A spectroscopic study of soil fulvic acid composition after six-year applications of urban waste compost Giovanni Gigliotti, Alceo Macchioni, Cristiano Zuccaccia, Pier Lodovico Giusquiani and Daniela BusinelliAgronomie, 23 8 (2003) 719-724DOI: https://doi.org/10.1051/agro:2003048
