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Peat as a Raw Material for Plant Nutrients and Humic Substances

Author

Listed:
  • Rasa Paleckiene

    (Department of Physical and Inorganic Chemistry, Kaunas University of Technology, LT-50254 Kaunas, Lithuania)

  • Raminta Navikaite

    (Department of Physical and Inorganic Chemistry, Kaunas University of Technology, LT-50254 Kaunas, Lithuania)

  • Rasa Slinksiene

    (Department of Physical and Inorganic Chemistry, Kaunas University of Technology, LT-50254 Kaunas, Lithuania)

Abstract

The ever-increasing intensity of agriculture is causing irreversible qualitative changes in the soil. Soil conservation and improvement is a priority of EU agro-environmental policy. However, this is also one of the most difficult challenges for agriculture. Various ways for sustainable agriculture have been proposed. One way to provide arable soil with humic substances is through the use of humic extracts. The aim of this work is to create a humic product for soil improvement from local raw materials, i.e., Lithuanian peat. Lithuanian peat samples from various peatlands with a different degree of humification were studied. The chemical composition of peat was determined using various methods (chemical analysis, AAS, XRD, SEM), and the optimal conditions for obtaining peat extracts were established. After examination of the chemical composition and properties of the peat extracts produced using 0.5 N KOH, it was determined that the sample with the highest degree of humification, (H8) Ezerelio JCS “Klasmann-Deilmann” (EKD), contained: 0.7% N; 0.1% P 2 O 5 ; 25.87% humic acids and 0.76% fulvic acids. It had a density of 1015 kg·m −3 , dynamic viscosity of 1.490 mPa·s, electrical conductivity of 33.3 mS·cm −1 and pH of 12.9.

Suggested Citation

  • Rasa Paleckiene & Raminta Navikaite & Rasa Slinksiene, 2021. "Peat as a Raw Material for Plant Nutrients and Humic Substances," Sustainability, MDPI, vol. 13(11), pages 1-13, June.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:11:p:6354-:d:568312
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    References listed on IDEAS

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    1. Nuraly Akimbekov & Xiaohui Qiao & Ilya Digel & Gulzhamal Abdieva & Perizat Ualieva & Azhar Zhubanova, 2020. "The Effect of Leonardite-Derived Amendments on Soil Microbiome Structure and Potato Yield," Agriculture, MDPI, vol. 10(5), pages 1-17, May.
    2. Jana Růžičková & Marek Kucbel & Helena Raclavská & Barbora Švédová & Konstantin Raclavský & Michal Šafář & Pavel Kantor, 2019. "Chemical and Mineralogical Composition of Soot and Ash from the Combustion of Peat Briquettes in Household Boilers," Energies, MDPI, vol. 12(19), pages 1-21, October.
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    Cited by:

    1. Agnieszka A. Pilarska & Krzysztof Pilarski & Mariusz Adamski & Maciej Zaborowicz & Dorota Cais-Sokolińska & Agnieszka Wolna-Maruwka & Alicja Niewiadomska, 2022. "Eco-Friendly and Effective Diatomaceous Earth/Peat (DEP) Microbial Carriers in the Anaerobic Biodegradation of Food Waste Products," Energies, MDPI, vol. 15(9), pages 1-19, May.
    2. Irma Yeny & Raden Garsetiasih & Sri Suharti & Hendra Gunawan & Reny Sawitri & Endang Karlina & Budi Hadi Narendra & Surati & Sulistya Ekawati & Deden Djaenudin & Dony Rachmanadi & Nur Muhammad Heriyan, 2022. "Examining the Socio-Economic and Natural Resource Risks of Food Estate Development on Peatlands: A Strategy for Economic Recovery and Natural Resource Sustainability," Sustainability, MDPI, vol. 14(7), pages 1-29, March.

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