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Impact of Farming System on Potato Yield and Tuber Quality in Northern Baltic Sea Climate Conditions

Author

Listed:
  • Kalle Margus

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Viacheslav Eremeev

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Evelin Loit

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Eve Runno-Paurson

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Erkki Mäeorg

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Anne Luik

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

  • Liina Talgre

    (Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, EE 51006 Tartu, Estonia)

Abstract

For finding more sustainable cropping systems, this study on how the farming system influences the yield and quality of potato tubers was carried out with long-term crop rotation experiment. The long-term five-field crop rotation field trial was established with the following farming system treatments: organic farming system treatments: Org I (organic control), Org II (organic crop rotation with winter cover crops) and Org III (organic crop rotation with winter cover crops and the addition of composted cattle manure); conventional farming system treatments: N0 (conventional system without fertilizers), N50 (conventional system with fertilization, N50P25K95), N100 (conventional system, N100P25K95) and N150 (conventional system, N150P25K95). The average yield (based on 3 trial years) of conventional systems was 25% higher, compared to organic systems. However, in organic systems, the yield was the most stable. The most fluctuating cropping system was the most intensively managed N150. In each trial year, the yield differed statistically and it varied from 4.7 t ha −1 up to 10.9 t ha −1 . Org I had the same dry matter yield as the N0 system, where chemicals were used, meaning that using chemicals for plant protection but no fertilizer for growth improvement had no positive effect. In each year, the yield in Org III system was similar to N50 system. Regarding the tubers per plant, there were no differences between farming systems but there was a significant difference between the trial years. The tubers in conventional systems had a lower starch content than the organic systems. It is possible to conclude that if cover crops and manure are used, organic farming practices provide just as good results as the conventional farming with low nitrogen level.

Suggested Citation

  • Kalle Margus & Viacheslav Eremeev & Evelin Loit & Eve Runno-Paurson & Erkki Mäeorg & Anne Luik & Liina Talgre, 2022. "Impact of Farming System on Potato Yield and Tuber Quality in Northern Baltic Sea Climate Conditions," Agriculture, MDPI, vol. 12(4), pages 1-12, April.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:4:p:568-:d:796423
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    References listed on IDEAS

    as
    1. Alon Tal, 2018. "Making Conventional Agriculture Environmentally Friendly: Moving beyond the Glorification of Organic Agriculture and the Demonization of Conventional Agriculture," Sustainability, MDPI, vol. 10(4), pages 1-17, April.
    2. Karin Kauer & Sandra Pärnpuu & Liina Talgre & Viacheslav Eremeev & Anne Luik, 2021. "Soil Particulate and Mineral-Associated Organic Matter Increases in Organic Farming under Cover Cropping and Manure Addition," Agriculture, MDPI, vol. 11(9), pages 1-23, September.
    3. Verena Seufert & Navin Ramankutty & Jonathan A. Foley, 2012. "Comparing the yields of organic and conventional agriculture," Nature, Nature, vol. 485(7397), pages 229-232, May.
    4. Adrian Muller & Christian Schader & Nadia El-Hage Scialabba & Judith Brüggemann & Anne Isensee & Karl-Heinz Erb & Pete Smith & Peter Klocke & Florian Leiber & Matthias Stolze & Urs Niggli, 2017. "Strategies for feeding the world more sustainably with organic agriculture," Nature Communications, Nature, vol. 8(1), pages 1-13, December.
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