Bùi Đình Dinh (trang 21-25)
Từ khoá: sử dụng, phân bón, tổng quan
An overview on fertilizer use in Vietnam
Required amount of chemical nitrogen fertilizer is 630.000 tons, phosphorus fertilizer 217.000 tons and potassium fertilizer 166.000 tons; and N : P2O5 : K2O ratio is 100:34:26. Four important measures of plant nutrition management in sustainable agriculture production are integrated nutrition management, balanced fertilizer, fertilizer efficiency increase and foliar fertilizer application.