Tạp chí
Lê Thái Bạt*
* Hội Khoa học Đất Việt Nam
Từ khoá: điều tra, lập bản đồ đất, đánh giá, phân hạng, Hà Quảng, Cao Bằng
Summary
Soil mapping and land evaluation for Ha Quang district, Cao Bang province, at the scale 1:25,000
There are 6 of major groups, 16 of soil units and 51 of soil subunits in Ha Quang district. 46 of land mapping units and 14 of land suitability classes have been established after land evaluation. After studying land suitability and effectiveness of actual land use pattern in agriculture and forestry, land use can be allocated as follow: Land for annual crops is 4,580 ha, land for perennial trees is 852 ha, land for forestry is 14,000 ha (maximally can be reached 33,000 ha).
