Watermelons have high requirements on soil moisture and need to be watered once every three days. Generally speaking, the water amount of watermelons should not be too large. According to the soil conditions, do not water when the soil is not dry. The root of watermelons needs the soil to provide a breathable environment. Excessive water will cause the root to blacken and rot.
Depending on the weather, the number of watering should also be changed. It is necessary to pay attention to the weather forecast. If there is rain within 24 hours, the watering should be suspended. If the weather forecast indicates that there is heavy rain, it is also necessary to check the drainage channel of the land in time to see if there is any blockage and dredge it in time.
The soil water content can be judged according to the leaves. If the cotyledons close down, the color becomes darker, which is the expression of soil water shortage; If the soil moisture is too much, the edges of the leaves will appear yellow. The watering frequency and the amount of water can be controlled scientifically by observing the condition of the leaves.
In order to harvest high-quality watermelon, the quality of irrigation water also needs attention. Generally speaking, it is recommended to use natural well water or river water, which is low-cost and more conducive to watermelon growth. If it is necessary to use tap water due to climatic conditions and other reasons, it is recommended to dry it for 1-2 days in advance.
