Summer management techniques of big cherry trees
Summer is the key period for the growth of cherry trees, and diseases and insect pests are also easy to occur. Therefore, fruit growers should pay attention to the management of cherry trees in summer. Do the following points can make the cherry tree smooth through the summer this life long. Summer cherry trees grow vigorously, too many leaves and branches on the next year's fruit has a certain impact. Therefore, when the annual branches grow to more than 25 cm, they should be removed in time. The topping must be repeated to control the growth of the tree. Summer is also the key season for large cherry trees to pull branches. All trees that do not bear fruit or bear less fruit are caused by inadequate pulling of branches. The angle between main branch and trunk should be controlled at 90°, 70° or 80°. Branching begins in June and ends in late August. In addition, pull branches should not use plastic rope, summer cherry tomato thinning leaves to reasonably recommend the use of hemp rope or other rope. Disease control summer or cherry tree diseases and insect pests occurred in large numbers. Especially in recent rainfall increased, cherry tree leaf diseases and insect pests occurred more serious. Leaf diseases mainly include brown spot and black spot. The main method of prevention is to spray carbendazim or mancozeb in time before 10 a.m. or after 4 p.m. on sunny days.
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Greenhouse Management Technology of Big Cherry
1. Soil, fertilizer and water management Big Cherry belongs to shallow root tree species, and the root system is breathing vigorously, so it is necessary to meet the requirements of water, fertilizer, gas and heat for root growth as far as possible. Each growing season should be ploughed at least 4-5 times, and the suitable depth of 5~10cm is to weed and preserve soil moisture, so as to activate the soil and enhance its permeability. It is necessary to enter after harvest.
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It is the right time for big cherry to apply base fertilizer in autumn.
When it comes to the essentials of applying base fertilizer in autumn, we should first highlight the word "early". It is generally carried out from September to October, but the effect of early application in September is the best. Because, during this period, the soil temperature is relatively high, the root system absorbs fertilizer for a long time, and the absorption rate is also fast. Grasp the fertilization time, but also increase the amount of fertilizer.
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