Deep-layer infiltration method for apple orchards at dry highland areas through rainwater collected by tree disks

Abstract

The invention discloses a deep-layer infiltration method for apple orchards at dry highland areas through rainwater collected by tree disks. The deep-layer infiltration method comprises the following steps of selecting orchards; making deep-layer infiltration buckets for the collected by rainwater; trimming tree disks; burying the rainwater collection deep-layer infiltration buckets; and covering black mulching films. The deep-layer infiltration method disclosed by the invention has the beneficial effects that in the deep-layer infiltration method for the apple orchards at the dry highland areas through the rainwater collected by the tree disks, the black mulching films are covered, so that the water content of soil is effectively increased, the spring temperature and the summer temperature of the soil are effectively increased, and the microenvironment of the soil is effectively improved; the infiltration buckets of 40cm are buried, so that the water content of the soil below root layers is increased, the physical properties of the soil are changed, the growing environment of root systems is improved, water consumed for the growth of fruit trees in winter and spring drought seasons are compensated, drought stress on apple trees is small, the yield of a single plant is increased, the quality of 100 leaves of the apple trees is increased, the ratio of new shoots to short shoots is increased, the shape index of the fruit trees is increased, and the appearance of on-year and off-year of the apple trees is effectively prevented; and besides, water in rainy seasons can be effectively accumulated into deep layers, the trans-seasonal utilization of precipitation is realized, and the collected rainwater can also be used as a water soluble fertilizer for irrigation use.

Description

Technical field [0001] The invention relates to the technical field of rain-harvesting cultivation of an apple orchard, in particular to a method for deep-layer infiltration of rain-harvesting in an apple orchard in arid plateau area. Background technique [0002] The average annual precipitation in the Loess Plateau is 300-600mm, of which about 60% are distributed in July, August, and September. The frost-free period is 165 days, the dryness is about 1.5, and spring drought occurs frequently. It belongs to the arid and semi-arid climate, which is a typical rain. Raising agricultural areas. It is one of the dominant apple producing areas in China, and the cultivation of apples mainly depends on natural precipitation. However, the development of fruit tree cultivation has also brought ecological problems-deep soil desiccation, and deep soil desiccation has been recognized by many scholars. The strong transpiration of vegetation not only causes changes in deep soil moisture, but a...

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Problems solved by technology

However, the development of fruit tree cultivation has also brought about ecological problems—soil desiccation in the deep layer, which has been recognized by many scholars. The strong transpiration of vegetation not only leads to changes in deep soil moisture, but also affects the growth of vegetation itself. unfavorable

The surface of the apple orchard is mostly exposed, the growth period is long, the canopy grows large, and the root system penetrates deeply. In severe drought years, the surface water of the orchard is low, which cannot meet the growth and development needs of the apple trees. Therefore, the water consumption of apples extends downward layer by layer. Soil moisture is decreasing year by year, coupled with large surface inefficiency evaporation, so scholars use measures such as surface covering and orchard grass to improve soil moisture status, but precipitation cannot supply deep water, which seriously restricts the sustainable development of agriculture

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