Modelagem de cana de açúcar para previsão de produtividade de canaviais no Brasil e na Austrália

Barbieri, Valter and Da Silva, Fabio César and Hernández Díaz-Ambrona, Carlos Gregorio (2010). Modelagem de cana de açúcar para previsão de produtividade de canaviais no Brasil e na Austrália. "Anales del Congreso de AgroInformática", v. 2 (n. 1); pp. 745-762. ISSN 1852-4850.

Description

Title: Modelagem de cana de açúcar para previsão de produtividade de canaviais no Brasil e na Austrália
Author/s:
  • Barbieri, Valter
  • Da Silva, Fabio César
  • Hernández Díaz-Ambrona, Carlos Gregorio
Item Type: Article
Título de Revista/Publicación: Anales del Congreso de AgroInformática
Date: 2010
ISSN: 1852-4850
Volume: 2
Subjects:
Freetext Keywords: Crop model, sugar cane, production
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Producción Vegetal: Fitotecnia [hasta 2014]
Creative Commons Licenses: Recognition - Non commercial - Share

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Abstract

A model of sugarcane was constructed to predict the potential yield (without nutrition and water restrictions) to analyze the sustainability of new expanded cultivation areas to the ethanol production. The potential yield in terms of dry matter of sugarcane was adjusted to estimate the carbon dioxide absorption (CO2), AS C4 plant, in relation with air temperature and solar radiation to calculate a monthly production of dry mass (DM), during the crop cycle. The DM take in account a gross photosynthetic rate subtracting loses by maintenance respiration, senescence of leafs and tillers during the cycle. The BRCANE model is composed by equations which describe the physiological behaviour due to environment conditions averaging the thermal variables, which constants was obtained through adjusts of literature results with experimental data. The estimated DM by the model was contrasted with data which obtained during the cycle from experimental irrigated field (varieties RB72 454, NA 56-79, CB 41-76, CB 47-355, CP 51-22, Q138 and Q141), in the São Paulo State (Brazil) and in Bundaberg SES, Queensland (Australia). The results of total DM were modified in stalk tons per hectare through linear equation for each variety, with regression coefficients higher than 0,88. The model showed consistent simulations with DM during the CROP cycle, as well as in the prediction of yield.

More information

Item ID: 6621
DC Identifier: http://oa.upm.es/6621/
OAI Identifier: oai:oa.upm.es:6621
Official URL: http://www.39jaiio.org.ar/sites/default/files/39jaiio-cai-12.pdf
Deposited by: Doctor Carlos Gregorio Hernández Díaz-Ambrona
Deposited on: 08 Apr 2011 09:59
Last Modified: 20 Apr 2016 15:51
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