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When they ecosystems do not have enough time to recover before another drought or fire they may suffer permanent damage. Photo: Russ Allison Loar CC BY-NC-ND 2.0 DEED Attribution-NonCommercial-NoDerivs 2.0 GenericPhoto: Russ Allison Loar CC BY-NC-ND 2.0 DEED Attribution-NonCommercial-NoDerivs 2.0 Generic

Drought alters post-fire recovery in the U.S.

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NASA satellite data reveal how drought has hampered recovery from wildfires in the western United States, resulting in the risk of creating permanent soil damage
Cyanobacteria, or blue-green algae, have a high iron content and can be used to produce biological fertilizers. Photo: Josef Reischig CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 UnportedJosef Reischig CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unported

Cyanobacteria are amazing biofertilizers for soil

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According to a U.S. study, cyanobacteria or "blue-green algae" can be used to produce a biofertilizer suitable for iron-poor soils, thus turning into a valuable natural resource for farmers
EPA researchers are testing biochar on the grounds of the Salt Chuck Mine,a former mine located on Prince of Wales Island in southeast Alaska. Photo: Jsayre64 CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 UnportedJsayre64 CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unported

Alaska researchers use biochar to decontaminate soil from copper

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Researchers want to exploit biochar's ability to absorb heavy metals. U.S. Environmental Protection Agency is currently at work on the soils of a former mine
In eastern U.S. forests, trees cool the land surface by 1-2°C per year compared to nearby grasslands and agricultural fields. Photo: Miguel.v CC0 1.0 DEED CC0 1.0 UniversalMiguel.v CC0 1.0 DEED CC0 1.0 Universal

Reforestation curbed climate change in the eastern U.S.

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Reforestation that began in the 1930s was able to mitigate the effect of climate, explains an Indiana University study. Trees cooled the eastern U.S. while the rest of the country became warmer
Historical yield study involved ten corn and soybean fields in Michigan, Illinois and Indiana, in the agricultural region of the American Midwest.Photo: Dwight Burdette CC BY 3.0 DEED Attribution 3.0 UnportedDwight Burdette CC BY 3.0 DEED Attribution 3.0 Unported

Crop yield history reveals details of soil health

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A study by the University of Michigan reveals the link between agricultural yield and soil quality. Using a new metric, key information can be obtained to plan agricultural strategies while reducing environmental impact
Caribbean islands are particularly prone to flash drought. Photo: Connie Ma CC BY-SA 2.0 DEED Attribution-ShareAlike 2.0 GenericConnie Ma CC BY-SA 2.0 DEED Attribution-ShareAlike 2.0 Generi

A new method for measuring flash drought in the Caribbean

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Drought is increasingly threatening Caribbean islands. If we want to measure, anticipate and mitigate its effects, a U.S. study notes, we need to rely on a new index
During flood events, cover crops reduce the release of nitrate and phosphorus from the soil. SSGT Paul Griffin Release Status: Released to Public Combined Military Service Digital Photographic FilesPaul Griffin Release Status: Released to Public Combined Military Service Digital Photographic Files

Cover crops are a barrier against agriculture-based pollution

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According to a U.S. study, the application of cover crops on a share of cultivated land reduces the maximum concentration of ammonia and phosphorus by more than 30 percent. Whose accumulation is favored by floods
Irrigation absorbs 88 percent of all fresh water consumed on a global scale. Photo: USDA PDM 1.0 DEED Public Domain Mark 1.0 UniversalUSDA PDM 1.0 DEED Public Domain Mark 1.0 Universal

Optimizing crop combinations can alleviate water shortages

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A study highlights how water scarcity can be solved in the U.S. six major river basins. Shifting to less water-intensive crops that still provide adequate incomes for farmers is crucial
Bacteria that can convert gaseous nitrogen to ammonia provide the nutrients plants need and regenerate the soil. Photo: Oleksandr, Pexels Free to usePhoto: Oleksandr, Pexels Free to use

‘Protected’ bacteria replace chemical fertilizers

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MIT scientists have developed a coating to protect and 'package' bacteria, making them transportable from the production lab to the field. Where they become an alternative to fertilizers
A spreader unloads crushed metabasalt rock on a fallowed corn field in the Central Valley. Photo: Amy Quinton/ UC Davis, for media useAmy Quinton/ UC Davis, for media use

Crushed volcanic rock helps soil capture carbon

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A new study highlights the effectiveness of rock dust in aiding the process. Even under severe drought conditions