The principles of fertilization for open-chili peppers must grasp three points: first, increase the application of high-quality organic fertilizers, pay attention to the combination of organic and inorganic elements, and coordinate the supply of nutrients between macronutrients and trace elements; secondly, control the excessive application of nitrogen fertilizers, especially during the flowering period (from When the first flower is open until the second fruiting branch is in fruit setting period, attention should be paid to the control of nitrogen fertilizer application to prevent flowering, defoliation and fruit drop. Thirdly, in the young fruit period and harvesting period, it is necessary to make timely use of available fertilizer to promote fruit enlargement. And to promote the growth of the next batch of fruit, avoid wet top dressing, top dressing at high temperatures, and overly concentrated fertilizers.
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