Where are south vietnams main agricultural regions?

South Vietnam's main agricultural regions are the Mekong Delta and the Central Highlands.

The Mekong Delta is a large, fertile region in southern Vietnam that is home to a vast network of rivers, canals, and rice fields. The delta is one of the most productive agricultural regions in Vietnam, and it produces a wide variety of crops, including rice, fruits, vegetables, and seafood.

The Central Highlands is a region of rolling hills and mountains in central Vietnam. The region is home to a variety of ethnic minority groups, and it is known for its coffee, tea, and rubber plantations.