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Selected Publication:

Schonhart, M; Schmid, E; Schneider, UA.
(2011): Crop Rota - A crop rotation model to support integrated land use assessments
EUR J AGRON. 2011; 34(4): 263-277. FullText FullText_BOKU

Abstract:
Crop rotations influence the sustainability of agricultural systems. Integrated land use modeling frameworks increasingly acknowledge their role when analyzing economic and environmental impacts of agricultural production systems. However, insufficient data on crop rotations often challenge their consideration. In this article, we present the crop rotation model CropRota, which integrates agronomic criteria and observed land use data to generate typical crop rotations for farms and regions. The article describes the model and data requirements as well as an application of CropRota to 579 farms in the Austrian Mostviertel region. Model validation and sensitivity analysis are conducted to reveal robustness and accuracy of model outputs as well as its appropriateness for supporting integrated land use analyses. Comparisons between modeled and observed crop sequences from seven years of field observations show that the average area-weighted deviations range between 11% and 105% depending on the procedure of comparison and model specifications. The results indicate that CropRota is a suitable tool for the estimation of typical crop rotations from observed land use data. In addition, the model is sufficiently flexible to spatial scales and research contexts as frequently required in integrated land use analyses. (C) 2011 Elsevier B.V. All rights reserved.
Authors BOKU Wien:
Schmid Erwin
Schönhart Martin

Find related publications in this database (Keywords)
Crop rotation
Model
Crop sequence
Integrated land use modeling


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