Key points of Post-harvest Management of Sugar Citrus

The year is close to the time when sugar orange harvest is on the market, but now that the year has passed and sugar orange has been harvested, it is time to start orchard management after harvest, which is related to the output of the coming year. So how to manage the sugar orange harvest? Let's get to know it.

1. Spray to clear the garden

In the low temperature environment is not conducive to the growth of diseases and insect pests, when the vitality of diseases and insect pests is poor, mostly concentrated together, convenient control, and the best effect. There are many diseases and insect pests before overwintering, according to the occurrence of these diseases and insect pests, choose effective agents for reproduction, and overwintering diseases and insect pests have strong resistance, so it is necessary to use insecticides with strong killing power and small quick effect. The appropriate medicament should be selected according to the variety, tree age, climatic conditions and the occurrence of diseases and insect pests, spray the branches and leaves evenly in the suitable weather, combined with foliar fertilizer to quickly maintain nutrients and restore the tree potential.

2. Shaping and pruning

After the first spraying, before sprouting in spring, the plants should be pruned. When pruning, the branches, leaves and fruits of diseases and pests should be trimmed together. At the same time, the surrounding areas of the garden should be cleaned up. After cleaning the ground, they should be taken out of the garden and burned together to eliminate the overwintering places of diseases and insect pests and reduce the sources of diseases and insect pests. After pruning, the healing agent should be applied in time to close the wound and protect it from being invaded by germs. To comprehensively remove weeds and parasitic plants, the use of large branch pruning technology, reduce the height of the crown, thinning too dense or cross branches, to create a tree shape with good permeability and three-dimensional fruit.

3. Topdressing

The winter fertilizer before and after fruit harvest is also called Yuezi fertilizer, which can restore the tree potential as soon as possible, has excellent leaf protection effect, and can prolong the leaf life, avoid early defoliation, and ensure stable and high yield in the coming year. After fruit picking, combined with spraying to clear the garden, spraying foliar fertilizer to supplement nutrients to the plant, which can improve the stress resistance of the plant and promote flower bud differentiation. The winter fertilizer is mainly organic fertilizer, combined with appropriate amount of compound fertilizer and micro-fertilizer, which can increase the soil temperature, make the roots survive the winter smoothly, and contribute to the accumulation of plant nutrients and flower bud differentiation in the coming year. After fruit harvest, quick-acting meltwater fertilizer should be applied 1-2 times before flowering, mainly water-soluble fertilizer rich in humic acid, amino acid and Colgate.

The above is the introduction of the main points of post-harvest management of sugar orange. I hope it can help you. If you want to know more about it, please follow us.