Structural characteristics of humic substances as related to nitrate uptake and growth regulation in plant systems. Soil Biology and Biochemistry, 24:373-380 (1992).A.PICCOLO, S. Nardi, G. Concheri
Supercritical versus methanol extraction of 14-C labelled Atrazine bound to humic substances. Fresenius Environmental Bulletin, 10:627-631 (1992). A.PICCOLO, I. Scheunert, R. Schroll
Chemical characterization of humic substances extracted from organic-waste-amended soils.Bioresource Technology, 40:275-282 (1991). A.PICCOLO, P.Zaccheo, P.L.Genevini
13C NMR spectra of acheter viagra humic substances extracted with different mechanismsSoil Science Society of America Journal, 54:750 755 (1990). A.PICCOLO, L. Campanella, B.M.Petronio
