Fruit tree antifreeze has ten methods
According to investigations by relevant departments, in winter, due to the ineffectiveness of antifreeze measures in some orchards, many fruit trees have been frozen and accounted for about 20% of the total number of fruit trees, causing farmers to suffer great economic losses. In order to prevent frost-free fruit trees in winter, reduce losses, and increase the income of farmers, relevant scientific research departments and experts have, through many years of practice, summed up the following 10 new and effective anti-freezing methods for fruit trees, which are used by fruit farmers in other regions (especially in the north). 1. Early application of basal fertilizer is one of the key measures for preventing freezing and increasing efficiency. Therefore, special attention should be paid to the application of orchard basal fertilizer and early application and deep application in order to increase the utilization rate of fertilizer. This is extremely important for the high yield and quality of Zanthoxylum tree, especially for increasing soil temperature and storing nutrients. 2. The main white coating of trunk coating is carried out in late October. The preparation method of whitening agent is 10 parts of quicklime, 1 part of sulfur powder, 1 part of salt, 0.1 part of vegetable oil, 20 parts of clear water, and the main trunk and backbone after mixing. Branch bifurcation. 3. Cover the mulch, cover the saplings of 1-3 years old, cover 1 m square mulch on the tree plate before frost, and then cover 15-20 cm grass on the mulch, which can increase soil temperature and maintain Soil moisture. 4. Roots and stems are earth-bearing at the junction of the ground and the underground parts of the tree before freezing, with a thickness of 20-30 cm, and will be removed in the following year. 5. Before wrapping the tree with large freeze, use a straw rope to wind the main trunk, or the main branch or bundle the trunk with straw, which can effectively prevent the cold current from invading. In the following year, when the spring solution is concentrated in the grass, it can be used to prevent freezing and eliminate the wintering pests. . 6, pre-freeze irrigation 10 days before the big freeze, the winter orchard for a winter irrigation, because the winter irrigation can increase the soil temperature, but also to maintain the soil moisture, so that the soil temperature can be stabilized, both cold and cold water can be used in spring, to prevent the spring drought. 7. Smoked tobacco should be warmed and fumigated at the coldest night in winter. The fuel should be sawdust, firewood, etc. It should be lighted at around 12 o'clock at night. Pay attention to controlling the fire and use dark fire smoke as appropriate. Generally, it is a lot per acre. At 3-4 fire points, it has been determined that the smoke method can increase the temperature by 3 to 4°C. 8, naphthalene acetic acid in the early spring spray naphthalene acetic acid solution can delay the flowering period, escape the hazard of frost. 9, clear the volume of trees snow should be shaken in time after the snow on the tree, and the snow piled up in the root of the tree in order to make the soil increased water insulation. 10. Constructing Shelterbelts Use Shelterbelts to improve the orchard's microclimate, reduce wind speed, suppress droughts, reduce frost damage, and build protective forests.
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