A few days ago, the reporter learned from Quanzhou City Bureau of Agriculture that at this time there are many farmers who are accustomed to turning sweet potatoes. They believe that turning sweet potatoes can suppress the growth of stems and leaves, and promote the operation of nutrients. In fact, the opposite is true. First of all, the natural distribution of sweetpotato pods in the field is very reasonable, and the leaflets can be kept in the optimal light receiving position by the rotation of the petiole, and the turning leaves will make the leaves flip and overlap. It takes 1-2 days to adjust to the optimal distribution. This delays the photosynthesis time, greatly reduces the photosynthetic efficiency, reduces the photosynthetic product, and increases the respiration intensity of the leaves after turning. It also consumes a part of organic matter and affects the expansion of the tubers. Secondly, turning pods can cause damage to the vines and leaves, and the reduction in leaf area can also affect the growth of the yams. In the end, the adventitious roots were cut off, which reduced the absorption of nutrients and water, broke the rational distribution of nutrients, accelerated the nutrient transfer to the stems and leaves, and affected tuber enlargement. Practice has proved that the more trips, the heavier the reduction in production, generally can reduce production by about 15%.
Experts said that if there is frequent rain, there are more adventitious roots on the sweet potato stalks, and the stems can be gently picked up by hand to pull off the adventitious root without damaging the vine. At the same time, remove the weeds from the ground and return the stems to their original positions.
Experts said that if there is frequent rain, there are more adventitious roots on the sweet potato stalks, and the stems can be gently picked up by hand to pull off the adventitious root without damaging the vine. At the same time, remove the weeds from the ground and return the stems to their original positions.
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Below image as reference:
Electric Heating Cape
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