The empty space, that is, the plant grows too strong and does not sit on the fruit, is a problem that often occurs in the planting of autumn sweet pepper.
The high temperature and high humidity environment is the root cause of the empty pepper. Slow seedling period and sweet pepper results in the early stage, high temperature and high humidity environment are easy to cause sweet peppers long, so that the first door pepper is difficult to sit; and the first fruit can not sit, even more drama plant length, resulting in malignant Loop so that it forms an "empty". In the case of partial application of nitrogen fertilizer, the "empty" of sweet pepper is more serious.
In this regard, the author believes that to prevent the "empty" of sweet peppers, it is necessary to highlight an "early" word, which must be grasped from the slow seedlings at the time of planting.
First, after planting, it is necessary to close the greenhouse for 2-3 days (to ensure that the shed temperature does not exceed 35 °C), keep warm and moisturize, and promote slow seedling; second, after slowing down the seedling, it is necessary to release the wind in time to reduce the humidity inside the shed. In the initial stage, the shed temperature of 28-30 °C is maintained, and then the shed temperature standard is gradually lowered, and the flowering and fruiting period is maintained at 20-25 °C. Such sweet pepper plants grow short and strong, the internodes are short, and there are many fruit sets. The third is to strengthen water and fertilizer management. The sweet pepper leaves are small, the water transpiration is not large, and the watering should not be too much when planting. After the seedlings are harvested, it is generally not easy to water, otherwise it is easy to cause falling flowers and fruits. When the first layer of fruit begins to harvest, it is necessary to strengthen watering and fertilization. According to the rule of sweet pepper and high potassium, topdressing is necessary to increase the application of potassium fertilizer to benefit the high yield of sweet pepper and improve fruit quality.
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