2013
DOI: 10.1590/s1415-43662013000200008
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Estimativa da produtividade do milho em função da disponibilidade hídrica em Guarapuava, PR, Brasil

Abstract: Com este trabalho objetivou-se estimar o potencial médio de produção da cultura do milho em função das variações da disponibilidade hídrica considerando-se a realização da semeadura em diferentes momentos dentro do período recomendado para o município de Guarapuava, Estado do Paraná. Os estudos foram realizados com base na série ininterrupta de dados climáticos do período de 1984 a 2007. A duração do ciclo da cultura foi calculada pelo acúmulo de soma térmica e a disponibilidade de água avaliada pelo balanço h… Show more

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Cited by 18 publications
(19 citation statements)
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References 18 publications
(13 reference statements)
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“…In the irrigated condition, the city of Arapiraca reached the highest level with 8.748 kg ha -1 , similar mean the largest maize-producing regions in the country (BERGAMASCHI et al, 2004 andCONAB, 2013;WAGNER et al, 2013). The municipalities of Água Branca, Palmeira dos Índios and Porto de Pedras under irrigated condition showed means far below the Arapiraca;…”
Section: Resultsmentioning
confidence: 68%
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“…In the irrigated condition, the city of Arapiraca reached the highest level with 8.748 kg ha -1 , similar mean the largest maize-producing regions in the country (BERGAMASCHI et al, 2004 andCONAB, 2013;WAGNER et al, 2013). The municipalities of Água Branca, Palmeira dos Índios and Porto de Pedras under irrigated condition showed means far below the Arapiraca;…”
Section: Resultsmentioning
confidence: 68%
“…The years 1991The years /1992The years /1993The years and 1997The years /1998 showed low observed yields, justified by the El Niño phenomenon that warms the waters of the Equatorial Irr. v. 8, nº.2, Fortaleza, p. 127 -138 and it has been considered the main characteristic of the maize-growing regions around the world (BERGAMASCHI et al, 2004;SAMPAIO et al, 2012;WAGNER et al, 2013).…”
Section: Resultsmentioning
confidence: 99%
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“…The economic viability and agronomic benefits associated with crop rotation are major incentives for growing maize as a succession crop. In different regions, water availability is one of the primary factors considered when establishing preferred growing periods to obtain optimal yields, as well as in agricultural zoning and its applications (Wagner, Jadoski, Maggi, Saito, & Lima, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…In this respect, a number of authors have used simulation models in different regions around the world to evaluate water availability and its use by plants, either inserting historical climate data into the models or simulating future data, with results indicating similar estimated and actual values (Grossi et al, 2013;Wagner et al, 2013;Kadiyala, Jones, Mylavarapuc, Lic, & Reddy, 2015;Vivan et al, 2015;Dokoohaki et al, 2016). Lopez et al (2017) successfully modified the CERES-Sorghum model in order to better assess root growth and development.…”
Section: Introductionmentioning
confidence: 99%