synthetic fertilizers, further increasing crop yields. In 1909, the Haber-Bosch method to synthesize ammonium nitrate was first demonstrated. NPK fertilizers...

(1993-01-25). "Braun-Vega, peruano en Paris" [Braun-Vega, Peruvian in Paris]. processo (in Spanish). No. 847. Mexico DF. p. 53. La pintura de Braun-Vega es ideológica...