How to fertilize orange trees

Now many friends like to plant bonsai at home, and the most familiar thing is potted oranges. Whenever small oranges hang all over the branches, it adds a certain degree of beauty to the family. So, how to fertilize bonsai orange trees?

First, how to apply fertilizer to bonsai orange trees

The main results are as follows: 1. To promote flower fertilizer, when the bud is white, apply peanut bran 10g 25g plus water fertilizer.

2. The general plant of Xiehua fertilizer was treated with 10-25g peanut bran. This fertilizer should be careful to apply N fertilizer, strong trees, few fruit trees little or no pure N fertilizer.

3. When the young fruit is the size of soybean, after the second physiological fruit drop, the plant is fertilized with 10-25 g peanut bran.

4. 20-30g peanut bran was applied to promote shoot and strong fruit fertilizer in August.

What kind of fertilizer is used in orange trees

The main results are as follows: (1) the principle of fertilization: the needs of nutrient elements of blood orange should be fully met, and more organic fertilizer, rational application of inorganic fertilizer and formula fertilizer should be advocated. Fertilization was guided according to the results of leaf analysis, orchard soil fruit, blood orange phenology and so on.

(2) fertilization method: soil fertilizer donor, combined with foliar fertilization. The methods of ring ditch application, furrow application, hole application and soil surface fertilizer application were adopted.

(3) fertilization for young trees: frequent application of thin fertilizer, mainly nitrogen, combined with phosphorus and potassium fertilizer, 5-6 times in spring, summer and autumn shoot emergence period, March, May, June, July, September and December, 0.4 jin of carbon or 0.2 jin of urea per plant. 1-3 Young Geng trees apply 100-400g pure nitrogen per tree per year, and the ratio of nitrogen, phosphorus and potassium is 1.0: (0.4-0.5): 1.0. Trees apply fertilizer four times a year, that is, sprouting fertilizer, fruit protection fertilizer, strong fruit fertilizer and fruit picking fertilizer. The amount of fertilizer application is generally 2-3 jin of budding fertilizer, 1 load of water, 1-2 jin of phosphate and potash fertilizer + 1 jin of chemical fertilizer, and 1-2 jin of chemical fertilizer + 1-2 jin of phosphate fertilizer.