What about lettuce stalks?

Lettuce stalk severely affects the quality of lettuce, and many vegetable farmers often fail to effectively prevent the slicing of the slicing stalk, resulting in serious economic decline. In order to improve the quality of lettuce and reduce the loss of vegetable farmers, the causes and preventive measures of cracking stems are briefly described as follows: Causes of cracked stems occur mostly in the harvesting period. There are many reasons for this: First, they are related to water and fertilizer, and water and fertilizer are not evenly distributed.涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝 涝, lettuce vitamin C content reduction, plant resistance and disease resistance, fleshy stalk table easy to crack; Fourth, lettuce harvest too late, easy to cause cracks, making its quality decline. Preventive measures First, strengthen fertilizer and water management. The management focus is when the lettuce leaves and the rosette leaves are flat, their stems begin to swell, small water should be poured, and 8-10 kilograms of instant fertilizers can be applied to each foliar, and polyboron 1500 times liquid can be sprayed on the leaves. Note that this time the water and fertilizer must be timely, too early or too late for the growth of the fleshy stem. After starting watering, the speed of stem enlargement is accelerated, the water and fertilizer are increased, the ground is slightly dry, the watering is even, the amount of water must be moderate, and flooding should be strictly prevented. When the land is able to enter people, shallow loose soil is broken and combined with watering, and fertilizer is applied 1-2 times. Spraying poly-boron 1500 times once can prevent stem cracks from appearing. Second, timely harvest. When the top of the main stem of the lettuce stem is flat with the tip of the tallest leaf, it is suitable for harvesting. At this time, the fleshy stem has been fully expanded, the quality is crisp, and the cracked stem is not easy to appear.

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