To start with, the stones keep birds from consuming the watermelons. Birds cannot firmly stand to eat when they land on melons with stones on top. The birds will thus become frightened and take flight.
Farmers also mark the melons that are ripe. After fruiting, watermelons might take up to a month to mature.
Third, to block the sun, people cover the watermelons with stones.
Fourth, allow watermelons to develop uniformly. The fruits of the watermelons will grow vertically once they reach a specific size. The melons will grow more uniformly if the stones are sufficiently heavy.
Fifth, to raise the melons’ calibre
