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The contribution of soil tillage and nitrogen rate to the quality of maize grain

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2020
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Authors
Simić, Milena
Dragičević, Vesna
Mladenović Drinić, Snežana
Vukadinovic, Jelena
Kresović, Branka
Tabaković, Marijenka
Brankov, Milan
Article (Published version)
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Abstract
A soil tillage system adjusted to the soil type and agro-ecological conditions, together with the optimal nutrient supply, is a prerequisite for high maize (Zea mays L.) yield. However, there is little knowledge about the influence of soil tillage and nitrogen (N) rates on maize grain quality. A study was initiated in 1978 in Zemun Polje, Belgrade, Serbia, on the chernozem soil type. The effects of three N rates—0, 180 and 240 kg N ha−1—within three tillage practices—no-tillage, reduced and conventional tillage—and their influence on grain yield (GY) and the content of proteins, starch, oil, total tocopherols and carotenoids, phytic phosphorus (Phy), glutathione (GSH), phenols and inorganic P (Pi) in maize grain were analysed in the period 2016–2018. Differences in maize GY were 2.57 and 3.01 t ha−1 for reduced- or no-tillage, respectively, in comparison to conventional tillage. Conventional tillage and higher N rates contributed to the increase in maize yield and the grain ...nutritional quality with regard to the increased level of proteins, GSH and Phy. On the other hand reduced inputs were beneficial only for grain quality, in relation to the increase in tocopherols and phenols.

Keywords:
maize / reduced tillage / fertilisation / grain yield / nutritional quality
Source:
Agronomy, 2020, 10, 7, 976-
Publisher:
  • Basel : MDPI

DOI: https://doi.org/10.3390/agronomy10070976

ISSN: 2073-4395

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http://rik.mrizp.rs/handle/123456789/1002
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