Hồ Quang Đức, Trần Minh Tiến, Bùi Tân Yên, Nguyễn Văn Ga1
1Viện Thổ nhưỡng Nông hoá
Từ khoá: đặc điểm, đất, cơ cấu, cây trồng, Văn Chấn, Yên Bái
Land evaluation for serving of crop system changes in Vanchan district, Yenbai province
Compiling soil map, land evaluation to serve the change crop system in Vanchan district. 600 soil profiles have been studied and 5,334 soil samples have been analyzed, soil map at scale of 1/25.000 compiled. There are 7 soil groups, 14 soil units, 24 soil subunits and 30 lower soil subunits were found. 48 land units and 26 land suitability units were determined. The optimum crop system and land use as well as the respective area for each village have been found out based on research results.