Effects of precipitation on the starch yield of maize grown for bioethanol production

Tamás Rátonyi, Endre Harsányi, C. Kiss, Attila Megyes

Research output: Contribution to journalArticle

Abstract

The objective of this study was to evaluate the effects of water stress (precipitation), under rain fed conditions, on the main components of maize grown for bioethanol production. Yield, starch content and starch yield per hectare of maize hybrids were investigated in a droughty (2007) and in a favourable year with optimal weather conditions (2008). This study was conducted at the Látókép Experimental Station of the Centre for Agricultural Sciences and Engineering, Debrecen University. The investigations were part of a multi-factorial long-term field experiment. The starch content was determined by a Foss Infratec™ 1241 type Grain Analyzer. Based on our results, optimal treatment combinations can be determined that can be used to maximalize starch yield per hectare in both droughty and wet crop seasons. In the water-stressed crop season of 2007, the highest starch yield was obtained with the hybrids Mv Tarján and Mv Koppány in moisturesaving shallow spring tillage at 120 kg ha-1 N dose (2.96 and 2.93 t ha -1). The higher fertilizer dose significantly decreased starch yield values. In 2008, the best treatment combination proved to be the winter plowing when applying a N fertilizer dose of 120 kg ha-1 in the case of ED 5110 hybrid (8.42 t ha-1). The N fertilizer dose of 240 kg ha -1 further increased starch yield (9.25 t ha-1), but this dose cannot be applied either from environmental protection aspects, or from economical causes.

Original languageEnglish
Pages (from-to)89-92
Number of pages4
JournalCereal Research Communications
Volume37
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2009

Fingerprint

ethanol production
Starch
Zea mays
starch
corn
Fertilizers
dosage
nitrogen fertilizers
Rain
environmental protection
Conservation of Natural Resources
Weather
plowing
crops
Dehydration
tillage
engineering
water stress
weather
fertilizers

Keywords

  • Maize
  • Precipitation
  • Starch content
  • Starch yield
  • Water stress

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Genetics
  • Physiology

Cite this

Effects of precipitation on the starch yield of maize grown for bioethanol production. / Rátonyi, Tamás; Harsányi, Endre; Kiss, C.; Megyes, Attila.

In: Cereal Research Communications, Vol. 37, No. SUPPL.1, 2009, p. 89-92.

Research output: Contribution to journalArticle

Rátonyi, Tamás ; Harsányi, Endre ; Kiss, C. ; Megyes, Attila. / Effects of precipitation on the starch yield of maize grown for bioethanol production. In: Cereal Research Communications. 2009 ; Vol. 37, No. SUPPL.1. pp. 89-92.
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