Evaluation of the stabilization level of pig organic waste: Influence of humic‐like compounds

References

• Riffaldi , R. , Levi‐Minzi , R. and Saviozzi , A. 1983 . Humic fractions of organic wastes . Agriculture, Ecosystems and Environment , 10 : 353 – 359 .
   Web of Science ®Google Scholar
• Zucconi , F. and De Bertoldi , M. 1987 . “ Compost specification for the production and characterization of compost from municipal solid wastes ” . In Compost: Production Quality and Use , Edited by: de Bertoldi , M. , Ferranti , M. P. , L'Hermite , P. and Zucconi , F. 30 – 50 . London , , England : Elsevier .
   Google Scholar
• Giusquiani , P. L. , Patumi , M. and Businelli , M. 1989 . Chemical composition of fresh and composted urban waste . Plant and Soil , 116 : 278 – 282 .
   Web of Science ®Google Scholar
• Forster , J. C. , Zech , W. and Wurdinger , E. 1993 . Comparison of chemical and microbiological methods for the characterization of the maturity of composts from contrasting sources . Biology and Fertility of Soils , 16 : 93 – 99 .
   Web of Science ®Google Scholar
• De Nobili , M. and Petrussi , F. 1988 . Humification Index (HI) as evaluation of the stabilization degree during composting . Journal of Fermentation Technology , 66 : 577 – 582 .
   Google Scholar
• Stevenson , F. J. 1965 . “ Gross chemical fractionation of organic matter ” . In Methods of Soil Analysis , Edited by: Black , C.A. 1409 – 1421 . Madison , WI : American Society of Agronomy .
   Google Scholar
• Ciavatta , C. and Govi , M. 1993 . Use of polyvinylpyrrolidone and isoelectric focusing in the study of humic substances in soils and organic wastes . Journal of Chromatography , 643 : 261 – 270 .
   Web of Science ®Google Scholar
• Sequi , P. , De Nobili , M. , Leita , L. and Cercignani , G. 1986 . A new index of humification . Agrochimica , 30 : 175 – 179 .
   Web of Science ®Google Scholar
• Ciavatta , C. , Vittori Antisari , L. and Sequi , P. 1988 . A first approach to the characterization of the presence of humified materials in organic fertilizers . Agrochimica , 32 : 510 – 517 .
   Web of Science ®Google Scholar
• Govi , M. , Francioso , O. , Ciavatta , C. and Sequi , P. 1992 . Influence of long‐term residue and fertilizer applications on soil humic substances: a study by electrofocusing . Soil Science , 154 : 8 – 13 .
   Web of Science ®Google Scholar
• Ciavatta , C. , Govi , M. , Vittori Antisari , L. and Sequi , P. 1990b . Determination of organic carbon in aqueous extracts of soils and fertilizers . Communications in Soil Science and Plant Analysis , 22 : 795 – 807 .
   Web of Science ®Google Scholar
• Govi , M. , Ciavatta , C. , Vittori Antisari , L. and Sequi , P. 1989a . “ Problemi relativi all'utilizzo di effluenti zootecnici in agricoltura ” . In Acque Reflue e Fanghi , Edited by: Frigerio , A. 422 – 431 . Milan , , Italy : C.S.I. .
   Google Scholar
• Ciavatta , C. , Govi , M. , Pasotti , L. and Sequi , P. 1993 . Changes in organic matter during stabilization of compost from municipal solid wastes . Bioresource Technology. , 43 : 141 – 145 .
   Web of Science ®Google Scholar
• Govi , M. , Ciavatta , C. and Gessa , C. 1993 . Evolution of organic matter in sewage sludge: A study based on the use of humification parameters and analytical electrofocusing . Bioresource Technology , 44 : 175 – 180 .
   Web of Science ®Google Scholar
• Govi , M. , Ciavatta , C. , Vittori Antisari , L. and Sequi , P. 1989b . Characterization of organic materials by means of analytical electrofocusing . Proceedings of the International Symposium on Humic Substances in the Aquatic and Terrestrial Environment . 1989b . pp. 143 – 149 . Linkoping , , Sweden
   Google Scholar
• De Nobili , M. , Ciavatta , C. and Sequi , P. 1989 . Evaluation of organic matter stabilization during composting by means of humification parameters and electrofocusing . Proceedings of the International Symposium on Compost: Production and Use . 1989 . pp. 328 – 342 . San Michele all'Adige , , Italy
   Google Scholar
• Ciavatta , C. 1993 . “ Utilization of animal wastes in agriculture: general aspects ” . In Environment, Agriculture , Edited by: L'Hermite , P. , Sequi , P. and Voorburg , J.H. 1 – 19 . Rome , , Italy : Stock Farming in Europe‐ISMEA .
   Google Scholar
• Ciavatta , C. , Govi , M. , Vittori Antisari , L. and Sequi , P. 1990a . Characterization of humified compounds by extraction and fractionation on solid polyvinylpyrrolidone . Journal of Chromatography , 509 : 141 – 146 .
   Web of Science ®Google Scholar
• Ciavatta , C , Vittori Antisari , L. and Sequi , P. 1989 . Determination of organic carbon in soils and fertilizers . Communications in Soil Science and Plant Analysis , 20 : 759 – 773 .
   Web of Science ®Google Scholar
• Sugahara , K. and Hinoko , A. 1981 . Composting analysis of humus and characterization of humic acid obtained from city refuse compost . Soil Science and Plant Nutrition , 27 : 213 – 224 .
   Web of Science ®Google Scholar
• Roletto , E. , Barberis , R. , Consiglio , M. and Iodice , R. 1985 . Chemical parameters for evaluating compost maturity . BioCycle , 26 : 46 – 51 .
   Google Scholar
• Levi‐Minzi , R. , Riffaldi , R. and Saviozzi , A. 1986 . Organic matter and nutrients in fresh and mature farmyard manure . Agricultural Wastes , 16 : 225 – 236 .
   Web of Science ®Google Scholar
• Garcia , C , Hernandez , T. and Costa , F. 1991a . Changes in carbon fractions during composting and maturation of organic wastes . Environmental Management , 15 (3) : 433 – 439 .
   Web of Science ®Google Scholar
• Garcia , C. , Hernandez , T. , Costa , F. and Polo , A. 1991b . Humic substances in composted sewage sludge . Waste Management & Research , 9 : 188 – 194 .
   Web of Science ®Google Scholar
• Garcia , C , Hernandez , T. and Costa , F. 1992 . Characterization of humic acids from uncomposted and composted sewage sludge by degradative and non‐legradative techniques . Bioresource Technology , 41 : 53 – 57 .
   Web of Science ®Google Scholar
• Sequi , P. , Ciavatta , C. and Vittori Antisari , L. 1991 . “ Organic fertilizers and humification in soil ” . In Organic Substances and Sediments in Water, Volume 1. Humic and Soils , Edited by: Baker , R. A. 351 – 367 . Chelse , MI : Lewis Publishers .
   Google Scholar
• Department of Agriculture and Environmental Biotechnolofies, University of Ancona, via Brecce Bianehe, 60131 Ancona, Italy.
   Google Scholar