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Sugar Beet Root Yield and Quality with Leaf Seasonal Dynamics in Relation to Planting Densities and Nitrogen Fertilization

Author

Listed:
  • Ivana Varga

    (Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer in Osijek, Vladimira Preloga 1, 31 000 Osijek, Croatia)

  • Zdenko Lončarić

    (Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer in Osijek, Vladimira Preloga 1, 31 000 Osijek, Croatia)

  • Suzana Kristek

    (Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer in Osijek, Vladimira Preloga 1, 31 000 Osijek, Croatia)

  • Antonela Markulj Kulundžić

    (Agricultural Institute Osijek, Južno predgrađe 17, 31 000 Osijek, Croatia)

  • Andrijana Rebekić

    (Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer in Osijek, Vladimira Preloga 1, 31 000 Osijek, Croatia)

  • Manda Antunović

    (Faculty of Agrobiotechnical Sciences Osijek, University of Josip Juraj Strossmayer in Osijek, Vladimira Preloga 1, 31 000 Osijek, Croatia)

Abstract

This study aimed to analyze the seasonal dynamics of sugar beet leaf and root yield and quality in different plant populations and the nitrogen fertilization rate. The field trials were set as four different planting densities (60,000 to 140,000 plants ha −1 ) and three different spring nitrogen fertilization rates: no fertilization, pre-sowing (45 kg ha −1 N), and pre-sowing with top dressing (99 kg ha −1 N in 2014 and 85.5 kg ha −1 N in 2015. The changes of leaf growth were done measuring leaf area (LA), leaf area index (LAI), specific leaf area (SLA), and leaf area ratio (LAR). The highest LAI in 2014 was determined on 30 July at 140,000 plants ha −1 (9.35 m 2 m −1 ) and in 2015 on 20 June at 100,000 plants ha −1 (4.83 m 2 m −2 ). In both years, the SLA and LAR was highest at the end of May. In relation to plant density, higher plant densities had on average the highest root yield, sucrose content, and white sugar yield. In both years, pre-sowing with top dressing spring nitrogen fertilization resulted in the highest root (95.0 t ha −1 ) and white sugar yield (11.4 t ha −1 ), whereas the highest sucrose content was after pre-sowing fertilization (14.9%).

Suggested Citation

  • Ivana Varga & Zdenko Lončarić & Suzana Kristek & Antonela Markulj Kulundžić & Andrijana Rebekić & Manda Antunović, 2021. "Sugar Beet Root Yield and Quality with Leaf Seasonal Dynamics in Relation to Planting Densities and Nitrogen Fertilization," Agriculture, MDPI, vol. 11(5), pages 1-11, May.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:5:p:407-:d:547962
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    References listed on IDEAS

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    1. Sofia Hadir & Thomas Gaiser & Hubert Hüging & Miriam Athmann & Daniel Pfarr & Roman Kemper & Frank Ewert & Sabine Seidel, 2020. "Sugar Beet Shoot and Root Phenotypic Plasticity to Nitrogen, Phosphorus, Potassium and Lime Omission," Agriculture, MDPI, vol. 11(1), pages 1-20, December.
    2. Helena Viric Gasparic & Mirela Grubelic & Verica Dragovic Uzelac & Renata Bazok & Maja Cacija & Zrinka Drmic & Darija Lemic, 2020. "Neonicotinoid Residues in Sugar Beet Plants and Soil under Different Agro-Climatic Conditions," Agriculture, MDPI, vol. 10(10), pages 1-16, October.
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    Cited by:

    1. Cezary A. Kwiatkowski & Małgorzata Pawłowska & Elżbieta Harasim & Lucjan Pawłowski, 2023. "Strategies of Climate Change Mitigation in Agriculture Plant Production—A Critical Review," Energies, MDPI, vol. 16(10), pages 1-27, May.
    2. Kang Luo & Yongjun Zeng & Ziming Wu & Lin Guo & Xiaobing Xie & Qinghua Shi & Xiaohua Pan, 2022. "Nutrient Utilization and Double Cropping Rice Yield Response to Dense Planting with a Decreased Nitrogen Rate in Two Different Ecological Regions of South China," Agriculture, MDPI, vol. 12(6), pages 1-15, June.

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