Electrical resistivity tomography to delineate greenhouse soil variability

• Autorzy: Rossi R. , Amato M. , Bitella G. , Bochicchio R.
• Języki publikacji: EN

Abstrakty

EN

Appropriate management of soil spatial variability is an important tool for optimizing farming inputs, with the result of yield increase and reduction of the environmental impact in field crops. Under greenhouses, several factors such as non-uniform irrigation and localized soil compaction can severely affect yield and quality. Additionally, if soil spatial variability is not taken into account, yield deficiencies are often compensated by extra-volumes of crop inputs; as a result, over-irrigation and overfertilization in some parts of the field may occur. Technology for spatially sound management of greenhouse crops is therefore needed to increase yield and quality and to address sustainability. In this experiment, 2D-electrical resistivity tomography was used as an exploratory tool to characterize greenhouse soil variability and its relations to wild rocket yield. Soil resistivity well matched biomass variation (R2=0.70), and was linked to differences in soil bulk density (R2=0.90), and clay content (R2=0.77). Electrical resistivity tomography shows a great potential in horticulture where there is a growing demand of sustainability coupled with the necessity of stabilizing yield and product quality.

• Wydawca: -
• Czasopismo: International Agrophysics
• Rocznik: 2013
• Tom: 27
• Numer: 2
• Opis fizyczny: p.211-218,fig.,ref.

Twórcy

autor

Rossi R.

• CRA-SCA, Via Celso Ulpiani, 5, 70125 Bari, Italy

autor

Amato M.

• School of Agriculture, Forest, Food and Environmental Sciences, University of Basilicata Viale dell 'Ateneo Lucano, 85100 Potenza, Italy

autor

Bitella G.

• School of Agriculture, Forest, Food and Environmental Sciences, University of Basilicata Viale dell 'Ateneo Lucano, 85100 Potenza, Italy

autor

Bochicchio R.

• International Doctoral School: Crop Systems, Forest, Food and Environmental Sciences, University of Basilicata, Viale dell'Ateneo Lucano, 85100 Potenza, Italy

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