M. Kuramoto, G. de Oliveira, and H. Haag, “ Mineral nutrition of vegetable crops: XII. deficiencies of micronutrients in cauliflower ”, An. Esc. Super. Agr. Luiz de Queiroz, vol. 27, pp. 335–345, Jan. 1970, doi: 10.1590/S0071-12761970000100023.