The current sand orange begins to enter the coloring period. It is recommended that the fruit farmers use the following management measures in combination with the actual situation of their own orchards to ensure a good harvest.
I.Improve the weight of single fruit to promote fruit coloring increase fruit sweetness to improve quality to prevent pre-harvest fruit drop: 0.01% Daguang Tosohilsu 7 ml +98% potassium dihydrogen phosphate 30 g water 30 kg in fruit just changed color (with yellow When spraying, apply spray twice a second every 2-3 times.
Second, to strengthen the prevention and control of pests and diseases: The current major diseases are anthrax, scab and fruit peduncle; insect pests are mainly rust spiders (black skin fruit), red spider, fruit sucking tobacco moth and cockroaches these diseases and pests can easily cause pre-harvest fruit drop Can use 25% Prochloraz 1000 times + 5% Alan (thiazolyl) 1000 times + 50% Sulphur Suspension 400 times or 70% Metrate 800 times + 6% Alvi Plus 1000 times Spray once every 10 days or so but stop spraying one month before fruit picking.
Third, the results of excessive fruit, sagging fruit near the ground should be promptly propped up to avoid feeling sick.
Fourth, increase the organic fertilizer: According to the production of generally more than 5 years of high-yielding trees per mu with 100 pounds of cake fat 200 pounds of pigs, cow dung 50 pounds of superphosphate composting maturity in early November.
Fifth, control the winter shoots cut roots to promote flowers: from the middle and late November to the full moon orchard roots can be properly exposed root can be used to turn the clod up when the earth block should pay attention to near the trunk should be shallow to encounter rough root to immediately stop the forced tipping soil Far from the trunk should be smashed 15-25 cm deep after the smashed soil to expose the sun for some time. At the same time, it is advisable to make water with plant leaves in small amounts at sunny noon.
Sixth, anti-mouse protection: In the orchard around the rodent work should be done to set poison bait trapping rats.
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