Method for freezing, thawing, loosening and ventilating deep soil in orchard
A deep soil, freeze-thaw technology, applied in the field of deep soil ploughing, can solve the problems of ploughing and ventilation, and achieve the effect of promoting gas exchange, increasing oxygen content, reducing mechanical power and artificial consumption
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Embodiment 1
[0015] In an orchard where the soil parent material is limestone, eight "V"-shaped holes 7 were drilled on the outer edge 10 of the crown projection in late October, each hole was 8 cm in diameter and 80 cm in vertical depth; One set in the north, dig a small pit 6 on the north side of the northern opening 5, and pile the excavated soil on the south side of the opening to form a crescent-shaped mound 4 with a concave surface facing north; then pour water into each "V"-shaped hole 7 10 liters; in the following year, with the expansion of the tree canopy, the location of the "V"-shaped hole will be moved outward, and the location of the hole will be moved outward year by year, and the number of holes will be increased to gradually expand the area of deep loosening of the soil.
Embodiment 2
[0017] In areas with relatively sticky soil, in early November, drill 6 "V"-shaped holes 7 on the outer edge of the crown projection of rare trees. Each hole has a diameter of 5 cm and a vertical depth of 60 cm; the two openings of the holes are 50 cm apart. cm, one south and one north, dig a small pit 6 on the north side of the northern opening 5, and the excavated soil is piled up into a crescent-shaped mound 4 with a concave surface facing north on the south side of the opening; Irrigate 5 liters of water in the hole 7; in the following year, the setting position of the "V" shaped hole will be moved outward with the expansion of the tree canopy, and the position of the hole will be moved outward year by year, and the number of holes will be increased, so that the area of deep loosening of the soil will gradually expand.
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