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Fruit trees antifreeze should adopt three methods
Physical method 1 Covering crop straws, leaves, etc. between the rows of fruit trees, which can both protect the soil and increase the temperature of the ground; 2 Laying the mulch in a range of 1 meter around the fruit trees; 3 Combining winter plowing to cultivate the fruit trees, 15 centimeters around the roots. Soil; 4 Before the big freeze comes, wrap the trunk, main branch or the trunk of the main trunk with straw rope; 5 shake off the snow on the tree in time after heavy snowfall. Ecological method 1 irrigation antifreeze method. Before freezing, the soil is “frozen in the night†when the orchards are filled, which can not only be used for winter water spring, prevent spring drought, promote the growth and development of fruit trees, but also can store water temperature to ensure that the ground temperature remains relatively stable during the winter, thus Reduce cold injury. 2 smoke smoke antifreeze method. The law should be adopted during the coldest night in winter. It is better to use sawdust, oyster shells and crushed straw for fuel. Normally it ignites around midnight, and it is advisable to control the fire and use dark smoke as an appropriate point. Each mu of orchard has 3 to 4 burning points so that the smoke will cover the whole park. The chemical method artificially sprays chemical agents with certain functions before the occurrence of low-temperature freezing injury, which can delay the flowering period of fruit trees and increase the concentration of tree sap, thus enhancing the cold resistance. If naphthalene acetic acid is sprayed in early spring, the flowering period of fruit trees can be delayed for more than 5 days to prevent freezing damage.