Root fertilization improves the nutrition of western melon
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Potassium spraying during the growth stage of melons can significantly boost the levels of β-carotene, a vital nutrient that serves as a precursor to vitamin A. Known for its strong antioxidant properties, β-carotene plays a crucial role in supporting immune function and eye health in humans. Applying potassium externally, such as through foliar spraying, not only enhances the nutritional value of the fruit but also promotes more efficient photosynthesis, increases sugar content, and improves the vitamin C levels in melons. As a result, farmers often apply potassium spray once a week during the later stages of growth, sometimes up to three to five times, which leads to sweeter, higher-quality melons with better market appeal.
Potash, commonly available on the market, is both affordable and safe to use. It can be easily combined with pesticides, making it a practical choice for farmers. In addition to potassium, applying calcium alongside potassium fertilizer can further enhance the shelf life of melons and improve their resistance to diseases. This combination not only ensures better post-harvest quality but also reduces losses due to spoilage or infections. Overall, using potassium and calcium together is a smart agricultural practice that boosts both yield and fruit quality, offering long-term benefits for growers and consumers alike.