As the saying goes: "The orchard is not irrigated in winter, and it is affected by freezing and drought; the orchard is filled with winter water and the beauty of spring is blooming." In the winter when there is less snow, winter irrigation water is stored in the soil, which increases the water content of the soil and prevents winter and The early spring drought occurred. In addition, the increase of water content in the soil is conducive to the absorption of water and nutrients by the root system, thereby increasing the ability of the fruit trees to resist freezing and drought, and avoiding the dry freezing of the fruit trees due to physiological water loss, and ensuring the safe wintering of the fruit trees. Fruit farmers should pay attention to this winter management measure and lay a good foundation for the next year's high yield.
Fruit tree winter irrigation benefits
Improve drought resistance The winter irrigation of fruit trees can promote the release of latent heat and soil water condensation heat, improve the cold resistance of fruit trees, and ensure the safe wintering of fruit trees.
Improve the nutrient level of the tree. Winter irrigation of fruit trees can accelerate the decomposing of organic fertilizer, which is beneficial to the absorption of minerals by roots, increase the accumulation of nutrients in the tree, increase the water content of the soil, prevent spring drought, and improve the yield and quality of fruit trees.
The loose soil does not pass through the autumn turn, and the winter irrigation can make the soil moisture freeze and swell. After the freezing, the surface is loose. After the winter irrigated land, the temperature of the soil in the autumn is suitable and the effect of bacteria accelerates the decay of the broken leaves, which is conducive to improving soil fertility.
Preventing dry winter irrigation and water storage in the soil can not only improve the anti-freezing ability of fruit trees, but also prevent drought in winter and early spring. Winter irrigation increases soil moisture, which can alleviate the contradiction between winter leaf transpiration and water supply, and avoid dry freezing caused by physiological water loss. At the same time, due to the increase of soil water content, it is beneficial to the absorption of water and nutrients by roots, thus increasing the ability of fruit trees to resist freezing and drought.
Eliminate wind erosion and severe winter winds dry, often "wind blowing soil, tree roots dew, freezing damage, trees falling down." The hilly land is light in soil, loose in soil and poor in cohesiveness, while winter irrigation can make the soil moist, with strong winds blowing, moisturizing and antifreeze.
Reducing pests and diseases After winter irrigation, the eggs on the surface of the soil can be washed into ice water and frozen. According to the survey of relevant departments, the incidence of wheat smut smut is less than that of unfilled plots. %about.
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