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Worldwide, saline and sodic soils detected at a depth of one metre extend over 833 million hectares. Photo: Rheins ATTRIBUTION 3.0 UNPORTED CC BY 3.0 DeedRheins ATTRIBUTION 3.0 UNPORTED CC BY 3.0 Deed

Saline and alkaline soils can also contribute effectively to agriculture

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Although subject to fertility loss, saline soils represent an important agricultural reserve when treated with appropriate restoration techniques. A recent Chinese study examines them
Practices to reduce the release of nitrogen oxides do not slow down the process of restoring the ozone layer in the stratosphere that has been running for years. Photo: NASA ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 DeedNASA ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 Deed

Nitrogen emission cuts do not impact the ozone layer

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According to a study by the University of Sheffield, nitrogen oxide release reduction practices do not slow down the process of restoring the ozone layer in the stratosphere
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
Support for biochar is part of the Danish government's plan to mitigate CO2 emissions in the agricultural sector between now and 2030. Photo: Lars Plougmann ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 DeedPhoto: Lars Plougmann ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 Deed

Denmark bets on biochar for sustainable agriculture

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Biochar in the spotlight: the Danish plan to cut agricultural emissions includes a huge EUR 1.35 billion investment. Chiaramonti (PoliTo): "This solution embraces economic competitiveness and will guarantee multiple benefits"
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
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
Gli incendi forestali in Australia impattano anche sul sottobosco nascosto e la biodiversità. Foto: New Matilda from Brisbane Australia, Australia ATTRIBUTION 2.0 GENERIC CC BY 2.0 Deed

The impact of wildfires on understorey and biodiversity rises in Australia

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In areas affected by wildfires, which are increasingly severe and frequent in Australia as in the rest of the planet, there is a decrease in plant diversity
In China, the addition of biochar to agricultural soils has generally increased the organic carbon content of soil aggregates. Photo: Flickr Chris Farmland crops Changan Town China ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 DeedChris Farmland crops Changan Town China ATTRIBUTION-NONCOMMERCIAL 2.0 GENERIC CC BY-NC 2.0 Deed

Here is how biochar promotes the sequestration of organic carbon

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Biochar promotes the formation of soil aggregates and, with them, carbon sequestration, a research explains. In some Chinese farmland, the presence of the substance has increased by 60 per cent

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