347 - CONSTRUTIVE SUGESTIONS

Management systems to reduce impact of nitrates - Página 207 https://books.google.pt/books?isbn=1851664025 - Traduzir esta página J. C. Germon, ‎S. Dupain - 1989 - ‎Vista de excertos Engs. E.M. Sequeira and M.V. Gama for their constructive suggestions for this paper. They also thank Agric. ... metodo de Egrier-Riehm na determinaca'o do fosforo e do potassio "assimilaveis" em solos de Portugal. Revta agron., Lisb., 51 ...