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The Management Techniques of Hechuan Chongqing in Spring
The spring is the long-term growth of young fruit and spring shoots. Good management of spring and autumn is an important guarantee for high yields. Therefore, we must pay close attention to the actual situation of Hechuan and we need to do the following. First, the application of good spring fertilizer; 1, fertilization time: 2 to 3 months before spring shoots before the thinning fruit application. 2. Fertilizer amount: It accounts for 10% of the annual fertilization amount. The use of decomposed organic fertilizer as the main ingredient for over-expectation of Wangshu may not be applied to spring fertilizer. 3, fertilization method; in the canopy dripping water for the sector slightly open at the nest, nest depth 25cm, width 30cm, fertilization and other manure after soaking soil covered. Second, Shi strong fruit fertilizer: 1, fertilization time: April rapid expansion of the fruit in mid-late period. 2. Fertilizer amount: accounting for 20% of the annual fertilization amount, using mainly organic fertilizer, controlling the application of potassium fertilizer (anti-splitting fruit) 3. Fertilizing method: Open the nest slightly at the crown of the canopy, the pit depth is 25cm, and the width is wide. 30cm, soil fertilization and other manure soaked and covered with soil. III. Pest control In the middle and late March, leaf spot anthrax began to incur damage. It should be developed in the spring shoot stage with 1:1:100 Bordeaux mixture or 50% carbendazim 800 times or 50% thiophanate. 600 times liquid, spraying and preventing disease. 4. Ditch the drainage and remove the water in the garden. The groundwater level in the orchard should be kept below 60cm. Fifth, thinning fruit: 1, thinning fruit: generally better in late February to early March. It can eliminate the deformed fruit, fruit, fruit, and fruit of the disease and fruit, leave the fruit of uniform size, and determine the amount of fruit retained according to the vigor, variety characteristics, and the level of fertilizer. 2 to 3 fruits per panicle, 4 to 6 fruit per panicle for medium-sized cultivars, and 7 to 10 per panicle for small fruit cultivars. 2, bagging: fruit thinning, in the young fruit when the diameter of 1-2cm with 50% thiophanate or 65% dexamethasone 600 times plus 80% dichlorvos emulsion 800 times or 20% fenthrin 4500 times mixed spray After the liquid is dry, it can be bagged. Paper bags can be kraft paper or newspaper paste into 2525 or 3025 cm size bags. Such as the use of manufacturers after drug treatment made of special paper bags more women. About 10,000 paper bags are required per mu.