Winter jujube has thin, crisp, small nuclear, high sweetness and unique quality, more and more people's favor, so the market is in short supply. However, due to the improper management of the Zaoyuan, the yields and benefits are not ideal. To this end, summing up many years of experience, we will introduce an early high-yield management technology that was planted and then produced 300 kg per mu that year. First, the management of seedlings after planting in time to white, in the freezing before pouring a frozen water, and then pile up the base of the trunk 30 cm high mound, tied to the trunk on the grass, anti-freeze and rabbit bites. Second, after the spring management of soil thawing, the lifting of the grass handle, 2-3 times to remove the mound, rowing, covering the trunk as the center of 1 m square film, in order to increase the temperature, maintain soil moisture, in order to facilitate the survival of winter jujube. Third, jujube tree sap management after the flow of the trunk to the line between the pull and bend (in order to prevent grafting split interface, can be tied at the joints of small bamboo pole fixed), pull and bend the angle of 120 degrees, and then remove the jujube head. At the highest point after the main bending, select a strong main bud that is built on the main trunk, cut off the secondary branch that is above the main bud, and use it as the center stem to grow, and then select the appropriate two strong points under it. After buds and secondary branches are cut off, the buds are carved at 1 cm above them, and the secondary branches below 40 cm in size are also cut off. When the secondary branches are cut off, 1 cm stakes are left and the secondary branches are cut out. Seal with wax to prevent draining and affect the growth of the main bud. IV. Management of jujube trees after germination The germination buds outside the center stem and the two main branches must be erased in time to save nutrients, and to centralize the growth of the supply center and the two main branches. During the budding period, we must pay attention to the occurrence of pests. If there is any insect pests, we must prevent them in time. Fifth, foliar spray fertilizer Since the seedlings just after planting roots relatively weak absorption capacity, it is timely to spray fertilizer. After the jujube sprouts, the leaves can be sprayed once every 15 days, but it should be noted that the foliar spray fertilizer concentration should be smaller. VI, flowering management In the above carefully managed, seedlings grow robust, pull the main branch of the second bend, jujube stocks hanging from the hanging leaves and leaves growing a large number of buds, in order to save the tree nutrients, this time to spend sparsely. When sparsely flowering, should be sparsely jujube hanging base flowers, leaving the lower part of the flower, with each jujube hanging 1-2 inflorescence is appropriate, in order to promote fruit setting, in the early flowering period in the central branch of the upper ring 2-3 laps, 5 to 10 centimeters apart. At the same time, 10-20 mg/kg of gibberellic acid was mixed with 0.3% borax at the blooming stage and full flowering stage. VII. Management after fruit set-up Take heart-drying on the center stem and the two main branches to concentrate the nutrient supply of jujube fruit growth, and timely control pests and diseases.
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The jujube tree planting can be the result of the year