The aim of our study was to assess the long-term effects of organically managed vineyards on soil quality by means of two bioindicators: ciliated protozoa and microarthropods. The study was realized in the terroir of Verdicchio di Matelica (Marche, Italy), on three vineyards that were organically managed since 1992, 1998 and 2009 respectively. In each vineyard, soil samples (0-10 cm depth) were taken every month from March to October 2011. Soil chemical-physical parameters were measured. For microarthropods, the measured biological parameters were: the Soil Biological Quality (QBS-ar) index, abundances of biological and euedaphic forms and diversity indices. Soil samples were collected in both disturbed (tillage) and not-disturbed (no-tillage) inter-rows. For ciliates: abundances and diversity indices were measured and soil samples were randomly collected in the whole sampling area. The results of the multivariate data analysis and diversity indices (H’,J,d) indicate that the most stable habitat for ciliates and microarthropods is represented by the “older” (V92) followed by the V98 and the “younger” V09 vineyards. Collectively, the data seem to indicate that the long-term organic management of the soil contributes to global soil quality in vineyards at least in this particular pedoclimatic area and for the investigated bioindicators.

BIOLOGICAL SOIL QUALITY INDICATORS AND SUSTAINABLE VITICULTURE: A CASE STUDY IN THE VERDICCHIO TERROIR OF MATELICA ( ITALY)

LA TERZA, Antonietta;KUMAR, SANTOSH;BHARTI, DAIZY;MARINSALTI, Silvia;
2015-01-01

Abstract

The aim of our study was to assess the long-term effects of organically managed vineyards on soil quality by means of two bioindicators: ciliated protozoa and microarthropods. The study was realized in the terroir of Verdicchio di Matelica (Marche, Italy), on three vineyards that were organically managed since 1992, 1998 and 2009 respectively. In each vineyard, soil samples (0-10 cm depth) were taken every month from March to October 2011. Soil chemical-physical parameters were measured. For microarthropods, the measured biological parameters were: the Soil Biological Quality (QBS-ar) index, abundances of biological and euedaphic forms and diversity indices. Soil samples were collected in both disturbed (tillage) and not-disturbed (no-tillage) inter-rows. For ciliates: abundances and diversity indices were measured and soil samples were randomly collected in the whole sampling area. The results of the multivariate data analysis and diversity indices (H’,J,d) indicate that the most stable habitat for ciliates and microarthropods is represented by the “older” (V92) followed by the V98 and the “younger” V09 vineyards. Collectively, the data seem to indicate that the long-term organic management of the soil contributes to global soil quality in vineyards at least in this particular pedoclimatic area and for the investigated bioindicators.
2015
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/387460
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