Skillful fertilization for planting peach trees with excellent fruit and high yield

The price of peach has been rising this year, which has aroused the enthusiasm of growing peaches, but don't forget to apply fertilizer skillfully when your income is high. Fertilizer is the basis of high yield, and it is the key to do a good job of fertilizing peach trees all the year round in order to have good fruit and high yield in the coming year. The utilization rates of nitrogen, phosphorus and potassium in peach trees were 50%, 25% and 40%, respectively. Leaf analysis method and field experience can be used to determine the amount and times of fertilizer application in the whole year. It also needs 250-300 grams of nitrogen, 150-200 grams of phosphorus and 300-350 grams of potassium to produce 50 kilograms of fresh fruit. This standard is used to determine the amount of fertilizer applied in the whole year. With the increase of yield and the expansion of tree crown, the amount of fertilizer application can be increased year by year.

It can be skillfully applied by stages and well matched with nutrient fertilizer, such as big three-yuan organic and inorganic biological fertilizer, which combines the advantages of several kinds of beneficial microbial bacterial fertilizer and organic fertilizer and inorganic fertilizer, overcomes the disadvantage of single use, and has been used in Weinan and Guanzhong Plain for many years. it has laid a good foundation for high quality and high yield of peach trees, and it is also an ideal fertilizer.

First, skillfully applying base fertilizer: autumn application is better than spring application, and early autumn application is better than late autumn and winter application. The ground temperature is high in early autumn, cutting off the root system is beneficial to healing and growth, the root absorbs more nutrients and accumulates more nutrients, and the decomposition of base fertilizer increases the ground temperature, stores nutrients and reduces the occurrence of freezing injury, especially the serious freezing of peach trees in spring has a lot to do with fertilization. It can also reduce the serious fruit drop after flowering. It is better to apply fertilizer year after year than to apply fertilizer every other year, to meet nutrition and avoid the occurrence of big and small years. According to the above standards, plus various losses, absorb 2500 kg of peach per mu, requiring 17-20 kg of pure nitrogen, 10-14 kg of phosphorus and 30-39 kg of potassium. It is recommended to apply large ternary organic and inorganic biological fertilizer, which is 20% of beneficial microorganisms and organic matter and 25% of nitrogen. it is necessary to apply 120-160 kg per mu as base fertilizer, and 1.5-4 kg of plant can be applied according to planting density per mu.

Second, topdressing: in the anniversary of one year's growth, topdressing by stages is indispensable.

(1) topdressing after anthesis: one week after anthesis, it is beneficial to increase the rate of fruit setting and the growth of new shoots, and the plant applies 1-1.5 kg of three-yuan fertilizer.

(2) topdressing in hard nucleus stage: supply the development of embryo, promote early hardening, which is beneficial to the aging of new shoots and accumulate nutrients needed for flower bud formation. Mainly phosphorus and potassium, silicon-calcium-magnesium-potassium fertilizer or potassium sulfate fertilizer can be used to reduce the amount of nitrogen fertilizer, 1.5-3 kg can be applied to the plant.

(3) topdressing before harvest: improve fruit quality, fruit growth, sugar content and chromaticity. Take big three yuan biological fertilizer or potassium sulfate mainly, the plant applies big three yuan 1-2 kg or potassium sulfate fertilizer 1-1.5 kg.

(4) Postharvest topdressing: especially for middle and late varieties, it is necessary to restore tree potential and increase nutrition in the body, so as to lay the foundation for high yield in the coming year. It is mainly composed of big ternary organic and inorganic biological fertilizer, with 1.5-2 kg per plant.

Topdressing is flexible in terms of yield and tree potential, but topdressing is not less than 2-3 times a year.

Third, extra-root fertilizer spraying: less fertilizer, quick effect, can choose fruit friends amino acid or calcium lactate 400-600 times liquid, can directly supply the protein and organic nutrition needed by peach trees, enhance fruit firmness and storability.

The annual supply of nutrients for peach trees is the key to improve the yield and quality of peach trees. Peach growers apply fertilizer scientifically to achieve good benefits in your peach orchard.