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Effect of Split Basal Fertilisation and Top-Dressing on Relative Chlorophyll Content and Yield of Maize Hybrids

Author

Listed:
  • Péter Zagyi

    (Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary)

  • Éva Horváth

    (Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary)

  • Gyula Vasvári

    (Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary)

  • Károly Simon

    (Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary)

  • Adrienn Széles

    (Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary)

Abstract

The aim of this study was to determine the nitrogen requirement of maize, the optimal timing and amount of nutrient application, based on long time series data. An additional objective was to examine the response of the relative chlorophyll content of maize to nitrogen fertilisation. The examinations were carried out in a long-term field experiment at the University of Debrecen between 2016 and 2022, using two maize hybrids with different genotypes. Spatial and temporal changes in the N status of maize leaves were monitored using the Soil and Plant Analysis Development (SPAD) instrument. In addition to the non-fertilised (A 0 ) treatment, six fertiliser treatments were applied (spring basal fertilisation: 60 and 120 kg N ha −1 , A 60 ; A 120 ). Basal fertilisation was followed by two occasions of top-dressing at phenological stages V6 and V12, at rates of +30–30 kg N ha −1 (V6 90 and V6 150 , and V12 120 and V12 180 ). The CMR (Chlorophyll Meter Reading), averaged over the examined years, genotypes and fertiliser treatments, were lowest in the V6 phenological phase (40.23 ± 5.57, p < 0.05) and highest in R1 (49.91 ± 8.41, p < 0.05). A 120 fertiliser treatment increased the relative chlorophyll content by 5.11 compared to the non-fertilised treatment, 1.67 more than A60 treatment. The basal fertilisation treatment substantially increased the yield (A 60 : +30.75%; A 120 : +66.68%) compared to the A 0 treatment averaged over years and genotypes. Based on the obtained research results, a basal treatment of 120 kg N ha −1 is recommended and it can be concluded that, under appropriate water supply conditions (rainfall, irrigation), nitrogen top-dressing applied in V6 phenophase results in a significant yield increase compared to basal fertilisation.

Suggested Citation

  • Péter Zagyi & Éva Horváth & Gyula Vasvári & Károly Simon & Adrienn Széles, 2024. "Effect of Split Basal Fertilisation and Top-Dressing on Relative Chlorophyll Content and Yield of Maize Hybrids," Agriculture, MDPI, vol. 14(6), pages 1-16, June.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:6:p:956-:d:1417294
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    References listed on IDEAS

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    1. Olaf Erenstein & Moti Jaleta & Kai Sonder & Khondoker Mottaleb & B.M. Prasanna, 2022. "Global maize production, consumption and trade: trends and R&D implications," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 14(5), pages 1295-1319, October.
    2. Muschietti-Piana, Maria del Pilar & Cipriotti, Pablo Ariel & Urricariet, Susana & Peralta, Nahuel Raul & Niborski, Mauricio, 2018. "Using site-specific nitrogen management in rainfed corn to reduce the risk of nitrate leaching," Agricultural Water Management, Elsevier, vol. 199(C), pages 61-70.
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