Soil management deep ploughed the soil. It is generally carried out in the autumn before and after the fall leaves, combined with the application of base fertilizer. The adult orchard is deepened by 50~60 cm, and the young orchard is turned over 30~50 cm. If the Spring is deep, it should be about 20 cm. Fence cultivation should be deeper than 50 cm away from the plant, and the scaffolding should be dominated by the soil under the shelf.
weeding. Artificial weeding, without chemical weeding, when the grass grows to a certain height, castration is beneficial to prevent the green blind from climbing on the tree.
Intercropping. Juvenile orchards can be intercropped as legumes. cover. After irrigation in early spring, in order to prevent evaporation of water, inhibit weed growth, and increase low temperature, it can cover straw, wheat straw, bean straw and green manure.
Fertilizer base fertilizer. The base fertilizer is mainly based on ditch application, and autumn application is appropriate, once a year. Apply a ditch (width 30 cm, depth 60 cm) on the side of the plant about 40 cm from the trunk. The fertilizer is mainly based on decomposed high-quality organic fertilizer, and chicken manure is the best choice. Raw chicken manure should be mixed with sheep manure and cow dung and fermented to prevent burning. Organic fertilizer, sand and topsoil are mixed 1:1 and mixed into the ditch, and some trace elements such as calcium phosphate, potassium sulfate and ferrous sulfate are mixed and backfilled. The bottom of the ditch is padded with about 10 cm of crop straw, and finally covered. Cook the soil and fill it with water.
top dressing. In the fruit stage, the nitrogen fertilizer was mainly applied in front of the tree, and the phosphorus and potassium fertilizer were the main in the middle and late period. Each plant applies 80-150 grams of urea, 80-150 grams of diammonium phosphate, 80-200 grams of potassium sulfate, and is combined with irrigation after fertilization. Soil top dressing is prohibited within 30 days before picking.
Top dressing. In the growing season, combined with spraying pesticides for root dressing, 0.3% urea and 0.3% potassium dihydrogen phosphate can be sprayed. Root dressing is prohibited within 20 days before picking.
Conditional production areas should be based on soil and leaf analysis results for nutritional diagnosis and fertilization.
Irrigation and drainage are irrigated once before germination in the early spring after the grape is unearthed; irrigation is carried out once before flowering, irrigation is prohibited during flowering; water is immersed in the berry growing period, and water is stopped 20 to 25 days before berry harvesting. In the autumn, the water is re-irrigated in combination with the base fertilizer. Fill the frozen water once before burying the soil. In different areas, the irrigation period can be determined based on the water holding capacity. Generally, the field water holding capacity should be no less than 60% in the early stage of growth and about 50% in the later stage.
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