Potatoes are often affected by frost and cold damage, causing serious frostbite death of potatoes, and adopting measures such as fitness cultivation in cultivation can prevent or mitigate freezing damage.
1. Anti-aesthetic fitness training: Each time you fight or spray foliar fertilizer, add 1 capsule of “Guaguo Zhuang Ti Ling†capsule per 15 kg of liquid to prevent the potato plant from growing, making the leaves thick and stalk of the plant. Deepening and enhancing cold resistance can effectively reduce frost and cold damage, and at the same time promote the growth of underground parts, accelerate tuber enlargement and increase yield. At the same time, it can increase the efficiency of various pesticides and foliar fertilizer by 30%, and the amount of fertilizer is reduced by half. The use period is generally before flowering, and the spraying effect is best when the young fruit period and the fruit expansion period are sprayed once.
2. Spray protection agent: Spray the whole plant evenly with “General Manager of Tree Protection†to form a protective film quickly. The film-forming substance can protect the potato from freezing damage, disinfect and prevent diseases, strengthen plants and enhance cold resistance.
3. Enhance the humidity: 1 day to 2 days before the cold current is cooled, the semi-ditch water is poured into the ditch, and the kneading surface is kept moist to increase the ground temperature to reduce the freezing damage. After the cold current, the water is drained. For the potato, spray the appropriate amount of “new high-fat film†to prevent water transpiration on the surface of the plant, enhance the water absorption of the plant growth, and moisturize and prevent freezing.
4. Smoke and smoke: On the night when the frost is coming, use a stove or scrap iron drum to pack rice shells or sawdust to pour a small amount of waste diesel or waste engine oil, cover a little soil, put 5-6 per acre, smoke, change Microclimate, to achieve the purpose of frost and frost.
5. Timely washing cream to reduce frost damage: After the frost, it should be inspected early, and the plant is found to have frost. Grab the water spray in the morning before the defrosting. It not only cleans the frost water but also reduces the temperature difference to prevent physiological dehydration to reduce the freezing damage.
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