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Accesso ai documenti amministrativi e riservatezza: il legislatore alla ricerca di nuovi equilibri
No full textCaratterizzazione comparativa di porewaters e sostanza organica estraibile in acqua (WEOM) lungo un profilo indisturbato di torba – Implicazioni sui flussi di carbonio ed inquinanti
No full textWood biochars and vermicomposts from digestate modulate the extent of adsorption-desorption of the fungicide metalaxyl-m in a silty soil
No full textThis study aimed to investigate changes in metalaxyl-M sorption-desorption capacity of soil following the addition of two types of amendments. Two biochars (BC) from grapevine pruning residues (BC-G) and spruce wood (BC-S) and two vermicomposts (VC) obtained vermicomposting digestates from a mixture of manure and olive mill wastewater (VC-M) and buffalo manure (VC-B) were used. Using a batch equilibration method, the materials and a silt loam soil non-amended or amended with each material at 2% (w/w) were interacted with the fungicide at a concentration of 2 mg L−1 for kinetics study and in the range 1–20 mg L−1 for sorption isotherms. Kinetics results showed that metalaxyl-M onto the amendments and non-amended soil followed preferentially a pseudo-second-order model, thus indicating a chemisorption process. Sorption isotherm data of the product on BC and VC fitted well the Freundlich equation, whereas those on non-amended and amended soil followed preferentially a linear model. The KFads values were 995.2, 788.5, 55.2, 52.1, 6.4, 6.0, 3.4, 2.6 and 1.5 L kg−1 for BC-G, BC-S, VC-M, VC-B, soil-BC-G, soil-BC-S, soil-VC-M, soil-VC-B and non-amended soil, respectively. Product desorption from each soil sample occurred to a lesser extent than sorption. Highly significant correlations (P < 0.005) were found between the values of sorption and desorption constants of all adsorbents and organic C content, thus confirming the prominent role of organic matter in the sorption process of metalaxyl-M
Spectroscopic characterization of soil organic matter fractions from rhizosphere and bulk soils cultivated for tomato and artichoke
No full textDomenico Zampieri detto Domenichino, Paesaggio boscoso con scene di caccia
No full textScheda di catalog
The role of dissolved organic matter (DOM) from compost in the removal of PAH from contaminated soil: a Fluorescence approach.
No full textChemical and spectroscopic investigation of porewater and aqueous extracts of corresponding peat samples throughout a bog core (Jura Mountains, Switzerland)
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