First, according to potential production, grasp two things: 1. The trunk roughness can not reach, still in the tree-building period of the orchard, planting the first year of the winter cut, to the trunk roughness production. The height of the tree is about 1.5 meters, and 50 centimeters from the ground, about 2.5 centimeters in diameter, lateral branches can weigh about 7 kilograms of fruit, leaving about 7 branches; the trunk height is about 2 meters, and it is 1 meter high on the ground, and the horizontal branch diameter is 3 About 15 centimeters can be knotted around 15 centimeters. All knots are less than 50 cm in length. Crunchy chopsticks are preferred for flower buds. If there are less than 50 centimeters in the sapling period, more than 50 centimeters are more than enough, and 50 to 70 centimeters long knots are required for reasonable load. The peach branches all drooped down to minus 45 degrees, turning the polarity advantage to the base, germinating the restraining branches at the base, the peaches on the front of the branches, otherwise the peaches couldn't stand, and it was easy to close and cause inconvenience in the summer. Less than 1.5 meters trunk stem fine, bad flower bud quality, the second branch all sparse. In the first two cases, trunks with stems less than 40 centimeters in diameter are left untreated, and the main stems are not covered with peaches within 30 centimeters, so as to prevent the main trunk from being bent and affecting the growth of stems. This is a reasonable load, and the amount of new shoot growth is balanced by early fruits.

2. The trunk height reaches 1.5 meters high, and the eggs are thick. The construction period of this tree has basically ended. The yield of the tree can be set at about 50 pounds. Generally, the yield per mu is stable, and about 10,000 pounds of high quality peaches can be produced. The length should be about 30 to 50 cm.

Second, nutrient supply; according to potential, according to production and supply. When the trees are planted, they are then supplied with grass or rapeseeds in balance, and then apply high-quality amino acids to the trunk (15 to 20 days at a time, about 10 times a year), and then combine spraying with 300 times amino acids for leaf spraying, and then apply amino acids underground. Organic, inorganic, and biological compound fertilizers allow good tree nutrient accumulation, and the quality of peaches can be improved.

Third, the water supply: According to the public opinion master the amount of water. There are several critical periods of watering to pay attention. 1Wintering is beneficial to tree nutrient absorption, antifreeze and flower bud differentiation, fruit set, early and early stop, and correct fruit type. No watering or fertilization is allowed before flowering. Watering in the month of 26 can increase the tree's resistance to drought and can prevent the dehydration from causing a large number of fruit drop and sunburn. This is the first time the peach tip has stopped for a long time, the young peach (middle and late maturity) has rapidly expanded, and the new root has grown in large numbers. Absorption period of nutrition, so this is also particularly critical at this time. 3 Do not water a lot of water 1 month before fruit harvest. Although the yield is improved, the fruit taste is obviously reduced, and the sugar content is diluted by a large amount of moisture. According to the observations of the drought on the Loess Plateau for many years, only a few key waters should be grasped in a year, and the tree vigor production can be stabilized without having to pour too much water (must be under the premise of grass growing).

Fourth, the balance to grasp two points: 1 above ground and underground, that is, the balance of the tree under the tree. First, look at the amount of new shoots on the tree. If more than 60% of the new shoots in the tree cannot be stopped before the end of June, they will have to water less, apply less fertilizer, cut several times less grass, and apply amino acids together with the tree trunk. Increase the artificial branching and dwarfing measures on the trees to control the water and control the fertilizer to reach the upper and lower balance. It is not possible to use large amounts of water and fertilizers, not to force control, and not to sparsely organize trees. The consequences of doing so are likely to result in serious growth or weakening of the trees. 2 Mainly shaped peach trees are most likely to appear weak and weak if they are not properly managed. Because peach trees grow ten times more than flat fruit trees, they can germinate at least twice in the year, and their apical dominance is extremely strong. To balance the upper and lower branching amount of the tree itself, we must train a sharp trunk with a small degree of sharpness and a thick upper part, and the upper growth point should be small (the so-called growth points include the peach part and the budding bud). The lower growth point is more. If the tree structure is completed and this standard is met, the annual workload and investment will be greatly reduced.

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