Excellent Non-nuclear (Yellow Extract) Cultivation Techniques
1. Land selection and soil preparation The variety is suitable for the frost-free period of 150 to 160 days, and it is cultivated in regions where there is a large temperature difference between day and night. To choose flat or gentle slopes with air and light, sandy loam with a pH of 6.5-7.5. It is also possible to build a site in a thick area where the microclimate in the hills and mountains is thick. The site preparation was carried out in the late autumn and early winter. The first step was to dig the planting trenches, each one meter deep and one wide. Spread 20 cm thick straw and weeds at the bottom of the trench, fill in 15 cm of topsoil, fill in weeds, and finally fill in the organics. Fertilizer and heart and soil mixture, drenched and solid, to be planted in the coming spring.
2. Cuttings are treated and planted. The cuttings are soaked in clean water for 24 hours. The cuttings are generally 3 buds. The lower end is cut into a horseshoe shape at the bud, and the upper end is cut 1 cm at the bud, using 50 mg/LABT rooting powder (1 2, 3, and 3 can be processed base 30min, can be inserted and planted. If planting one-year-old seedlings, cut the roots and dip them with a bactericide. Plant spacing is 0.75 meters 4 to 6 meters. After cutting, cover it with plastic film to improve ground temperature.
3. Fertilizer and water management This type of fertilizer is applied for water. Each year about 5000 kg of organic fertilizer is applied per acre. Each urea or 150 mg of diammonium phosphate is applied before germination. After the fruit is set, 150 g of urea is applied to each plant and 20 kg of potassium fertilizer is applied per young plant. After the autumn, 100 grams of potassium dihydrogen phosphate was applied to the roots of each plant. Foliar spraying fertilizer is mainly based on high-meishi and Taibao.
4. Hormonal treatment In general, seedless varieties must be treated with hormones to increase single-grain weight and increase fruit quality. Generally 50 to 100 mg/L of gibberellin are used for processing, and they are treated once at full flowering, one week after full flowering and one at young fruit.
5. Plastic pruning is generally suitable for pruning dry dragons so that they can be buried in cold weather and control the load. From the end of October to the beginning of November, carry out the winter cut, plant the weak flat oysters in the year, grow strong and cut about 80 centimeters, and cut the nicks more than 0.8 centimeters. There should be a small amount of production in the second year. In the second year, the mandible was cut and left for 1 to 1.5 meters. As a result, the mother shoots were trimmed with short shoots. Generally growing grapes, cut off about 1 meter per year, leaving branches too long and easy to produce baldness. Summer management includes tying vines, wiping buds, and picking up hearts. Eliminate the inflorescence-free growth branches and carry out 3 to 5 pickings on the shoots and sub shoots. Each time the axillary leaves 2 to 3 pieces, the new shoots are 30 to 40 cm long.
6. Diseases and insect pests control the main diseases are common downy mildew, white rot, black pox, etc., the main agent of Bordeaux and other fungicides, in the middle and late and rainy seasons can use systemic fungicide Irrigation root. Insect pests include terrapin beetles and black cashmere beetles. Small amounts of insecticides such as dichlorvos may be sprayed on.
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