Cao Việt Hưng, Đào Châu Thu, Nguyễn Khang (trang 12-15, 59)
Từ khoá: tính chất hoá học, phèn, đất phèn, Kiến Thuỵ
Characteristic of sulphuric horizon and sulfidic material in acid sulphate soils Kien Thuy, Hai Phong city
Result of soil survey and analysis in 52 acid sulphate soil profiles: 2 horizons. Sulphuric horizon (pH very low 3.87, organic matter rich, potassium poor, aluminium 8.07mg/100g of soil. Sulfidic material: pH low 3.91, organic matter and sulfur rich, potassium poor, aluminium 2.69mg/100g of soil.