The cultivation of fruit tree greenhouses has become increasingly popular, and tree species, species, planting density, tree shape, and tree structure have been continuously innovating and developing. The adjustment techniques for tree structures of greenhouse fruit trees are described below: I. Planting density If fruit trees such as peaches, plums, and apricots are grown in greenhouses, usually 1-2 varieties are planted in a greenhouse. Suitable strains and row spacing are 1.5 meters in 1 meter and 440 plants per acre. In this way, the canopy of plants in the shed is well ventilated and light-transmitting, and there are fewer ineffective branches in the tree and the fruit quality is excellent. Second, organize the tree At present, the tree shapes of peach, apricot, and plum fruit trees cultivated in some greenhouses are mostly free-spindle or cylindrical. In the production, the height of all the trees in the shed is always the same. The trees in the second half of the shed can see less sunshine. The fruit peasants must not remove the large branches that have the similarity to the center and have similar competition branches. After the fruit is harvested, the main branches and branches are divided. The branches are not short or severe, and they are not allowed to grow. The number of main branches is too large and the cross overlaps are dense. As a result, the canopy closes prematurely, and the resulting parts move outwards quickly. The height of the tree and the crown diameter of the crown have not been controlled in time. Fruiting in the northern half of the tree canopy is poorly colored and cannot mature on time. To solve these problems, the tree structure and tree structure should be adjusted during winter pruning. For a tree whose shape is free-spindle-shaped or cylindrical, it should be left as a center and dry in the center, and grow to the sides with 10-15 main branches staggered, the thickness of the main branch and center stem. The difference should be slightly larger. The main branch angle is adjusted according to the principle of opening the tree structure, trimming the tree shape. Third, trim During the growing period of fruit trees, sparse and topping should be carried out regularly to strictly control the height of the tree and the crown of the tree crown to prevent the outward movement of the resulting parts. The height of the tree should be adjusted to the state of low south and high north, so that the canopy of the northern half can also get sunlight. . When fruit trees are pruned after harvesting fruit every year, the main branches are left to be 10-15 cm long and short cuts are made; the overlapping, overlapping, and dense branches are removed. Portable Sprinkler irrigation system Portable Sprinkler Irrigation System mainly used for Farmland irrigation, fruit and grass irrigation,Sugarcane sprinkler irrigation, power plants precipitation, factory and port dust removal.
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