Pay attention to dressing after an orchard drought

According to the present situation of high temperature and drought of fruit trees in our province, the provincial fruit industry technical system proposes the following recommendations for reference by the majority of farmers.

Watering measures. When watering an orchard, the first priority is to water trees with severe drought, followed by excellent resources. Second, it should be drip irrigation, furrow irrigation, hole irrigation and other methods, it is best to avoid watering at noon, avoid flooding irrigation, so as not to cause cracking and fruit drop and other phenomena. Third, it is best to simply cover with straw or weeds after irrigation to reduce water evaporation.

Harvest fruit. Immediately harvest fruit that is near mature; appropriate fruit thinning for unripe fruit with too much fruit.

Post-disaster management. The first was heavy rain after the drought. Do a good job of drainage preparation, do not make water in the garden, and at the same time prevent the danger of strong winds, tighten the bracket room. The second is the appropriate amount of rainfall after the drought. After the rain, it is best to combine shallow weeding with a hoe. The third is top dressing. After the tree is damaged by the drought, the ability to absorb fertilizer and water is weak. It is not appropriate to immediately apply the root fertilizer. 0.1% to 0.2% of potassium dihydrogen phosphate, 0.2% urea, etc. can be used for foliar dressing, spraying every 5 days or so. Once, spray twice. The fourth is to prevent diseases. If the continuous rainfall after high temperature, pests and diseases easily occur, can spray 80% mancozeb (such as Dasheng M-45) WP 800 times +0.3% matrine water 800 -1000 times liquid +1.8% A Vermillion 3000 times solution.

Pay attention to building a garden. One is to rationally plan and set up an orchard irrigation and drainage system so that the drought can be poured and the water can be discharged. The second is to improve and construct the orchard water and fertilizer integration facilities. The third is to promote soil management measures such as grass cultivation or covering in orchards, regulate the microclimate of orchards, and enhance the ability of fruit trees to resist drought.

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