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Biosolids are a by-product of the wastewater treatment process and can be used as fertilisers as they are rich in nitrogen and phosphorus. Photo: City of Geneva ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 DeedCity of Geneva ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 Deed

US bio-fertilisers are useful but watch out for contamination

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Used as fertilisers, biosolids produced by wastewater treatment can be very beneficial for the soil. This is also why, according to a study, it is important to analyse their content to prevent contamination phenomena
Answers to questions about past and future erosion could be found in the fossil sediments of the Pyrenees. Photo: NASA public domainPhoto: NASA public domain

Answers to questions on climate and erosion are 56 million years old

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A study by the University of Geneva revealed how erosion in the Pyrenees increased 4-fold during the global warming experienced between the end of the Palaeocene and the beginning of the Eocene. A scenario that could now be repeated
The effectiveness of non-sulphur purple bacteria as fertilisers was tested in spinach cultivation. Photo: RIKEN press releaseRIKEN press release

Marine bacteria may serve as a natural soil fertiliser

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A Japanese study tested the effectiveness of purple non-sulphur bacteria in providing nutrients to plants. Thanks to their enzymes, these microorganisms take nitrogen from the atmosphere and then incorporate it into proteins
Found in the foams of many products, PFAS are persistent substances in the soil and hard to eliminate. Photo: Michigan Department of Environment, Great Lakes, and Energy ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 DeedMichigan Department of Environment, Great Lakes, and Energy ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 Deed

Australian researchers tested a new method for PFAS decontamination

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Researchers at the University of New South Wales in Sydney have developed an effective technique to break down the strong carbon-fluorine bonds that make PFAS hard to break do
Grafting mycorrhizal fungi boosts crop yields and is an alternative to chemical fertilisers. Photo: Rajarshi Rit ATTRIBUTION 4.0 INTERNATIONAL CC BY 4.0 DeedRajarshi Rit ATTRIBUTION 4.0 INTERNATIONAL CC BY 4.0 Deed

In acidified soils, fungi are an alternative to chemical fertilisers

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According to Chinese research, the inoculation of mycorrhizal fungi results in a significant growth of the plant biomass of soybeans as well as the development of an optimal microbiome in the soil
Driven by climate and agricultural activities, the greatest soil loss in the United States has occurred mainly in the Central Great Plains, on slopes and in cultivated soils. Photo: Steven Martin ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 DeedSteven Martin ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 Deed

How climate and human activities have eroded the US soil

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Climate and land-use change have promoted erosion in the United States over the past 70 years. The Central Great Plains has experienced the most significant loss
Permafrost thawing awakens microbes that process organic matter, producing greenhouse gas emissions. Photo: NPS Climate Change Response PUBLIC DOMAIN MARK 1.0 UNIVERSAL PDM 1.0 DeedNPS Climate Change Response PUBLIC DOMAIN MARK 1.0 UNIVERSAL PDM 1.0 Deed

Permafrost microbes may further accelerate climate change

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Permafrost microorganisms, explains a study by Colorado State University, are also able to break down polyphenols. A finding that could force an upward correction of CO2 emission previous estimates
PFAS contamination hits British otters. © Copyright Peter Trimming ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 Deed© Copyright Peter Trimming ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 Deed

Fluoride contamination affects British otters

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Otters deceased near a factory in the UK show traces of toxic perfluorinated alkylated substances that have spread into the environment and soil, a Cardiff University study says
The allele frequency of organic barley plants changes over the years favouring their adaptability. Photo: Jamain ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 DeedJamain ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 Deed

Organic farming affects plant genetics

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A study by the University of Bonn shows how conventionally and organically grown barley plants develop differently. The latter experience adaptations in their genetic material
In larch and broad-leaf forests, nitrogen deposition has no significant impact on soil chemistry. Photo: olive jion ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 Deedolive jion ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 Deed

Mixed forests are less vulnerable to soil acidification

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The Chinese study: in larch and broad-leaf forests, nitrogen deposition has no significant impact on soil chemistry. Therefore, in the fight against acidification, the creation of mixed forests could be effective