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Abstract

The world in 21st century is facing the problem of growing energy consumption while the supply of fossil fuels is being reduced. This resulted in the development of research into the use of renewable energy sources and development of new technologies for energy production. In Polish conditions the development of agricultural biogas plants finds its legitimacy in the document developed by the Ministry titled "Trends in agricultural biogas plants in Poland in 2010-2020”. The purpose of this study was to investigate the influence of the weather conditions and the degree of nitrogen fertilisation on yield of reed canary grass (Phalaris Arundinacea L.) and to determine their susceptibility to anaerobic digestion, and usefulness of the production of biogas. Carried out experiments showed that increasing nitrogen fertilisation (from 40 to 120 kg N/ha) linearly increased canary grass green biomass yield from 32 to 46.3 t/ha. However, the highest biogas yield 126 m3/ha was obtained when 80 kg N/ha was applied.

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Authors and Affiliations

Stanisław Ledakowicz
Anna Kacprzak
Mariusz Matyka
Liliana Krzystek
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Abstract

The concept of regenerative agriculture increased as a response to the progressive degradation of soils intensively used in agriculture and the need to restore their biodiversity and fertility. A characteristic feature of this concept is not only to reduce the negative impact of agriculture on the environment, but also to improve its quality. The most characteristic elements of the concept of regenerative agriculture include: restoring soil health, including increasing the capacity to sequester carbon to mitigate climate change and reversing biodiversity loss. The EASAC report on regenerative agriculture relates mainly to the European Green Deal, and is a critical analysis of the scientific evidence base on the practices of regenerative agriculture to meet the main targets of the Farm to Fork and Biodiversity Strategy, carbon storage and food production. The publication of the report on regenerative agriculture by EASAC became an inspiration for organizing a seminar entitled “Regenerative Agriculture” on May 25, 2022. The seminar was organized as cooperation of three scientific committees of the Polish Academy of Sciences: the Committee of Agronomic Sciences, the Committee of Animal Sciences and Aquaculture and the Committee of Veterinary Sciences and Reproductive Biology, being an excellent forum for discussing such an important issue.
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Authors and Affiliations

Magdalena Frąc
1 2
Mariusz Matyka
1 3
Jan Rozbicki
1 4
Piotr Tryjanowski
5

  1. Komitet Nauk Agronomicznych PAN
  2. Instytut Agrofizyki Polskiej Akademii Nauk w Lublinie
  3. Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy w Puławach
  4. Szkoła Główna Gospodarstwa Wiejskiego w Warszawie
  5. Uniwersytet Przyrodniczy w Poznaniu

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