Articles tagged with Soils
A new radon gas measurement system will measure radon continuously in DeKalb County, helping builders plan mitigation efforts ahead of time. The system could be deployed globally to assess risk and determine hazard in underground mining operations.
Researchers have discovered a fungus that can improve nutrient uptake and yield in ketchup tomatoes, reducing the need for chemical fertilizers. The fungus, Ceriporia lacerata, enhances enzyme activity in soil and increases sugar-acid ratio, vitamin C content, and flavor in tomatoes.
The Cultural Landscapes Scanner pilot project uses AI to analyze satellite images and detect hidden archaeological sites. Researchers aim to improve detection of cultural heritage sites at risk of looting.
The new resource aims to equip development practitioners with skills to develop grants that foster access to agricultural data, leading to greater food security. The toolkit includes seven eLearning modules, guides, and case studies on FAIR principles and data sharing best practices.
Researchers at UMD have developed a new camera allowing for the imaging of wetland soil activity in real time, enabling the calculation of iron reduction rates. This technology opens up new research avenues in soil science, providing a better understanding of wetland soil behavior and its potential applications.
Researchers have confirmed histoplasmosis, a fungal infection transmitted through bat and bird droppings, is now found in Alberta, extending its known range northwest from the central United States and southern Ontario. Locally-acquired cases were primarily found in rural areas in central Alberta.
Researchers developed a cost-effective method to monitor soil moisture using a standard digital camera and machine learning technology. The system accurately determines soil moisture levels under various conditions, enabling precise irrigation and supporting sustainable agriculture.
A study found that deforestation in the Amazon leads to an increase in antibiotic-resistant soil bacteria, with a larger number of genes and molecular mechanisms detected in deforested areas than in forested ones. The researchers warn that these microorganisms can pose a significant public health risk if they reach humans.
A study published by Lindsey Slaughter found that adding manure to pastures increases soil organic carbon and microbial activity. The results took almost a year and a half to manifest, highlighting the challenges of implementing this method in dry climates.
Researchers identified pesticide residues at 100 Swiss farms, including all organic fields, with beneficial microbes' abundance negatively impacted by their occurrence. Organic farming strategies avoid synthetic substances, yet pesticides can persist in the soil.
Climate change has a stronger influence on soil microbial communities than land-use change, leading to increased bacterial richness but reduced community complexity. This shift may reduce specialization and adaptation capacity of ecosystems.
A team of researchers at Arizona State University has discovered a way to extract useful products from microbial growth in soil, shedding light on poorly understood processes. The study promises to help minimize environmental waste while producing biochemicals and biofuels.
A comprehensive database of Estonian soils and a map application have been completed to make soil information easily accessible. Key findings include the ability to derive large-scale actionable insights from the data, with potential applications in digital agriculture support, forest management, and environmental assessments.
Researchers have identified two potassium-independent cesium transporters in plants, which can take up toxic cesium without affecting plant growth. This breakthrough has significant implications for phytoremediation and solving agricultural issues related to radioactive contamination.
The US Corn Belt has lost around 35% of its organic-rich A-horizon soil through agricultural erosion, leading to a 6% decline in crop yields and $2.8 billion annual economic losses.
A team of scientists from RUDN University developed a new approach to automatic soil mapping using machine learning technologies. The method, which uses traditional rules for manual mapping, provides highly accurate results and easy-to-interpret maps, outperforming existing statistical models.
A new study aims to predict the size and hazard potential of shallow landslides using airborne laser mapping and hillside physics. The model identifies factors affecting landslide size that can't be determined from aerial data, highlighting the need for ground-based assessments.
Researchers at Princeton University developed a platform to visualize hydrogels' hidden workings in soils, revealing that the amount of water stored is controlled by a balance between swelling force and soil pressure. This study provides guidelines for designing hydrogels that can optimally absorb water depending on soil conditions.
Researchers investigated how high salt and nitrogen concentrations impact soil microbiome development in high tunnel systems. They found that these properties delayed the re-establishment of a diverse microbial community, with certain 'universal colonizers' surviving despite the stress.
Researchers discovered ancient Amazonian farmers built wooden palisades and earthworks to enclose valuable soils in Bolivia. This fortification demonstrates the importance of protecting investments in fertile land during social unrest.
Researchers led by Eliza Harris and Michael Bahn studied N2O emissions under environmental impacts, finding denitrification dominates production in dry soils. This process was previously thought to occur primarily in moist soils, leading to increased atmospheric emissions during drought.
Researchers studying soil conditions at US military installations along coasts aim to understand the effects of sea level rise and flooding. They will collect data through intensive monitoring and laboratory experiments to develop geospatial modeling tools.
Agricultural expert Angelia Seyfferth investigates how contaminants in soil affect rice plants, finding that adding rice husk residue can lower arsenic and cadmium levels. This discovery has potential to mitigate food contamination and protect global staple food populations.
Researchers at Penn State have discovered a new root trait that allows plants to grow deeper roots capable of penetrating hard soil layers. This trait, called multiseriate cortical sclerenchyma, is characterized by small cells with thick walls and lends rigidity to the roots.
Increased snow depth in northeastern China led to a continued warming trend in soil temperatures, contradicting observed surface air temperature cooling trends. This finding suggests the importance of snow cover in regulating soil temperatures and its implications for agriculture during periods of reduced global warming.
The Microbiology Society's report emphasizes the need for increased research into soil health and collaboration with farmers to design sustainable management practices. Soil degradation is a significant issue, with the UK facing a potential 30-40 year decline in soil fertility if current rates of degradation are not reversed.
Researchers at UCOLIVO Group reduce Verticillium wilt in commercial olive grove by integrating resistant crops and soil disinfestation practices, resulting in 3.1% Picual tree mortality vs 5.6% with traditional techniques. Frantoio trees show even greater resistance to the disease.
A study by São Paulo State University reveals that large fruit-eating mammals like peccaries and tapirs increase soil nitrogen levels, making areas more fertile for plants. This boosts plant growth, supporting the ecosystem, particularly in tropical forests.
Plant roots can sense compacted soils through ethylene hormone signals, hindering growth. Mutant roots insensitive to ethylene penetrate compacted soils more effectively.
Scientists have discovered a signal that causes roots to stop growing in hard soils, but after disabling it, roots can push through compacted soil. This discovery could help plants grow in damaged soils, reducing crop yields by up to 50%.
Soil organisms perform crucial services like nutrient transformation and water purification. A new monitoring network aims to improve understanding and protection of soil biodiversity.
A new study by Stanford researchers and others finds that a relatively affordable remediation process can almost entirely remove lead from contaminated soil, but challenges persist due to ongoing sources of exposure. The study's results raise troubling questions about how to effectively eliminate the poison from children's bodies.
A recent study by Morgan Grabau found that cattle grazing on corn residue in the spring can increase soybean yields and minimize soil compaction. Contrary to initial concerns, the team discovered that even high-intensity grazing did not significantly affect subsequent crop growth.
New research suggests that phosphorous and calcium levels in Amazonian dark earth are orders of magnitude higher than in surrounding soil, correlating with 16 trace elements that indicate pre-settlement river flooding delivered nutrients. This finding challenges the long-held theory that controlled burning created these fertile sites.
A study by RUDN University scientists found that global warming increases methane and CO2 emissions in rice paddies through the priming effect. Temperature fluctuations amplify this process, with increased sensitivity at temperatures between 5-15°C.
Researchers developed a method to identify soil color and structure using ground-penetrating radar, allowing for classification of soils for construction, agriculture, or mining. The technique was tested in Kamennaya Steppe, where it matched actual soil colors 80% of the time.
A new study finds that crops grown near Chernobyl's exclusion zone continue to be contaminated with radioactive isotopes, including strontium 90 and caesium 137. The contamination poses significant health risks to humans and the environment, highlighting the need for ongoing monitoring and remediation efforts.
A new technology that can quickly remove and destroy hazardous PFAS compounds from soil and groundwater has been developed by a team of scientists at the University of Rhode Island. The process, called XCT OxyZone, uses a combination of a sugar molecule and chemical oxidation to break down the compounds.
A $10 million project led by University of California - Riverside is investigating tiny underground microorganisms for a cure to fatal citrus disease. The research team will test whether soil amendments can suppress parasitic microorganisms and give trees more strength to combat diseases like HLB.
Studies in Cameroon, Indonesia, and Peru found that forest conversion to agriculture and degradation slows carbon and nitrogen cycles, affecting greenhouse gas flows. Methane removals decreased by up to 47% and nitrous oxide emissions dropped by 52%, but results are equivocal for peatland degradation.
A new study from North Carolina State University found that using compost as daily cover at landfills can have significant environmental benefits, including reducing eutrophication and acidification. In contrast, using compost to amend soil can be more effective in reducing abiotic resource depletion potential.
A study led by the University of Texas at Austin found that bedrock fractures can produce up to 29% of daily average CO2 emitted by land, depending on the season. This source challenges climate change models and sheds light on a previously inaccessible part of the landscape.
A recent study found that pesticides in contact with plastic mulch can lead to delayed degradation, contaminating the soil and potentially harming the ecosystem. The use of biodegradable plastics was shown to have a higher percentage of pesticide sorption, leading to concerns about soil contamination.
Scientists highlight cassava as an overlooked solution to tackle environmental concerns. Cassava can revive degraded land, lower greenhouse gas emissions and promote peace in conflict-prone areas.
Researchers discovered that stressed oak trees have more diverse fungal communities than healthy ones, with mutually beneficial relationships providing a buffer against climate change. This symbiotic relationship maintains ecosystem balance and could help conserve tree health in California woodlands.
A Cornell University research team will use acoustic technology to monitor and manage soil-dwelling pests, preventing damage from predators. The project aims to provide turfgrass managers with greater knowledge and decision-making power about pest distributions and management strategies.
TPU scientists have developed an eco-friendly hydrogel for agriculture that retains moisture and fertilizers in soil, degrading into non-toxic products. The new formulation uses natural components like whey protein and alginic acid, reducing the need for freshwater conservation and minimizing fertilizer's harmful effects on the soil.
Researchers used marine controlled-source electromagnetic imaging to map a pattern of alternating ash/soil and basalt layers that trap fresh groundwater while forcing out seawater. This discovery suggests a novel mechanism for transporting freshwater offshore to the submarine flank of the island.
A Cornell University project aims to develop worm-like, soil-swimming robots to sense and record soil properties, water, and root growth. The goal is to improve breeding efforts and soil management to increase food productivity and security.
Researchers at UC San Diego are launching an experiment to the ISS to study mudslides in microgravity and develop technologies to prevent them. They hope to create a protective layer using Xanthan gum, a common food additive.
Researchers found that forest expansion into savannas has continued amid increasing moisture levels, but with recent deforestation impacting the trend. The study suggests conserving the Amazon-Cerrado transition may help mitigate climate change impacts.
The University of Texas at El Paso has received a $1.18 million grant from the National Science Foundation to study abiotic carbon dioxide (CO2) dynamics in dryland systems through irrigated pecan orchards. The project aims to understand the conditions that enhance CO2 production and develop methods to model and predict its impact.
The report assesses soil biodiversity across the globe, highlighting its decline and impact on ecosystem services such as water cycle regulation and carbon sequestration. The study provides a comprehensive framework for managing soil health, which is crucial for maintaining agricultural productivity and mitigating climate change.
Researchers at Uppsala University have discovered two previously unknown fungus species using a novel method based on DNA analysis of soil samples. These fungi are thought to play a key role in the ecosystem, but their exact function remains unclear.
Scientists have developed transparent soil substitutes that allow researchers to observe the complex interactions of soil microbes. Using these substitutes, researchers found that soil bacteria rely on fungi to survive dry periods, highlighting the crucial role of fungi in maintaining soil health.
A new type of soil created by engineers at the University of Texas at Austin can pull water from the air and distribute it to plants, potentially increasing crop yields in previously inhospitable areas. The hydrogel soil retained up to 40% of its initial water quantity, outperforming sandy soils in dry areas.
Scientists have simulated how soil moisture affects peat fires, finding that drying soils sustain faster and larger smouldering fires. The research aims to help manage vegetation clearing in peatlands safely.
Researchers highlight PFAS' widespread presence in the environment, bioaccumulation risks, and difficulty in remediation. Health effects may include increased cancer rates, hormonal disruption, and immune responses.
Researchers from the University of Bonn and around the world propose a strategy to use soils to bind large quantities of carbon, reducing greenhouse gas emissions by a third. By increasing plant growth and crop yields through simple measures like mulching and fertilizing, farmers can effectively sequester carbon in the soil.
Researchers establish relationship between soil nitrogen at different growth stages and corn yield, finding a tradeoff between productivity and environmental impact. Soil nitrogen explains majority of grain yield variation, with optimal levels resulting in 22% yield increase.