Recently, Zhang Zhicheng, a fruit expert and senior engineer at the Northwest A&F University, reminded fruit farmers to pay attention to and strengthen the management of citrus gardens.
Irrigation and drought resistance After the fall, the citrus orchard should be irrigated depending on the weather. Conditional orchards can be irrigated once in 10 days without rain, keeping the garden soil moist; orchards without irrigation conditions should do early weeding, cultivating and covering work.
Adding foliar fertilizer in August is the turn of the citrus autumn shoots. It can be sprayed with phosphoric acid, dihydrogen potassium and urea mixed fertilizer, or Albit plants to grow estrogen; such as iron deficiency, large mosaic or zinc deficiency When the leaves are small, the ferrous sulfate or zinc sulfate solution is added and sprayed to prevent the yellowing of the leaves.
Selenium supplementation, sweetening and selenium supplementation should be carried out to capture the selenium-enriched sweetener (zinc selenium) in the expansion of young fruit. Dissolved in water, sprayed on the front, back and fruit of the leaves. The amount of the leaves is covered with fog and the amount of dripping is not seen. Generally, the amount of spray per acre in an adult orchard is about 4-6.
Scientific fruit thinning is from August to September. The fruit thinning is mainly to eliminate pests and diseases, deformed fruit, sunburn fruit and so on.
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