How to prevent chili "three falls"

The phenomenon of falling, falling fruit and falling leaves of the pepper during the result period is called "three falls," and the "three falls" has a great influence on the yield. There are many reasons for the “three downfalls”. In general, the early fall was mainly caused by low temperature and soil drought affecting pollination. In the middle and later stages, the "three falls" are mainly caused by excessive or too little nitrogen fertilizers that cause the foliage to grow or grow poorly, and also because the density is too large, the light is insufficient, the temperature and humidity are high, and the pests and diseases cause harm. To prevent and control the “three downfalls”, we must comprehensively improve the level of cultivation and management, and we must not grasp a single measure. The main points should be as follows: (1) Cultivate strong seedlings. (2) Choose a well-drained sandy loam soil, avoid continuous cropping, implement crop rotation (3) and properly plant dense plants, strengthen water and fertilizer management, and coordinate plant growth and development. (4) According to the temperature of the use of different concentrations of anti-dropping spray, in principle, the high temperature and low concentration, low temperature and high concentration, the general concentration of 30 ~ 50ppm, each flower can only be sprayed once, should not be heavy spray, And be sure to spray on a cloudy or early evening. (5) Pay attention to pest control, common anthrax, bacterial leaf spot, and mites such as spider mite. These diseases and insect pests can easily cause fruit drop defoliation. They can be sprayed with DT, a 500-fold dilution of metalaxylone, 400 times anti-fukuning, 1000-fold solution of dicofol, and 2,500-fold dilution with Keziate. China Agricultural Network Editor

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