Improvement of soil properties by application of olive oil waste
Tóm tắt
Wet olive pomace is an organic lignocellulosic material, a by-product of the olive milling process, a typical and traditional activity in many Mediterranean countries. Wet olive pomace has difficult commercialization due to its high moisture content of 55–65%, that causes a noticeable increase in oil extraction costs. However, it could be conveniently reused in agriculture as a valid soil amendment to improve soil fertility and structure. Here, we studied the effects of the application of increasing amounts of non-fermented wet pomace on the fertility of a silty-clay soil, grown with 3 crops in succession: sunflower-wheat-wheat. The experiments were conducted at the Agricultural Faculty of Bari, Italy, on a Pachic Hoploxeroll soil characterized by illite and kaolinite and large amounts of Fe and Al sesquioxides. We compared the effect of wet pomace applied at amounts ranging from 0 to 210 Mg ha−1, incorporated 60 days prior to sunflower sowing. In the wheat late season of the second year, average samples from the 0–0.60 m layer were taken and tested for structural stability, organic matter, total nitrogen, available phosphorus, exchangeable potassium, pH and saturation extract electrical conductivity. The results indicate that the application of wet pomace induces a general improvement in soil fertility. In particular, the incorporation of increasing amounts of wet pomace improved nutrient content. For instance, an application of 210 Mg ha−1 of wet pomace increased soil organic matter by +84%, total N by +0.90 g kg−1, available P by +79.40 mg kg−1 and exchangeable K by +80 mg kg−1. We also observed an improvement in soil structure, which is of particular importance in hot, arid environments and in sustainable agricultural systems.
Tài liệu tham khảo
Angers D.A., Giroux M. (1996) Soil Sci. Soc. Am. J. 60, 1547–1551.
Bedini S., Privitera I., Filippi C., Nuti M.P. (1998) Evoluzione del microbiota in terreni ammendati con sanse umide non fermentate, Riv. Agron. 32, 264–270.
Bonari E., Ceccarini L. (1993) Sugli effetti dello spargimento delle acque di vegetazione sul terreno agrario: Risultati di una ricerca sperimentale, Genio Rurale 5, 60–67.
Bonari E., Ceccarini L. (2000) Effetti della distribuzione di dosi crescenti di sanse umide sul terreno agrario, in: Smaltimento e riutilizzo dei reflui dei frantoi. A.R.S.I.A. Regione Toscana, Effeemme Lito Srl, Firenze, Italy, pp. 31–57.
Bonari E., Ceccarini L., Giannini C. (2001) Studio degli effetti della distribuzione dei reflui di frantoio (AV.) in diversi terreni coltivati a soia, Proceedings of the XXXIV Congress of the Italian Society of Agronomy, 17–21 September, Pisa, Italy, pp. 97–98.
Carter M.R., Stewart B.A. (1996) Structure and organic matter storage, Agricultural Soils. Ed., CRC press, Boca Raton.
Casa R., D’Annibale A., Pieruccetti F., Giovannozzi Sermanni G., Locascio B. (2001) Abbattimento della componente fenolica in reflui oleari: effetti sulla germinabilità del frumento duro, Proceedings of the XXXIV Congress of the Italian Society of Agronomy, 17–21 September, Pisa, Italy, pp. 19–20.
Cavazza L., Patruno A., Cirillo E. (2002) Soil trait and structure stability in artificial sodicated soil, Ital. J. Agron. 6, 15–25.
Ceccon P. (2001) Effetti agronomici e ambientali dell’applicazione di acque di vegetazione al frumento, Proceedings of the XXXIV Congress of the Italian Society of Agronomy, 17–21 September, Pisa, Italy, pp. 47–48.
Camacho C.B., Torres J.G., Fernandez J.L.G. (2000) Influencia de la humedad en la evolucion de parametros uimicos de un suelo tras la adicion de alperujo, Edafologia 7, 215–220.
Cucci G., Rubino P., Caliandro A. (2003) Effects of irrigation water with different salt concentrations and SAR values on soil salinization and sodification, Ital. J. Agron. 7, 41–48.
Hachicha S., Chtourou M., Medhioub K., Ammar E. (2006) Compost of poultry manure and olive mill wastes as an alternative fertilizer, Agron. Sustain. Dev. 26, 135–142.
Hénin S., Monnier G. (1956) Évaluation de la stabilité de la structure du sol, 6th Int. Soil. Sci. Congr. Proc. Vol. B, pp. 49–52.
Hénin S., Grass R., Monnier G. (1969) Le profile cultural, Masson et Cie., Paris.
Haynes R.J., Naidu R. (1998) Influence of lime, fertilizer and manure applications on soil organic content and soil physical conditions: a review, Nutr. Cycl. Agroecosys. 51, 123–137.
Loveland P., Webb J. (2003) Is there a critical level of organic matter in the agricultural soils of temperature regions: a review, Soil Till. Res. 70, 1–18.
Lynch J.M. (1980) Effects of organic acids on the germination of seeds and growth of seedlings, Plant Cell Environ. 3, 255–259.
Marambe B., Ando T. (1992) Phenolic acids as potential seed germination inhibitors in animal waste composts, Soil Sci. Plant Nutr. 38, 727–733.
Montemurro F., Convertini G., Ferri D. (2004) Mill wastewater and olive pomace composta amendments for rye-grass, Agronomie 24, 481–486.
Oliver J.D. (1993) Formation of viable but noncolture cell. In: Starvation of Bacteria, in: Kjelleberg S. (Ed.), Plenum Press, New York, pp. 239–272.
Papini R., Pellegrini S., Vignozzi N., Pezzarossa B., Pini R., Ceccarini L., Pagliai M., Bonari E. (2000) Impatto dello spandimento di reflui oleari su alcune caratteristiche chimiche e fisiche del suolo. Atti XVIII Convegno Nazionale della Società Italiana di Chimica Agraria, 20–22 September, Catania, Italy, pp. 226–234.
Paris P. (1998) Aspetti agronomici dell’impiego dei reflui dell’industria agro-alimentare, Riv. Agron. 32, 196–220.
Rice E.L. (1979) Allelopathy, Bot. Rev. 45, 15.
Piccolo A. (1996) Humus and soil conservation, in: Piccolo A. (Ed.), Elsevier, Amesterdam, pp. 225–264.
Riffaldi R., Saviozzi A., Levi-Minzi R. (1990) Retention of coumaric acid by soil and its colloidal components, WA.S.P. 51, 307–315.
Saha S., Pandey A.K., Gopinath K.A., Bhattacharaya R., Kundu S., Gupta H.S. (2007) Nutritional quality of organic rice grown on organic composts, Agron. Sustain. Dev. 27, 223–229.
Spaccini R., Zena A., Igwe C.A., Mbagwu J.S.C., Piccolo A. (2001) Biogeochemistry 53, 1–22.
Spaccini R., Piccolo A., Mbagwu J.S.C., Zena A., Igwe C.A. (2002) Soil use and management, 18, 404–411.
Violante P. (2000) Metodi di analisi chimica del suolo, Franco Angeli.
Zena A., Fagnano M., Merla G., Piccolo A., Quaglietta Chiarandà F. (2002) Proceedings of 7th congress of the European Society for Agronomy, 15–18 July, Còrdoba, Spain.