Articles tagged with Soils
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Acidobacteria use low-affinity terminal oxidases to 'breathe' oxygen at nanomolar concentrations, challenging traditional assumptions. These microbes also scavenge atmospheric hydrogen to survive nutrient-poor periods, playing a central role in soil microbial communities and ecological balance.
A 15-year study on Guam's native cycad tree found that transplanted individuals have a high mortality rate when introduced to foreign soil, with less than 10% surviving long-term. The results highlight the importance of considering local adaptation for conservation efforts.
A recent study investigated the relationship between switchgrass and soil microbes, revealing that each cultivar harbors a unique community of bacteria and fungi. The research found that root characteristics, such as length and diameter, differ among cultivars and may influence soil microbiomes.
Scientists have developed a new method to identify the movements of criminals by analyzing soil and dust found on equipment, clothing, and cars. This technique uses geochemical analysis to match soil remnants to regional samples, allowing police to pinpoint crime scenes. The method has been tested in a trial with promising results.
A new method for analyzing soil nematode communities has been developed using DNA barcoding, revealing characteristics of nematode communities in fields, copses, and home gardens. The study found that plant parasitizing nematodes were abundant in copse soils and bacteria feeders were abundant in home garden soils.
Researchers develop roadmap combining smart and nano-enabled agriculture with AI and machine learning capabilities to reduce hunger by 2030. The study outlines steps needed to safely harness the power of nanomaterials in agricultural environments.
Researchers applied compost to apple orchards, finding it increased the number of beneficial bacteria that recycle nutrients. This leads to more nutrients available for apple trees, reducing the need for fertilizers and promoting sustainable agriculture practices.
A new study published in Nature Communications finds that sand grains are in constant motion, challenging prevailing theories. Researchers used optical interference data to observe individual sand particles at rest and found they behave like glass, with creeping soil rates controlled by disturbances such as heat or tapping.
Researchers at UT Austin developed a machine learning model that predicts the amount of lateral movement in soil during earthquakes, achieving 80% accuracy. The model uses over 7,000 data points from Christchurch, New Zealand, and was trained on the Frontera supercomputer.
Researchers found that up to 40% of lead in airborne particles comes from legacy leaded petrol, highlighting the persistence of contaminants introduced by human activities. Long-term low-level exposure to lead can have detrimental health effects, and measures should be taken to reduce further lead emissions.
Researchers found that bacteria can break down up to 82% of contaminated soil in five years through the landfarming method, a new approach for Arctic regions. The study demonstrates the potential of naturally occurring bacteria to remediate diesel pollution at abandoned military installations.
A study analyzing charcoal and phytolith records in northeastern Peru suggests that indigenous societies helped maintain forest integrity over the last 5,000 years. Material remains of ancient cultures, such as ceramics and stone tools, were absent from soil samples, supporting the findings.
A new study in PNAS reveals that a rainforest in the Putumayo region of Peru has been home to relatively unaltered forest for 5,000 years. Researchers found microscopic silica and charcoal in the soil, which indicate that humans coexisted with nature without altering the environment.
Researchers at Boston University create first-of-its-kind model to predict abundance of different species of soil microbes in various environments. The model takes into account environmental factors such as plant species, pH, temperature and climate, and has huge implications for agriculture, climate change and public health.
A 5-million-year-old sedimentary record at Charyn Canyon provides a rare insight into long-term land-climate feedback mechanisms. The analysis revealed increasing aridity over the past five million years, with short-term fluctuations influenced by westerly winds and the Siberian high-pressure system.
A Curtin University study finds that up to three-quarters of Western Australia's iconic Banded Iron Formations (BIF) biodiversity could be lost forever after mining. The research highlights the challenges of rehabilitating these unique ecosystems, which are home to nearly every plant species in the region.
Researchers found a significant reduction in galling on plant roots after incorporating beer bagasse and rapeseed cake into the soil with fresh cow manure. The treatment also boosted populations of beneficial microorganisms and increased crop yields by around 15% compared to control plots.
A Duke University study found that while lead levels have generally decreased since the 1970s, they remain above safety guidelines near residential foundations and in areas with high traffic density. Regular soil testing is essential to mitigate these risks and encourage cities to act on this issue.
A recent study published in Microbiome Journal found that soil protists respond to plant signals, shifting community compositions and altering nutrient cycling. This groundbreaking research highlights the importance of including protists in terrestrial ecological studies.
A global team has discovered that the nutritional quality of cereal grains varies substantially with location, posing a 'postcode lottery' to micronutrient deficiencies. The study found that some areas have much lower levels of essential nutrients like calcium and iron.
Researchers at Iowa State University are developing new models to predict soil erosion and topography changes in Iowa. The models use big-data technology and validate soil measurements from real-world LiDAR data, enabling more accurate predictions of environmental conditions.
Researchers at North Carolina State University found that standing dead trees in coastal wetland forests, known as ghost forests, emit significant greenhouse gases. The study, published in Biogeochemistry, reveals that snags increase overall ecosystem GHG emissions by about 25%.
Researchers found that earthworm guts have lower numbers and relative abundances of antibiotic-resistance genes compared to surrounding soils. The earthworms' unique gut environment may destroy ARGs or outcompete bacteria hosting them, suggesting a potential role in natural bioremediation.
A study analyzing 340 European soil samples reveals high levels of pesticide residues in conventional agriculture, while organic farming practices show lower contamination. The research emphasizes the need for regulations and reference points to protect soil biodiversity and quality.
The Brownfields Assistance Center at West Virginia University has helped communities resurrect once lifeless properties since 2006. The Center's expertise and guidance have enabled neighborhoods in the Mid-Atlantic region to transform brownfields into community assets, generating economic opportunity and jobs.
New research suggests that capping US Superfund sites with soil to lock in asbestos may increase human exposure to the cancer-causing mineral. Lab experiments found that soil's organic material enables asbestos to move through the ground and potentially into nearby water supplies.
Research found that antibiotics like streptomycin did not significantly impact the apple leaf microbiome, contrary to previous concerns. The study's findings suggest that geographical location plays a larger role in shaping bacterial composition than management strategy.
Researchers from the University of Córdoba found that foliar application is an efficient strategy to increase zinc content in plants by up to 50%. This method was more effective than soil application and can be beneficial for growers in developing countries where diets are limited to vegetable products grown in low-nutrient soils.
Researchers in the European Diverfarming Project introduced herbaceous species and aromatic plants to Mosel vineyards, reducing soil erosion and increasing biodiversity. The results show improved wine quality without negative effects on yield, suggesting a positive relationship between soil mineral acidity and wine quality.
Researchers have found that pathogenic soil microbes impede seedling emergence and subsequent growth in the centre of spinifex rings. The study suggests that older parts of the plant succumb to a build-up of these microbes, while new seedlings establish at the outside edge of the rings.
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.
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.
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.
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.
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.
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.
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.