What do you mean, after giving birth to a daughter, no one will sweep the grave in the countryside, so will someone sweep the grave for a boy in the countryside? We in China have always preferred sons to daughters since ancient times, but with the change of social concept, it is no longer possible to visit graves only by our sons. The daughter is also the mother's child, and of course the daughter can go to the grave!
Some people may say that people who have sons can let their grandchildren go to the grave when their sons die, and their great-grandchildren can go to the grave when their grandchildren die, so that no one will go to the grave for generations. Then the person who gave birth to the daughter married away, and the daughter would come to visit the grave every once in a while, but if the daughter died, maybe the son or daughter would not come to visit the grave. Even if the son or daughter would remember to visit the grave, it would be particularly troublesome to pass it on. The end result may be that no one will visit the grave again.
I think this kind of worry is unnecessary. The graves in our countryside are basically buried by the whole family. For example, our family's grave is in a large open space, and all the family members will be buried together, so it is easier to find it and it is more convenient for future generations to sweep the grave.
Since all the family members are buried together, I think their descendants will also come to visit the grave, whether they have sons or daughters, because they are not afraid to find a place! Moreover, as long as future generations come to visit the grave, they will generally burn the whole grave to worship.
Even if there are some graves in the countryside where no one comes to worship or sweep them, we always say that the deceased is the greatest. So people in the village generally don't touch these graves.