Chu Đức (trang 61-64)
Từ khoá: phương pháp, phương pháp toán, xác định, yếu tố, hoá học, đất
Summary
Application of mathematical method to determine the principal chemical factors of soils
Suggested method on the basis of the cluster theory and the dispersion criterion to reduce the numbers of components of the soil – ecosystems. Method is illustrated by some examples on the simulation data.