Plastic cutting

The orchards that have not completed winter pruning should be combined with pre-flower cutting to finish the fine pruning of the resulting branches as soon as possible.

Cleaning up pests and branches

The thick branches cut during winter cutting, especially the branches of pests and diseases, must be completely cleared out of the park, with the trapping of insect traps, grass handles, and scraped rough old skins, rots, and ring veins. When spraying the first time on the tree in spring, spray the ground carefully and thoroughly sterilize.

Rational fertilization

1. In the fall of the previous year, the orchard without basal fertilization was supplemented with basal fertilizer in the spring, and organic fertilizers such as soil miscellaneous fertilizers, circulatory fertilizers and chicken manure were mainly used, and a small amount of nitrogen fertilizer was added. Mature fruit trees are usually applied with 100-200 kg of organic fertilizer and 0.5 kg of urea. Each young plant is fed with 50 kg of organic fertilizer and 0.3 kg of urea. This fertilizer can be used instead of pre-fertilization.

2, the amount of fertilizer should be based on the age, tree vigor, estimated bagging amount to determine; weak trees, trees with large yields, to properly increase 1 to 2 kg of compound fertilizer.

3. The fertilization method should be guttering, circular guttering or acupuncture, and the depth should be 20-30 cm. It is advisable to mix well and prevent soil burning. After the fertilization, the black mulch was placed under the tree and the soil was warmed to increase the utilization of fertilizer. When the soil is too dry, water it properly.

4. The effect of green biological bacterial fertilizer, metalaxyl manganese zinc, and top-quality cyprodin to control root rot is excellent, which can significantly reduce the occurrence of rot and virus mosaics and rust.

5. An orchard with physiologic diseases such as lobular disease sprays 0.3% to 0.5% of zinc sulfate or a chelating agent containing zinc and iron before germination to flowering.

Pest control

1. Carry out meticulous and comprehensive inspections on the whole garden, scrape away the diseased tissue that has been rotted and burned or buried in time, and then smear it with agents such as cystathine, urushiling or golden rot paste. Scratching the wounds requires scraping the cortex of the rot with a knife to form a ribbed shape to facilitate wound healing.

2. Before sprouting, spray golden rot or 4~5 bumeido lime sulfur mixture on the whole tree, request the tree, under the tree, spray on the ground, prevent rot, powdery mildew, red spider, scale insect and so on. It is also possible to use 52.5% chlorpyrifos EC 800 times or 2.2% AVS suspension 2000 times or BT 500 times + 10% Difenoconazole or 70% RenoRexo 1000x mixture instead.

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