Shallow landslides and soil erosion, induced by intense rainy events, are the most widespread slope instabilities that occur in vineyards cultivated along hillslopes. They could cause severe damages in the inter-row space and produce loss of soils characterized for high productivity levels. This fact provokes also land degradation and abandonment in cultivated areas. As a consequence of the higher diffusion of these extreme events in some European regions (e.g. Italy, France, Spain, Germany, Slovenia), it is necessary finding not invasive interventions, able to reduce the susceptibility of vineyards while preserving ecosystem sustainability. The inter-row soil managements at farm level could have effects on root distribution and, as consequence, on root reinforcement. This study aimed to analyze different agronomic techniques and their effect on root reinforcement in soil, in order to increase slope stability of vineyards susceptible to shallow damaging events. This study is supported by Fondazione CARIPLO AttivAree programme - Oltrepò(Bio)diverso project. The research was conducted in Oltrepò Pavese (North-Western Italy), an hilly area where traditional viticulture is present on steep slopes soils affected by several shallow landslides and erosions which caused significant environmental and economic losses. The parameters related on root density and reinforcement were evaluated under different soil management techniques (tillage, permanent grass mulching, alternation in the years of tillage and grass mulching in the inter-row spaces), also in relation to the presence of shallow landslides events. The techniques characterized to produce positive effects on soil stability were identified. This analysis, also, would furnish important guidelines in order to apply sustainable farm practices in vineyards while maintaining better levels of soil biodiversity and fertility and promoting a sustainable economic rising income of the territory.

Effects of different soil managements in vineyards to slope stability

Bordoni M.;Capelli E.;Meisina C.
2018-01-01

Abstract

Shallow landslides and soil erosion, induced by intense rainy events, are the most widespread slope instabilities that occur in vineyards cultivated along hillslopes. They could cause severe damages in the inter-row space and produce loss of soils characterized for high productivity levels. This fact provokes also land degradation and abandonment in cultivated areas. As a consequence of the higher diffusion of these extreme events in some European regions (e.g. Italy, France, Spain, Germany, Slovenia), it is necessary finding not invasive interventions, able to reduce the susceptibility of vineyards while preserving ecosystem sustainability. The inter-row soil managements at farm level could have effects on root distribution and, as consequence, on root reinforcement. This study aimed to analyze different agronomic techniques and their effect on root reinforcement in soil, in order to increase slope stability of vineyards susceptible to shallow damaging events. This study is supported by Fondazione CARIPLO AttivAree programme - Oltrepò(Bio)diverso project. The research was conducted in Oltrepò Pavese (North-Western Italy), an hilly area where traditional viticulture is present on steep slopes soils affected by several shallow landslides and erosions which caused significant environmental and economic losses. The parameters related on root density and reinforcement were evaluated under different soil management techniques (tillage, permanent grass mulching, alternation in the years of tillage and grass mulching in the inter-row spaces), also in relation to the presence of shallow landslides events. The techniques characterized to produce positive effects on soil stability were identified. This analysis, also, would furnish important guidelines in order to apply sustainable farm practices in vineyards while maintaining better levels of soil biodiversity and fertility and promoting a sustainable economic rising income of the territory.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/1308447
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