Summer fruit tree management

Summer is an important period for fruit tree growth. Fruit management in this period has a great influence on the quality of fruit. Therefore, the following problems should be paid attention to in fruit management in summer!
1. tillage and scarification. In the summer high temperature season, should strengthen the orchard management, the garden full of weed Ripper, buried in the soil, in order to avoid competition for water and nutrients and fruit trees. Then ditching and fertilizing, ridging backwater root, enhance soil fertility, increase the soil porosity and water content.
2. furrow fertilization. Fruit trees need to consume a lot of nutrients when they blossom and bear fruit. The dry season should pay attention to strengthening the management of water and fertilizer, can prevent drop leaves, promote fruit enlargement. Fertilizer should be mainly organic fertilizer, with a small amount of nitrogen fertilizer, water pouring. The general adult fruit per plant animal manure application of compost buried 50 kg, at the same time, re watering maturitynightsoil 15 ~ 25 kg, or 0.5 ~ 0.25 kg urea water 15 ~ 25 kg of mixing fertilizer poured into the ditch. In the orchards of phosphorus, potassium and trace elements, appropriate phosphorus, potassium fertilizer and trace elements should be applied to improve the drought resistance of fruit trees.
3. tree dish cover grass. Tests show that the tree cover grass, summer and cool, winter can freeze protection. In the high temperature and drought, grass cover can reduce the temperature of 7 DEG C, reduce soil temperature, prevent sunburn occurrence and control of weeds, the water and fertilizer conservation and improve drought effect etc.. Tree cover grass commonly used straw, wheat straw, dried grass, cut into 10~15 cm long, covering 10~15 cm thick. The grass cover (www.nczfj.com) according to 1.5 ~ 2.5 meters covering plate.
4. pay attention to irrigation. Irrigation is one of the important measures to prevent high temperature and drought from damaging fruit trees. Experiments show that pear and apple can evaporate 40 grams of water per square meter per hour. If the supply of tree is less than 10 grams of water, it will cause drought. In the summer drought, even less water. When the soil is dry and the leaves appear curled and yellow, it should be irrigated in time. The conditional orchard can be irrigated or slightly foggy to prevent high temperature and drought and endanger the fruit trees. Irrigation time should fill the end in the evening to morning, sunny generally every 7 to 10 days with a water stopping irrigation, rain. Irrigation can regulate the body temperature and temperature of fruit trees, increase the content of vitamin C and sugar, and benefit the fruit trees to survive the high temperature season safely.
5., pay attention to pest forecast, timely comprehensive prevention and control. In summer the main pests of red spider, tortrix, aphids, beetles, caterpillars, bugs and other star moth. Common diseases include early defoliation, round rot, anthrax, spot, mosaic, powdery mildew, rust and rot. Insecticide agents often use a decis, MEOTHRIN moth, mites Ling, mieyouniao No. 3, Omethoate and imidacloprid; prevention agents are mainly used polyoxin, M-45, Penncozeb, mancozeb, carbendazim, bacteria will net, zinc and copper, Bordeaux Nongkang 120 etc..

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