Land Spreading Of Solar-dried Citrus Peel To
Control Runoff And Soil Erosion
Author(s)
G. Bombino, P. Denisi, D. Fortugno, V. Tamburino,
D. A. Zema & S. M. Zimbone
Abstract
Marginal areas of southern Italy are often characterised by steep slopes and
scarce vegetal coverage, which induce relevant runoff and soil erosion
phenomena. On the other hand, the agricultural system of some Italian regions is
characterized by the presence of many citrus industries, producing high amounts
of by-products and wastewater. The possibility of spreading orange peel over
land could represent an alternative solution for a more sustainable biomass
disposal and, at the same time, protect against the risks soil erosion in
Mediterranean areas.
This paper reports the results of an experimental research activity aimed at
evaluating the hydrological effects of land spreading of solar-dried citrus peel
over steep plots (remodelled at 100%-slope), containing bare soil or covered by
vegetation and exposed to natural rainfalls. The comparison of hydrological
observations to those performed on untreated soils (\“control”) highlighted that
the addition of citrus peel to soil induced an appreciable reduction of runoff and
particularly of sediment yield, due to the improvement of the soil properties,
which encourages the establishment and development of vegetation.
Keywords: soil conservation, orange peel, runoff, sediment yield, vegetal
coverage.
1 Introduction
The lack of vegetal coverage, together with the slope steepness, induces heavy
erosion phenomena in marginal areas as well as in the artificial banks of roads,
Keywords
soil conservation, orange peel, runoff, sediment yield, vegetal
coverage
Related Book
Other papers in this volume
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