Nonetheless, the delta soils are quickly worked. The diking from the Pink River to prevent flooding has deprived the delta’s rice fields of enriching silts they as soon as received, and it has been necessary to use chemical fertilizers. Tên gọi "Việt Nam" cũng xuất hiện trong tác phẩm Việt https://vi-t-nam23344.free-blogz.com/78326383/the-smart-trick-of-gk88-that-no-one-is-discussing