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Limitation of forage maize yield in Belgium by temperature and light: a study by simulation

Authors
Journal
European Journal of Agronomy
1161-0301
Publisher
Elsevier
Identifiers
DOI: 10.1016/s1161-0301(14)80149-4
Keywords
  • Ceres-Maize
  • Forage Maize
  • Temperature

Abstract

Abstract The effect of small deviations (+/- 1 °C and +/- 2 °C) from daily mean temperatures and solar radiation (5.8 and 11.6 W m-2) observed in 1986 in Belgium were simulated with a modified version of CERES-Maize. Modifications were made during one of the three phases, emergence to the end-of juvenile stage, end-of-juvenile stage to silking, silking to final harvest or during the whole season. Except for the most extreme treatment (a decrease of 2 °C during the whole season), the effects on simulated grain and total yields were relatively small, and maize yields did not appear to be limited by temperature in Belgium. The simulated effects on yield of varying varietal characters via genetic coefficients were much larger.

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