Articles tagged with Soils
Researchers found that soil contains antibiotic resistance genes that can be transmitted to humans, making it a pressing public health threat. The study reveals how these genes spread through the environment and highlights the importance of understanding soil ecosystems to control antibiotic resistance.
The UN reports that over 77.6% of the world's land experienced drier conditions in recent decades, with drylands expanding by nearly a third larger than India. This trend is driven by human-caused climate change and has dire implications for agriculture, ecosystems, and people living in affected areas.
Researchers found that coating rice seedlings with magnesium-doped durian-derived carbon dots increased antioxidant activity and photosynthesis, reducing stress caused by salty soil. The treatment improved plant growth and defense mechanisms in salty soils.
A new long-term soil health survey in Uganda aims to understand the role of tenure security and plot decision-makers in soil health outcomes. The survey identifies differences in soil health between plots managed by women farmers and men farmers.
Research reveals that certain soil microbes can enhance flower size, resulting in increased bee visitations, but high colonization levels may lead to smaller flowers. The study focuses on arbuscular mycorrhizal fungi associations with plant roots and their impact on floral traits and pollinator interactions.
A study reveals that soil emissions account for at least a quarter of nitrogen oxide emissions in California's Salton Sea air basin, with annual total emissions reaching 11 tons per day. The findings highlight the need to better understand and account for agricultural soils' emissions to improve air quality in rural areas.
Researchers found that streams near farms are a significant source of nitrous oxide emissions, with some areas emitting up to half of the total emissions in the region. The study suggests that targeting mitigation efforts on streams and rivers connected to agricultural soils can help reduce greenhouse gas emissions.
The report charts a course correction for how the world grows food and uses land, highlighting the central role of land in maintaining Earth's stability. Land degradation is undermining the planet's capacity to support humanity, with seven out of nine planetary boundaries negatively impacted by unsustainable land use.
Researchers from Brazil and Spain developed computer models to estimate crop maturity and yield using remote sensing technologies, increasing productivity and reducing CO2 emissions. They also created a system to estimate soil moisture levels with high accuracy, helping growers manage water usage more efficiently.
Researchers used machine-vision technology to compare targeted sprays with traditional broadcast applications, saving an average of 28.4-62.4% on postemergence herbicides. This study demonstrates potential for lower herbicide costs and improved environmental stewardship in soybean farming.
Scientists have developed an innovative system using artificial intelligence and Raman spectroscopy to identify and isolate aluminum-tolerant microorganisms from acidic soils. The AI-RACS system enables high-throughput automated workflows for functional analysis of specific microbes, uncovering new perspectives on microbial survival an...
A 20-year experiment found that warmer soils alter the behavior of tree roots in different ways, with oak trees changing their interactions with soil microbes but maple trees maintaining their patterns
Researchers at Colorado State University have developed a new method to break down PFAS, a group of human-made 'forever' chemicals. The system uses an LED light-based photocatalytic approach that can be used at room temperature, offering a more sustainable and efficient solution than traditional chemical manufacturing processes.
Greg Liu has developed a revolutionary way to convert certain plastics into soaps, detergents, lubricants, and other products through thermolysis. The process breaks down polypropylene and polyethylene molecules into chemical compounds, leaving minimal residual solids and usable oil.
A team of researchers has discovered diverse microbial communities in the Atacama Desert, the driest place on Earth. They developed a new method to separate extracellular and intracellular genetic material, allowing for better insights into microbial life in low-biomass environments.
Frank Yin, a renowned agronomy researcher at UTIA, has been recognized with the prestigious 2024 American Society of Agronomy Fellowship. Throughout his career, he has made significant contributions to research and education in areas such as nutrient management, precision agriculture, and soil conservation.
The SOLO project held its second face-to-face stakeholder meeting in Sofia, Bulgaria, focusing on soil health research and innovation. The event brought together 60 participants, including project partners and external stakeholders, to facilitate collaboration and knowledge exchange.
Researchers at the University of São Paulo developed a novel nanotechnology-based solution to remove micro- and nanoplastics from water. The process uses magnetic nanoparticles that bind to tiny plastic particles and can be removed with a magnet.
A study by Texas A&M University has revealed high levels of lead, barium, and chromium in soil samples from the Greater Fifth Ward neighborhood. The findings highlight the need for environmental protection programs to address health risks associated with heavy metal exposure.
A UTEP research team will investigate the impact of climate change on pecan orchards in the US and Mexico, focusing on drought, heat waves, and soil management. The study aims to develop insights for farmers and policymakers on improving water use efficiency and carbon sequestration.
Research found that iron oxide nanoparticles reduce the lifespan, longevity, and reproductive ability of Enchytraeus crypticus in a 202-day study. Population density may influence nanoparticle toxicity, with lower-density groups experiencing greater harm.
Scientists discovered that gophers, which were introduced to a devastated area after the 1980 eruption, helped regenerate plant and animal life through their digging. The bacteria and fungi they brought to the surface helped plants establish themselves and survive.
The MEMELAND project will analyze sediments and soil in lakes across Europe to reveal how medieval farming shaped today's landscapes and biodiversity. The study aims to protect northern Europe's essential biodiversity by understanding the environmental changes that occurred during this period.
New research found that bio-based fibres have a range of adverse effects on earthworms, animals critical to environmental health. The study highlights the importance of testing new materials before they are released on the market.
The John Innes Centre, LMU Munich, and Leiden University have secured €8.3m in funding to study circadian rhythms in non-photosynthetic bacteria, which could have significant implications for human health and the environment. The project aims to understand the properties and ecology of biological clocks across a new kingdom of life.
Researchers at the University of Oregon have designed a system to improve soil health in hazelnut farms, reducing the impact of climate change. By partnering with 20 farms across the Willamette Valley, they aim to demonstrate the ecological and economic benefits of native wildflowers and basalt dust amendments.
A machine learning model predicts soil behavior during earthquakes, identifying areas vulnerable to liquefaction and providing contour maps for safer construction sites. The study uses geological data to create detailed 3D maps of soil layers, improving prediction accuracy by 20%.
A new study by Rice University researchers found that invasive plants reshape soil microbial communities across the US, making them more uniform and disrupting ecological balance. The study highlights the critical belowground effects of invasive plants on soil health and biodiversity.
A study found plastic mulch contaminates soil with up to 25 kg of macroplastic debris per hectare, affecting critical soil functions even under best management practices. Microplastics were also detected, with concentrations positively correlated with macroplastic levels.
A KAUST-led global study found that livestock management and climate explain woody species coverage in arid environments. Managing grazing pressure and type of herbivore can allow for more sustainable production in these ecosystems.
Researchers found that the presence of a fungus increases the pH of the soil, promoting growth of beneficial bacteria. This interaction could lead to sustainable agricultural practices by harnessing microbial interactions to combat plant diseases.
A team of researchers has identified mangrove bacteria that can transform polyethylene terephthalate (PET) particles, which are a major contributor to ocean pollution. The discovery of novel enzymes and bacterial species with the ability to break down PET could potentially be used to develop new strategies for plastic waste cleanup.
Plant roots use a silent molecular 'language' to direct fungi to attach, providing phosphates. Researchers discovered that strigolactone activates fungal genes associated with phosphate metabolism, leading to new strategies for cultivating hardier crops and combatting disease-causing fungi.
Global soil compound drought-heatwave (SCDHW) events are increasing, with a notable escalation from 1980 to 2023, driven by global warming. The severity of SCDHWs is concentrated in summer and more intense in the northern hemisphere.
Research shows nanomaterials can blunt heavy metal contamination's effects while increasing crop yields and nutrient content. Nanonutrients reduce pollution's impact by 38%, enhancing soil fertility, leading to improved crops.
Brazilian researchers are transforming Agave sisalana into a sustainable bioenergy source for the semi-arid climate region, requiring less water and fertilizer than sugarcane. The team has developed genetically modified yeasts to metabolize inulin and biostimulants to accelerate agave growth.
Researchers found that extreme temperatures and humidity projected for the Amazon under climate change may increase methane-producing microorganisms in flooded areas and reduce methane uptake in upland forests by 70%. This could lead to a shift in the balance of greenhouse gas emissions, with significant global impacts.
The LANDFEED project aims to develop advanced nutrient recovery technologies and innovative coatings for bio-based fertilisers to improve nutrient release and efficiency. This will reduce greenhouse gas emissions, lessen environmental impact on water resources, and contribute to improved soil health and sustainable agriculture.
The Antarctic Peninsula has experienced a dramatic increase in vegetation cover over the last four decades, with satellite data showing an acceleration of 30% in recent years. This 'greening' trend is attributed to climate change and has significant implications for the region's ecosystem and environmental future.
A recent study found that climate factors play a more dominant role in determining wood density for tree species than soil characteristics, while both factors equally influence shrub species. The research provides new insights into vegetation responses to environmental factors, with implications for improving ecosystem predictions.
Two populations of the same wild species, Brassica fruticulosa, have evolved differently under similar environmental conditions, revealing distinct adaptation strategies to soil salinity. The study identifies two adaptive responses, one involving sodium restriction and the other through efficient osmotic adjustment mechanisms.
A new study reveals that bais, vast treeless clearings in the Congo Basin, are home to numerous endangered species, including Western lowland gorillas and African forest elephants. The researchers found over 2,000 distinct bais, covering less than 0.2% of the national park's landscape.
A new study finds that a nearby eroding river gorge is causing Mount Everest's peak to rise by 15-50 meters over the past 89,000 years. The research suggests that the loss of landmass due to erosion is causing the mountain to spring upwards by as much as 2 millimeters a year.
Researchers found that injecting dairy farm manure into a live cover crop in early spring reduces ammonia escape and nitrous oxide emissions, while maintaining soil nitrogen loss. This approach achieves multiple conservation goals, including reduced pollution and improved soil fertility.
A new study published in Nature Ecology & Evolution found that warmer temperatures and nitrogen fertilization can stabilize soil carbon levels, contradicting earlier predictions. Plant roots and growth add new carbon to the soil, counteracting the loss of carbon due to climate change.
Researchers aim to reduce PFAS contamination risk in agriculture by developing monitoring tools and strategies for remediation. The study focuses on comprehensively understanding PFAS uptake and bioaccumulation in plants, advancing strategies for PFAS remediation in biosolid/soil.
Researchers found that stored human urine had little impact on soil bacterial communities, increasing nitrifying and denitrifying groups compared to synthetic fertilizers. The study suggests that recycled urine could enhance agricultural sustainability, reduce wastewater pollution, and decrease reliance on synthetic fertilizers.
A new USDA-funded research grant supports the development of sustainable, biodegradable mulch films that can provide nutrients to crops while reducing plastic pollution. The project aims to create durable and effective films that can be used for years without harming the environment.
A team of researchers from Shibaura Institute of Technology developed a moving particle simulation-aided soil plasticity analysis for earth pressure balance shield tunnelling. The study found that earth pressure is a reliable indicator for analyzing soil plasticity and proposed a computer-aided analysis system that precisely reflects e...
Researchers found that regrowing tropical forests on pastureland can reduce soil carbon emissions by nearly two-fold, offering a quick win in the fight against climate change. This unexpected finding is attributed to warmer temperatures experienced by soils in pastureland, which may explain higher carbon dioxide emissions.
The study reveals significant spatial differences in diversity, structure, and function of microbial communities in the rhizosphere of Boehmeria nivea L. Volcanic soil plays a key role in forming microbial community diversity. Bacterial generalist species dominate, while fungi show greater ability to break down complex organic polymers.
A recent study from the University of Illinois provides new insights into the sources and processes affecting nitrogen load in tile drainage water. The research team found a large legacy pool of nitrate in the soil, resulting in a time lag between when nitrogen is added to the system and when it is exported as nitrate in tile drainage.
Researchers harvested climate-smart soybeans in a $5 million USDA project aiming to reduce GHG emissions while increasing crop production. The crop was grown using five climate-smart practices, including earlier planting and soil conservation.
Researchers developed a comprehensive roadmap to measure legacy phosphorus accumulation in soils. They identified key priorities and non-priorities, providing a unified vision for future phosphorus use. The study found that accumulated phosphorus is often located in the top 12 inches of soil and transforms into different forms than whe...
A recent study by the UK Centre for Ecology & Hydrology found that growing maize to produce biomethane on drained peat emits up to three times more carbon dioxide than using natural gas. The production of crops like maize for bioenergy has rapidly increased, leading to a significant expansion of cultivated areas on drained peatlands.
Researchers at the University of Delaware found that flooded rice fields contain higher amounts of arsenic and lower amounts of cadmium. The drier conditions lead to lower arsenic and higher cadmium levels. This study provides potential guidance for reducing toxic metals in foods typically eaten by infants and children.
Researchers analyzed water from over 100 wells in Denmark for trifluoroacetate, a persistent PFAS. Groundwater concentrations increased significantly since the 1960s, suggesting a link to changing atmospheric deposition and local pesticide application.
Researchers have identified specific materials that can effectively block harmful space radiation on Mars, including plastics, rubber, and synthetic fibers. The findings provide crucial insights for designing protective habitats and spacesuits, paving the way for safer long-duration Mars missions.
Researchers discovered that wheat and lettuce plants actively grab, transport, and utilize solid mineral particles from their roots to shoots. This study provides crucial insights into the direct uptake routes of plants in their soil environment, potentially altering how we manage crop nutrition and soil health.
A pilot study found that partially substituting soil with recycled glass fragments speeds up plant development and reduces unwanted fungal growth. The researchers grew cilantro, bell pepper, and jalapeño plants in pots containing different ratios of glass to soil.