1.23. Influence of nitrogen fertilization on the nitrate accumulation in radish, grown in different production direction

Author: Vasil Rankov, Hriska Boteva DOI: n/a Resume A field experiment in nitrogen fertilization of radish variety Edri cherveni was conducted in the Maritsa Vegetable Crops Research Institute, Plovdiv for two years on strongly leaches meadow- cinnamonic soil. The following nitrogen fertilizers are used: ammonium sulphate, ammonium nitrate, carbamide, potassium nitrate, calcium nitrate and sodium nitrate. The experiment was conducted with rates: 0 (control), 30 kg, 60kg. 90 kg and…