This year, some pear trees showed different degrees of secondary flowering in October, and the tree vigor was weaker. Next year, the yield and quality of these pear trees will be affected.
Causes of secondary flowering of pear trees usually have three aspects. First, bad weather, second, extensive management, and third, malnutrition. Some pear trees were not harvested with fruit fertilizers. When this year's flowering results encountered rare persistent droughts and severe droughts and floods, they failed to timely apply fertilizer. Some of the flower buds that had been differentiated in the previous year were due to malnutrition in the early spring and should have been opened in the spring. However, it was delayed until the fall.
In order to reduce the loss caused by the second flowering, it is necessary to strengthen the management of pear orchard. Fertilizers in phases, with no fertilizer applied, may be supplemented before the end of November. Each farmhouse will have 3,000 to 4,000 kilograms of farmhouse manure or composted manure, with appropriate amounts of superphosphate and potassium chloride. After 2 years and 3 times of fertilizer application, the new leaves will be developed mainly with nitrogen fertilizer. During fruit enlargement, multiple compound fertilizers will be applied. From July to August, urea and potassium dihydrogen phosphate solution will be sprayed to prevent pests. Thoroughly pruning to maintain the golden tree growth. The prevention and treatment of pests and diseases that are dominated by pear wood and black spot. Clean up dead branches, diseased shoots, and weeds in batches. Deeply turning the soil to promote root growth. Cover grass in pear orchards, preserve fertilizer, and improve soil. Improve irrigation and drainage conditions, clear channels, and ensure that pears can be filled with energy during the growth period.
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