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Sowing and fertilization strategies to improve maize productivity

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2020
2020-Maydica_2126-6999-1-SM.pdf (157.4Kb)
Authors
Mandić, Violeta
Bijelić, Zorica
Krnjaja, Vesna
Simić, Aleksandar
Simić, Milena
Brankov, Milan
Đorđević, Snežana
Article (Published version)
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Abstract
Field experiment was conducted to examine the impacts of two sowing dates (8 April - first date of sowing and 21 April - second date of sowing) and four nitrogen rates (0, 60, 120 and 180 kg ha-1) on the productivity of maize hybrid ‘ZP 434’ in the Pannonian region of Serbia during 2016 and 2017 seasons. The dry period during late vegetative development and grain filling stage in 2017 decreased ear traits, grain yield, starch and oil contents, nitrogen agronomic (NAE) and nitrogen use efficiency (NUE). The highest number of grains per ear, starch and oil contents, starch and oil yields and lower rainfall use efficiency (RUE) and protein content were obtained from the early sowing date. The ear traits, grain yield, RUE, protein content, oil content and yield of starch, protein and oil significantly increased while NAE, NUE and starch content significantly decreased with increasing nitrogen rate. The results indicated a significant inverse correlation between starch and protein co...ntents, which prevents the improvement of these two parameters simultaneously. Thus, timely sowing and nitrogen input should be used as long term management strategies for increasing maize yield and grain quality.

Keywords:
maize / nitrogen fertilizer / sowing date / qualitative parameters / yield components
Source:
Maydica, 2020, 65, 2, 1-9
Publisher:
  • Roma : Unità di Ricerca per la Valorizzazione qualitativa dei cereali
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200022 (Institute for Animal Husbandry, Belgrade-Zemun) (RS-200022)

ISSN: 2279-8013

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rik_817
URI
http://rik.mrizp.rs/handle/123456789/817
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  • Радови истраживача / Researchers' publications
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MRIZP

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