Assessment of the impact of selected agriculture factors on maize nutritional status in critical growth stages using the plant analysis method. Part ii. Flowering stage (BBCH 61)

Piotr Szulc; Weronika Baldys; Joanna Kobus-Cisowska; Daniel Krauklis; Aleksandra Kucharska

1/2021 vol. 66

ORIGINAL PAPER

Piotr Szulc ¹

Weronika Baldys ¹

Joanna Kobus-Cisowska ¹

Daniel Krauklis ¹

Aleksandra Kucharska ¹

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Poznań University of Life Sciences

Journal of Research and Applications in Agricultural Engineering 2021;66(1):19-24

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References (12)

KEYWORDS

maize

nutrients

flowering stage

leaf below ear

ABSTRACT

The study presents the results of a 3-year field study, whose aim was to assess the effect of sowing and NP fertilizer application method on the content of nutrients in leaf blades of two different types of maize varieties (traditional and stay-green) in the BBCH 61 stage. The selection of the variety in combination with row NP fertilization is a factor supporting the nutritional status of maize at this stage. The “stay-green” variety showed a positive reaction to the row NP application, which was caused by a better supply of P and K. The content of N, P, K, Mg in maize leaves at the BBCH 61 stage may be an indicator of the size of maize grain yield, regardless of the type of maize hybrid.

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