The phenomenon of falling, falling fruit, and falling leaves of the pepper during the result period is called "three falls." The "three falls" have a great influence on the output. There are many reasons for the “three downfallsâ€. Generally, early fall is mainly due to low temperature, and soil drought affects pollination. In the middle and late period, the "three falls" are mainly caused by excessive or too little nitrogenous fertilizers, which lead to leafy or malnutrition, excessive density, lack of light, high temperature and rain, and pests and diseases.
For the above reasons, to prevent and control the "three falls" of peppers, we must comprehensively improve the level of cultivation techniques, and we must not grasp certain measures alone. Mainly to: 1. Cultivate strong seedlings. 2. Select a well-drained sandy loam soil, and do not use continuous cropping. 3. Appropriate close planting, strengthen management of water and fertilizer, coordinate growth and development of plants, and avoid uneven fertilization. 4. According to the temperature level, different concentrations of anti-dropping flower spray. 5. Pay attention to pest control. Common anthracnose, bacterial leaf spot, and mite-like hazards can cause fruit drop and defoliation, which can be controlled by 600 times 70% chlorobutanol and 2000 times by 73% chlorantzuron EC.
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