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.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
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.
Nematodes, tiny worm-like organisms, have shown the ability to survive in dry conditions for up to three years, highlighting the need for improved detection methods. The study found that nematodes can infect plant hosts even after extended periods, emphasizing the importance of biosecurity measures.
Research published in BMJ Open found that improvised explosive devices (IEDs) cause more severe injuries than landmines, particularly among children. IED victims are more likely to suffer multiple amputations, genital/gluteal injuries, and pelvic fractures.
Researchers at Lomonosov Moscow State University have designed a simple technique to quantify soil color using a low-cost digital device, such as an office scanner. This method reduces errors in soil mapping and organic carbon estimation, increasing accuracy.
University of Delaware researchers have developed new methods to evaluate the risk of subsurface phosphorus losses in US croplands, particularly in flat and artificially drained areas. The study uses soil data to improve existing phosphorus index models and provides a more accurate assessment of subsurface phosphorus risks.
Researchers found that the bacteria communities in the National Mall's soil did not change significantly before and after the renovation. The study highlights the importance of understanding how changes in the soil microbiome can impact plant productivity and health.
A University of Texas at Arlington civil engineer will model large-diameter water transmission pipes' behavior in different types of soils to establish modeling standards. The research aims to improve the reliability and economics of large diameter pipelines, ensuring a long-lasting and sustainable way of building drinking water infras...
Researchers found that high levels of silicon concentrations decrease insect growth and root consumption by up to 71%. Silicon helps plants build phytoliths, making them less digestible to insects, and triggering an immune system response. This natural defense mechanism could provide a sustainable solution for crop protection.
A recent study from Guam found that non-native Acacia trees alter the soil chemistry and root-zone nutrient budgets, causing collateral ecosystem deviations. The results contribute to ongoing global discussions about afforestation for revegetating tropical degraded habitats.
Researchers found high sodium and selenium levels in soil and airborne particulate matter from the Salton Sea, posing negative ecological and health risks. The study highlights the need for monitoring and remediation efforts to mitigate dust emissions from the shrinking lake.
Researchers developed a portable x-ray fluorescence spectrometry (PXRF) device to measure calcium levels in soils. The device provides accurate data on 20 elements in 60 seconds, improving field assessments for soil scientists.
Satellite data can optimize fertilizer use, protect groundwater, and monitor agricultural areas more efficiently. The DEMMIN soil measurement and validation site is a key player in this initiative.
Researchers have successfully developed a new method to analyze soil microbial communities and their role in the development of Sudden Death Syndrome (SDS) disease in soybean. By profiling microbes, scientists found significant differences between healthy and diseased areas, suggesting that biological factors play a key role in determi...
Researchers investigated hydro-edaphic conditions in two savanna areas, sampling 20 permanent plots and classifying 128 plant species into 34 families. The study highlights the importance of conservation in this ecosystem, which has been rapidly modified by agribusiness.
Scientists have found evidence that the soil microbiome in restored Illinois prairies is recolonizing and recovering, closely resembling those in untouched natural prairies. This discovery suggests that restoration efforts are working at a foundational level, contributing to the health of people and the planet.
The study reveals that ancient Rapa Nui people consumed a balanced diet of seafood and terrestrial resources, with evidence suggesting deliberate management of agricultural crops. This challenges the ecocide hypothesis, which attributes societal collapse to environmental destruction.
A new web application provides historical climate data to farmers, allowing them to compare current year's conditions with past ten years. The app covers the Texas region and offers information on soil temperature, growing degree days, and precipitation.
A team of researchers from Binghamton University analyzed human and faunal remains to find that around half the protein in diets came from marine sources, contradicting previous estimates. The findings suggest the Rapa Nui population had extensive knowledge to overcome poor soil fertility and create a sustainable food supply.
Researchers found genetically diverse strains of C. difficile in soil samples from children's and dogs' sandboxes in Madrid. The presence of certain strains with increased toxin production poses a significant threat to human and animal health.
A new global erosivity map shows significant variations in rainfall erosivity across different climatic regions, highlighting the need for soil degradation mitigation and restoration strategies. The map provides critical data for assessing soil erosion by water, flood risk, and natural hazard prevention.
Researchers developed a long-term field experiment to monitor post-compaction evolution of soil structure, revealing projected recovery rates of years to decades. Initial results indicate different recovery rates for various properties and decreasing recovery rates with soil depth.
A doctoral student is studying how soil microbes drive plant invasion in the Galapagos Islands, a biodiversity hotspot. The researcher aims to understand the role of mycorrhizal fungi and plant pathogens in shaping plant community structure and diversity.
Biomedical engineers use biological nanoparticles, a plant virus, to deliver pesticide to root level of crops, reducing leaching and runoff, increasing efficacy and safety. The technology has potential for widespread use in agriculture to control parasitic nematodes, which cause significant crop failures worldwide.
Scientists using LRO data identified bright areas near south pole craters that are cold enough for frost to be present. The analysis combined surface temperatures with light reflection information.
Researchers found that biochar application successfully reduced soil acidity and made heavy metals less bioavailable, converting them into less toxic forms. This locally sourced biochar can be used to prevent metal accumulation in soils near abandoned mines, potentially reviving degraded ecosystems.
Soil column thickness significantly influences the transition from hillslopes to channels. Climate plays a crucial role in triggering arroyos exclusively found in south-flowing catchments. These findings highlight the importance of soil development in shaping erosion instabilities.
Conservation assessments for endemic earthworm species in KwaZulu-Natal Province are hindered by lack of common names. Assigning English names facilitates inclusion in environmental impact assessments, highlighting the importance of biodiversity preservation.
Research found that combining crop rotations with soil amendments like poultry litter can alleviate issues associated with continuous cropping. Incorporating corn once within a 4-year cycle resulted in 8% greater yields than continuous soybean.
Researchers found that rotational grazing with a fenced riparian buffer or converting pastures to hayfields reduced soil erosion and runoff. These practices lowered sediment concentrations, volumes, and loads in watersheds compared to continuous grazing.
Researchers at the University of Tennessee, Knoxville, discovered that tiny soil organisms create 'soil highways' for young trees, influencing their migration patterns. The study suggests that these invisible biotic communities could be used to encourage tree migration and preserve heat-sensitive species.
A team of engineers at the University of California San Diego discovered a simple, no-bake method to make bricks from Martian soil by applying pressure. The resulting bricks are stronger than steel-reinforced concrete and may be compatible with additive manufacturing.
Seeds from plants like Pelargonium self-burrow into soil using a helically coiled awn that responds to humidity. The team developed mathematical models to understand the mechanism, which has direct applications to current and next-generation robotics.
A new phosphorus index aims to reduce agricultural runoff pollution by focusing on field characteristics and best management practices. The updated approach addresses limitations of previous indices, providing a more practical tool for farmers and policymakers.
A new study finds that long-term exposure to soil minerals from walking barefoot in volcanic soils is the cause of a debilitating and disfiguring skin condition in western Uganda. The researchers found that people had been suffering silently for decades before symptoms became apparent.
Researchers explored three organic methods to suppress weeds: using cover crops instead of disks, turning them under, or flatening with a crimper. While some found cover crops to be effective in reducing weeds, the team also noted that unexpected weather conditions and soil fertility issues impacted results.
Cornell University scientists discovered a high-definition system allowing electrons to travel through soil more efficiently than previously thought. Biochar amendments facilitate this process, promoting conductive networks and growth.
Researchers from the University of Delaware found that tree trunks in upland forests emit methane, while soils and coarse woody debris act as methane sinks. The study used state-of-the-art technology to measure fluxes of methane and carbon dioxide, revealing a previously unaccounted source of this potent greenhouse gas.
A 16-year Nebraska study found minimal negative impacts of grazing cattle on corn stubble on soil properties, except for slight compaction. Grazing may even have a slightly positive effect on soil microbial community structure due to the addition of nutrient-rich manure.
A Virginia Tech research team found that manure from cattle administered antibiotics drastically changes the soil's microbial community, leading to ecosystem dysfunction. The amount of antibiotic-resistant genes in soil near manure piles was 200 times greater than in unaffected areas.
Research by Tongchuan Li found that ants create aggregate mulches in agricultural fields, which can retain water and improve soil health. The type of ant studied, Camponotus japonicus, is widespread in China and helps increase air and organic matter in soil.
Researchers aim to quantify soil mass balance, production rates and lifespan in agricultural landscapes with unknown data. Soil erosion threatens food security, costing the US tens of billions annually.
A USGS study reveals that changes in temperature and precipitation patterns may cause desert surfaces to become lighter, altering energy exchange between the planet and its atmosphere. This could lead to increased albedo, slowing the earth's warming rate, but also resulting in soil erosion and decreased fertility.
Soil microbes may hold key to protecting sorghum crops from Striga, a parasitic plant that causes up to 50% yield loss in sub-Saharan Africa. Researchers will map potential micro-organisms present in African soils to develop sustainable solutions.
The Ecological Society of America recognizes Diana Harrison Wall, Kathleen Weathers, and Debra Peters with the Eminent Ecologist Award, Eugene P. Odum Award for Excellence in Ecology Education, and Distinguished Service Citation, respectively, for their outstanding contributions to ecology.
Researchers found that letting cover crops grow longer produces the best results in suppressing weeds while also retaining soil moisture. The optimal timing is crucial, as over-flattening can lead to unwanted seed production, while under-flattening may regrow the cover crop.
A new study maps and classifies the earthquake shaking potential across most of the Las Vegas metropolitan area, revealing that much of the ground is stiffer and potentially safer than previously thought. The site classifications could lead to reduced construction costs and improved safety measures for buildings.
A University of Central Florida professor is collaborating with NASA to study the extraction of metals from Martian soil using molten regolith electrolysis. This process could produce oxygen and molten metals vital for future human space exploration.
Researchers found that snap bean yields were not significantly affected by no-till cover crops, despite the benefits of weed suppression. The study suggests that timing and management techniques are crucial for successful integration of cover crops into vegetable production systems.
A European research team discovered that when restoring nature, initial soil communities lack strong links between organisms. However, with time, these connections strengthen, enabling a diverse plant community to thrive. Fungi are found to drive this process, storing and using nutrients more efficiently.
A new USGS study finds that most abandoned oil and gas pads on the Colorado Plateau are characterized by reduced vegetation cover, even after 9 years. The DART approach used in the study suggests that land stewardship and environmental gradients can impact pad recovery.
Researchers examine how native grass management can enhance soil health and agricultural productivity in the eastern US. They focus on optimizing fertility and cover crop strategies for nutrient-efficient species like switchgrass and big bluestem, which produce extensive root systems that support micro-invertebrate communities.
A recent study revealed that climate change is expected to disrupt the balance of nutrients in mountain ecosystems, potentially leading to changes in plant growth and biodiversity. The research found that decreasing elevation can serve as a surrogate indicator for climate warming, leading to increased nitrogen availability in soil.
A recently restored floodplain along a Mississippi tributary removed almost as much nitrogen as a natural floodplain, significantly reducing chemical pollutants in the river. The study's findings suggest that reconnecting rivers to their floodplains can help improve water quality and reduce the 'dead zone' in the Gulf of Mexico.
New studies reveal how soil biota affects plant diversity, with arbuscular mycorrhizas and ectomycorrhizas playing key roles in tree species recruitment and survival. The presence of certain fungi can increase or decrease local diversity, depending on the type of plant.
A new study found that diverse shrublands in South-Western Australia thrive due to beneficial root-associated organisms. The research suggests that these microorganisms equalize growth differences between plant species, allowing for long-term coexistence in highly competitive environments.
Researchers found that plants' choice of microbial teammates influences a suite of plant-soil interactions, driving high diversity in shrublands. The study revealed positive and negative feedbacks between plants and microbes, with nutrient-acquisition strategies playing a crucial role.
A recent study found that the viability of certain bacteria, nematodes, and plants declined over 12 months in stored soil, regardless of source or storage conditions. However, mortality was higher when exposed to sunlight, moisture, and desiccation than protection.
Researchers discovered that bags of potting soil on Guam's island are a breeding ground for invasive coconut rhinoceros beetles. The beetles spread through holes in plastic bags, which customers unknowingly bring home for their gardens.
A research team has discovered that soil microbial diversity is lower than previously estimated due to the presence of relic DNA. However, thousands of species of microbes still exist in one gram of soil, making it comparable to a 'poor man's rainforest'.
Researchers create a global map of soil pH, revealing an abrupt transition zone between acidic wet climates and alkaline dry climates. This discovery has significant implications for agriculture, as the ideal neutral range soils are found in areas like Iowa and Ukraine, which are intensively farmed.
The Earth's critical zone is a vital layer that supports life and human activities. Research in this area reveals the importance of time, depth, and coupling in understanding the zone's dynamics. This knowledge helps predict and mitigate negative effects, such as soil degradation and water quality issues.