Phạm Quang Khánh, Nguyễn Xuân Nhiệm (trang 7-13, 27)
Từ khoá: Tài nguyên, đất, vùng tứ giác, Long Xuyên
Land resources of Long Xuyen quadrangle
In the soil map scale of 1/1.000.000, there are 6 soil groups and 20 soil mapping units. In the land unit map scale of 1/100.000, there are 39 land mapping units. Potential expansible area for agriculture is 345,200 ha, forest is 84,660 ha.