After the cucumbers have grown to a certain height, they must be covered. The farmers must master the correct methods when they fall.
1. Fall time. In the cucumber plant growth point close to the roof, leaf vines more than 30 cm away from the ridge surface to be promptly falling. Falling vines should be selected in the sunny afternoon. At this time, the plant vines have low water content, soft tissue, and less damage to stem vines. Don't fall on the morning with high water content, morning or after watering, so as not to damage the stem and affect the normal growth of the plant.
2. Falling method. Wrap pine cords wrapped around cucumber vines, spread the stems to the ground, avoid hard pull hard pods, vines must be orderly coiled in the same direction on both sides of the cultivation ridge. When winding the stems, bend the vines along the vines and do not bend them or bend them in the opposite direction to avoid breaking the vines. When it begins to fall, the vines are thinner, the interval is shorter, and the circle is smaller. After the stalk is thick, the vines can be separated by a little longer time, and the circle can be larger, and the stalk can be dropped one-fourth of the time. The leafy culm is kept 15 cm from the ridge, and each plant maintains more than 20 functional leaves, and the plant height is 0.8-1.5 meters.
3. After the vine is covered, it is protected. After falling, the temperature should be increased to promote wound healing. Spray some fungicide in time to prevent plant infection. After the pruning falls, lateral branches will be produced in the lower part of the vine and should be erased in time to ensure the normal nutrient supply of the main stem.
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