Cucumber melons turn yellow, but there are no visible spots on the melon strips. This condition is often linked to poor root development, especially during the hot summer months. Root issues can significantly impact the overall health of the plant, leading to an insufficient supply of nutrients and ultimately causing the melon strips to yellow.
One of the main causes of this problem is improper planting techniques. Many farmers tend to water and fertilize immediately after planting, which results in excessive moisture and nutrients near the surface. This encourages shallow root growth, making it harder for the roots to develop deep into the soil. Instead, watering before planting can encourage deeper root penetration, helping the plant establish a stronger foundation. Watering at the right time can also help lower the ground temperature, creating a more favorable environment for root development and reducing transplant shock.
Protecting the leaves is essential for healthy root growth. The middle and lower leaves are responsible for producing most of the nutrients that support root development. Therefore, it's important not to remove these leaves too early, and any leaf diseases should be managed promptly. Proper fertilization plays a key role as well. Applying a layer of basal fertilizer in the topsoil and using deep-rooting biological fertilizers at the planting site can improve soil structure, prevent diseases, and promote the growth of strong, deep roots.
Once the plant starts fruiting, its vegetative and reproductive growth must be balanced. When applying fertilizers, care must be taken not to damage the root system. Excessive nitrogen can lead to overgrowth of foliage at the expense of fruit production. It's better to use high-quality compound fertilizers in appropriate amounts. Additionally, if temperatures rise too high, the amount of chemical fertilizer should be reduced, and organic or biological fertilizers should be added to maintain healthy root activity and ensure continued plant growth.
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