Apple Garden March Management Points
In March, the temperature has risen. In addition to paying close attention to temperature changes, fruit growers do a good job of preventing late spring, but they also need to do a good job in management, such as inspections, cures and rots, spurs, shorts, shears, fertilizes, etc. jobs.
Continue to check and cure rot
Methods: Scaling application method; Fertilizer smearing method (using biological bacteria and pure soil mixed according to 1:3 ~ 4); Large scars with bridging, with the base root seedlings or stored apple branches bridging.
Infusing sprigs to induce short hair
Method: In accordance with the need to grow Wang branch should be "early, near, deep, long"; need to have short branches should be "late, far, shallow, short" requirements, on the central stem and the main branches of bald areas and Need to update the backbone of large branches, branch groups and sparse branches after the need to grow branchlets, select the bud position above or in front of them with a small hacksaw or hand saw injury deep xylem, carved buds or branches (after the tree peeled) Use "cut abdominal joints" to fill in the air.
Time: from 20-30 days before germination until one week after germination; at the same time, segmental circumcision can also be used to induce short shoots; when the apical buds germinate, the apical buds are inhibited and the apical dominance triggers short branches.
Cut before flowering
During the budding period, the flowers were cut short and the flowering branches were cut off. The old branches and weak flowers were rejuvenated and the flowering branches were maintained at about 30%.
The florescence sequence should be carried out from the elongation stage of the inflorescence to the separation stage. In accordance with fruiting branches ratio of 1 to 3 or 4 or 15 to 25 centimeters, the fruits should be separated and the excessive inflorescences should be removed. However, the fruit rosary leaves must be preserved to the abutment of Liguotai. Flower.
Fertilizer
The orchards that did not use basal fertiliser last fall should be given time before the middle and early months of this month. Mu application rate: 80 kg of potassium sulfate compound fertilizer, 50 kg of special formula fertilizer, and 80 kg of organic fertilizer.
Lazhi
When the sap flowed, the branches were pulled; the trees that were not easy to reach were subjected to strong branching and slow release. The branching angles of different branches were 90 (main branches) to 120 (lateral branches).
Sapling management
The 1-3 year-old saplings advocate ridge cultivation. The arranging of the ridges in the middle and high sides of the saplings is arranged in a manner that is “fish ridge shape†with a height difference of about 15 cm. After top-dressing, the mulch is covered with a mulch, and the conditional orchards are fertilized and watered.
Clear Garden
During the germination period, 48% chlorpyrifos was sprayed with 800-1000 times + 3% azimir salt 2000 times + plant regulator 300 times, or single spray 3 to 4 degrees lime sulfur.
Prevention of lobular disease
The main causes of lobular disease are: lack of zinc, unreasonable fertilization, damage to the structure of the soil, resulting in the inability of zinc to be absorbed, the difficulty of healing due to excessive pruning, and weakening of the tree.
The lobular disease tree can be combined with 0.5% to 1 kilogram per kg of zinc sulfate produced by the base fertilizer; spraying 3% zinc sulfate + 0.5% to 1% urea before germination will be effective in the year.
The root-applied biological bacterial fertilizer can fundamentally improve the soil structure and release nutrients to promote the normal development of the root system and restore the tree vigor.
The one-year plan is spring. Only the management of the apple orchard will be completed in the spring, and it will only be harvested in the harvest season.
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