November-12 December Navel Orange Cultivation Management Points

First, the navel orange cultivation management points in November

In November, navel oranges are in the stage of fruit ripening and flower bud differentiation. The main points of cultivation and management are as follows:

Adult trees: 1Plant fertilizer for early harvesting: 40-50 kilograms of each manure water, or 0.25 kilograms of compound fertilizer and 0.2 kilograms of urea per excavation. 2 Harvest in the middle and late, implement one fruit and two crops and apply harvesting fruit bags and fruit transfer boxes to improve the quality of harvesting. 3 Do a good job of fruit grading, packaging, storage and sales. 4Following foliar fertilizer application timely after fruit picking, spraying F-phytate calcium, a nutrient organic nutrient solution, for 1-2 times, supplementing tree nutrients, preventing post-harvest abnormal leaves, and improving frost resistance. After a large number of fruit picking, the water should be timely irrigated. If there is no irrigation condition, water should be poured on the tree to avoid falling leaves. 5 The base fertilizer should be completed in time after the fruit is harvested. Beginning main branch brush white antifreeze work, whitening agent formula: 30-50 times crystal lime sulfur + lime slurry + 0.3% -0.5% salt.

Young trees: 1 continue to expand points and fertilize. 2 Strengthen the management of fertilizer and water in autumn trees. 3 Strengthen winter green manure management. In the middle of the 4th, complete the whitening of the young trees or the antifreeze work of the sod. In the middle of the 5th season, the winter fertilizer application was completed. In the canopy drip line outside the ditch depth of 30 cm or so, the strain applied bio-organic fertilizer 1-1.52 kilograms or high-quality cake fertilizer 1.5-2.5 kilograms plus calcium magnesium phosphate 1 kilogram.

Pest control: 1 螨 serious orchard (especially rust wall niche), after the fruit is sprayed a spray acaricide anti-rust niches destroyed before the winter, and cure red spider, available annihilation, rejection 螨 large. 2 Continue to prevent and control the damage of fruit sucking moths and whiteflies. 3 Preservation of stored fruits in time, anti-corrosion treatment, full of sweat, comprehensive promotion of single fruit bagging and simple storage technology, fruit preservation can be used to wear Preservatives 1000ppm +2.4-D200-250ppm and other preservatives.

Second, the navel orange cultivation management points in December

In December, navel orange was in the post-harvest flower bud differentiation and relative dormancy period. The main cultivation and management points are as follows:

Adult trees: 1 cut off pests, dead branches, concentrated burns or deep burial. 2 Eradicate weeds in the garden and deepen the garden soil. 3 Do a good job of tree mulching, tree trunk whitening and other cold and freezing work. 4 Spray F-phytate, amino acid and other organic nutrient liquids to protect leaves in time.

Young trees: 1 continue to expand points and fertilize. 2 Cut off pests, branches, dead branches, and dense branches. Take advantage of the short branches. 3 Strengthen the management of the nutrition bag (篓) seedling seedlings, can be erected to prevent freezing and cold. 4 Focus on trunk whitening, earthworms, straw cover and other antifreeze work.

Pest control: 1 Remove the branches and branches of the pests, dead branches, and defoliants. 2 Spraying wave 0.8-1 degree lime sulfur agent. The whole garden sprayed once with 2%-5% ferrous sulfate solution, or 73% Kete EC 2000-3000 times solution +99.1% enemy dead insect 200-500 times solution. 3 蚧 serious garden, spray pine alkali mixture once, eliminate overwintering insect sources.

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