Trần Khắc Hiệp (trang 33-36)
Từ khoá: nitơ, nitơ đánh dấu, 15N, phân bón, thí nghiệm, lizimete
Summary
Some research results on 15N-labelled fertilizer by lysimeter experiment method
Carrying of nitrogen fertilizer by maize harvest from 30,4-49,0% of the total amount. Application of nitrogen fertilizer was raised the supplementary assimilation of the soil nitrogen by crop (17-33%).