Nguyễn Nhật Tân, Hoàng Văn Mùa (trang 21-24, 33)
Từ khoá: đặc điểm, đất bạc màu, phương pháp, định lượng, FAO-UNESCO, Đông Anh
Summary
Determination of the characteristics of grey soil on old-alluvium in Dong Anh district, Hanoi city according to the method of the quantitative soil classification system of FAO-UNESCO
Results in research: pHKCl 5-6, saturation 58-72% in diagnostic sub surface horizons, CEC in epidedons 10,8-14,8 meq/100g soil and 38,2-41,3 meq/100g clay, organic matter contents are low 1-1,5% and nutrient elements are very poor.