Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1096580
Research center of Embrapa/Collection: Embrapa Milho e Sorgo - Artigo em periódico indexado (ALICE)
Date Issued: 2018
Type of Material: Artigo em periódico indexado (ALICE)
Authors: BOGGIONE, I. M.
ANDRADE, C. de L. T. de
BORGES JÚNIOR, J. C. F.
VIANA, J. H. M.
Additional Information: Ivaldo Martins Boggione, Emater-MG; CAMILO DE LELIS TEIXEIRA DE ANDRADE, CNPMS; João Carlos Ferreira Borges Júnior, Universidade Federal de São João del-Rei; JOAO HERBERT MOREIRA VIANA, CNPMS.
Title: Modeling applied to sowing date of irrigated maize.
Publisher: Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 17, n. 2, p. 201-215, 2018.
Language: en
Keywords: CSM-CERES-Maize
DSSAT
Modelagem
Description: In Brazil, the rainfed maize crop may undergo yield breaks due to uncertainties in the rainfall distribution. Irrigation can be a management alternative that, however, requires evaluation and planning to be helpful. The objective of this work was to analyze the simulated yield data of irrigated maize in counties of Minas Gerais state, Brazil. The CSM-CERES-Maize model was used to simulated weekly sowings of maize considering optimum agronomic conditions. A sprinkler irrigation scheme with 80% efficiency was used with automatic applications when the crop withdrew 50% of the soil available water. The harvest was scheduled to happen automatically when the crop had reached physiological maturity. The results were statistically analyzed for each county, based on goodness of fit test, ANOVA, Tukey?s test and risk analysis (stochastic dominance). The most promising sowing period was from January 16 to March 27 for all locations, except for Janaúba, for which the best sowing window was from November 14 to January 2. The treatments of highest average simulated maize yield stochastically dominated the other treatments evaluated. The CSM-CERES-Maize model proved to be a useful tool to help making decision in irrigated maize crop systems.
Thesagro: Análise de Risco
Irrigação
Modelo de Simulação
Data Created: 2018-09-28
Appears in Collections:Artigo em periódico indexado (CNPMS)

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