shixiang said, no matter how much more flowers, If there is less management of Xie Huafei, the yield and quality of citrus will be affected.
Flower fertilizer
"So how should the flower fertilizer be applied? Generally, it can be fertilized in 7 to 10 days after the flowering." Li Shixiang said that Xiehuafei is mainly based on the application of organic fertilizer, combined with the application of quick-acting nitrogen and potassium fertilizer.
Li Shixiang also stressed that when fertilizing, you need to pay attention to a "smart" word, according to the growth of citrus trees to judge how to apply stable fruit fertilizer. If the citrus with many fruits and weak trees last year, it must be fertilized in a timely manner. Each citrus adopts farmyard manure, and applies high-quality 45% sulfur-containing compound fertilizer 300-800 g, and excavates radial sulcus 20-40 cm deep application. Topdressing 0.5% urea, plus 0.2% potassium dihydrogen phosphate; if the citrus leaves are dark green, the tree is strong, and the fruit is less than last year, it can be applied less or not, but at the same time, the trace element magnesium should be properly supplemented. , zinc, boron, etc.
“Xiehuafei after flowering can also apply high-nitrogen citrus-specific formula fertilizer to timely supplement the nutrients consumed during flowering.†Li Shixiang said that in addition to applying Xiehua fertilizer, spring citrus should also pay attention to the elimination of water in low-lying citrus orchards and avoid After the rain, the accumulated water affects the root growth, causing the flowers to fall.
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