During the growth and development of pepper plants, applying phosphorus and potassium fertilizers to the root zone can significantly enhance flowering and fruit formation. It is recommended to apply 40 to 50 kg of calcium phosphate or calcium magnesium phosphate per acre, along with 15 to 20 kg of potassium chloride or potassium sulfate. These fertilizers should be applied directly around the roots of the pepper plants and then covered with a layer of soil about 3 to 5 cm thick to ensure proper nutrient absorption.
In addition to soil application, foliar spraying can further improve nutrient uptake. You can spray a 0.3% solution of potassium dihydrogen phosphate or an 800-times diluted Xingpeng Phosphorus Potassium No. 1 solution every 10 to 15 days. Make sure to spray evenly on all branches and leaves until the foliage is just dripping with liquid. This method ensures that the plants receive an additional boost of phosphorus and potassium, which is essential for healthy growth and high yield.
Proper fertilization not only supports the plant's overall health but also improves the quality and quantity of the pepper harvest. It is important to follow these guidelines consistently throughout the growing season for optimal results. Always ensure that the fertilizer is well incorporated into the soil and that the foliar sprays are applied during the early morning or late afternoon to avoid leaf burn from direct sunlight.
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