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GTAP Resource #7821

"Modeling Soy–Corn Multicropping: A New Approach for Brazilian Agriculture"
Authors: Marques Do Prado Tanure, Tarik, Angelo Gurgel, Pedro Gilberto Cavalcante Filho, Marcelo Pereira Da Cunha, Igor Lucas Rodrigues Dias, Matheus Lacerda and Danilo Garofalo


Abstract
Abstract
This article develops a new approach to represent soy–corn double-cropping systems in Brazil within the GTAP-AEZ framework. Using a modified GTAP-AEZ v.11 database implemented in GTAPinGAMS/MPSGE for 2017, the model distinguishes between monocropping and integrated soy–corn systems, in which both crops are produced on the same land area within a single year. The framework also refines the spatial representation of Brazilian agroecological zones and updates land intensification parameters using FAO and GTAP-AEZ data. By explicitly incorporating second-crop corn, livestock feed, corn ethanol and DDG coproducts, the model improves the representation of land intensification and is expected to generate more realistic estimates of land-use change, biofuel expansion and emissions in Brazil.

Keywords: double cropping; land use change; GTAP-AEZ; corn ethanol; agricultural intensification



Resource Details () GTAP Keywords
Category: 2026 Conference Paper
Status: Published
By/In: Presented during the 29th Annual Conference on Global Economic Analysis (Kyoto, Japan)
Date: 2026
Version: 1
Created: Marques Do Prado Tanure, T. (4/14/2026)
Updated: Marques Do Prado Tanure, T. (4/15/2026)
Visits: 27
- Environmental policies
- Land use
- Sustainable development
- GTAP Data Base and extensions
- Agricultural policies
- Model extension/development
- Partial and general equilibrium models
- South America


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