Articles tagged with Soils
Researchers found that tilling and compaction disrupt intricate capillary networks within the soil, causing it to pool rainwater and form a muddy crust. The study provides a clear explanation for why tillage changes the structure of soil in ways that affect water retention.
Researchers develop oxychar, a highly efficient, budget-friendly alternative to traditional charred organic materials for toxic cadmium removal. The new material soaks up both agricultural ammonia and cadmium, promising a practical win for sustainable farming.
Researchers discover that resistant soybean varieties actively recruit beneficial soil microorganisms to suppress the devastating soybean cyst nematode. These microbes can be transferred to soil to help defend susceptible soybeans, providing a promising new approach for sustainable crop protection.
Research team uses AI-driven approach to analyze Chang'e-6 samples, revealing higher shear strength and irregular shape of far-side lunar regolith. The findings suggest a more stable foundation for future lunar bases, but also pose new challenges for drilling and rover mobility systems.
Researchers found that managed cropland soils produced the highest nitrous oxide emissions due to irrigation and fertilization, while natural ecosystems emitted lower amounts but showed a clear response to elevation. Climate change could shift the balance of greenhouse gas emissions across ecosystems in arid mountain regions.
The report highlights the need for an agreed definition of healthy soil, scalable biological indicators, and collaborative transitions to sustainable land management practices. It emphasizes the importance of building trust and aligning diverse priorities among all soil stakeholders.
A new study reveals that soil acidity influences how wheat competes with microorganisms for nitrogen. Wheat absorbed more nitrogen in calcareous soil, while microbial competition was stronger in acidic soils.
New research from the University of Illinois has found that corn's wild ancestor genes can inhibit nitrifying and denitrifying bacteria, reducing nitrogen loss and greenhouse gas emissions. The study shows reductions in nitrification of up to 50% in field and greenhouse trials, with potential huge impacts on sustainable agriculture.
A Europe-wide study reveals that pesticides have substantial effects on beneficial soil organisms, including mycorrhizal fungi and nematodes. The contamination has a major impact on soil biodiversity, highlighting the need to adapt current pesticide assessments and regulations.
The study confirms that ancient lichens played a key role in forming the first soils and structuring terrestrial ecosystems. Researchers identified the presence of chitin, nitrogen compounds, and calcium microparticles compatible with modern lichen minerals.
Researchers compared seedling germination, growth and nutrient uptake in pure food waste substrate, commercial potting mix and blends with varying ratios. Mixtures with less than 50% food waste compost produced better results.
Quick clay's instability is caused by salt ions washing out, making it prone to catastrophic landslides. Researchers aim to find more environmentally friendly stabilization methods using molecular dynamics simulations.
A cohort study found associations between exposure to multiple fine particulate matter components and increased depression risk among US Medicare population members. The study highlights the importance of targeted regulation to protect vulnerable populations from harmful air pollution.
Research in Chile's national parks shows that wildfires significantly alter soil structure and nutrient cycles, affecting ecosystem resilience. Humid temperate forests recover faster than mediterranean woodlands due to fire-adapted trees and higher rainfall.
Researchers found thousands of hutia fossils in a Caribbean cave, including nests made from compacted soil and coated with a waxy substance. The discovery provides evidence of the presence of bees in the area thousands of years ago, challenging initial findings on wasp nests.
A new study reveals that Southeast Asia is a significant source of climate-warming gases, with deforestation and fossil fuel use leading the way. The region's natural carbon sinks are being overwhelmed, making it challenging for countries to reach climate neutrality without urgent regional action.
Research suggests soil microbial communities are a top predictor of childhood allergic disease rates, with certain assemblages appearing linked to better health outcomes. The study found that specific soil microbes promote health, while others negatively impact disease prevalence.
Researchers have discovered a zero-cost solution to reverse desertification by using food waste nanocellulose extracted from pineapple peels. The material cuts water leakage by 90% and triples phosphate retention, offering a more sustainable alternative to expensive hydrogels.
The SOLO project has identified key knowledge gaps for improving EU soil health by 2030. The study highlights the need for research and innovation to address these gaps, with a focus on bottlenecks and drivers of current approaches. The project aims to support the transition towards healthier soils by proposing novel approaches.
A new paper outlines a global coalition dedicated to conserving microbial biodiversity, which accounts for 99% of life on Earth. The Microbial Conservation Specialist Group will develop Red List-compatible metrics, pilot restoration projects, and promote public awareness to ensure microbes are recognized as essential to planetary health.
Researchers found that pairing biochar with biogas slurry reduces CO2 emissions and alters soil microbial communities, enhancing carbon sequestration. However, the combination also increases CH4 emissions, highlighting a tradeoff.
A new review study reveals that PFAS are entering farmland soils through waste recycling and wastewater reuse, raising concerns for food safety. The study found that biosolids are the primary source of PFAS in agricultural soils, with soybeans showing particularly high burdens.
Researchers developed a strain-controlled testing method for evaluating liquefaction resistance in chemically treated soils, reducing carbon-dioxide emissions by up to 60%. The new method yielded consistent results, improving urban resilience and reducing economic losses in earthquake-prone regions.
Researchers found that combining biochar with starch accelerates oxytetracycline degradation and reduces its transfer into lettuce, a widely consumed leafy vegetable. The study's results suggest a cost-effective and sustainable solution for reducing antibiotic residues in farmland.
A study by Ben-Gurion University reveals that desert soils can release powerful greenhouse gases within minutes of being wetted, even without microbial life. The team found that chemical reactions drive these emissions, especially for nitrogen-based gases.
A study by UKCEH found that ash dieback results in significant greenhouse gas emissions due to soil carbon losses. The research estimated 5.8 million tonnes of CO2 emissions over five years, equivalent to half the amount removed by broadleaf woodlands annually.
The study reveals that grasslands adopt more aggressive strategies than forests when facing water shortages, with plants in grasslands using water aggressively until it's gone. In contrast, forests adopt more conservative strategies, cutting back on water use early to avoid disaster.
Research found that high-elevation tropical forests in the Colombian Andes store significant amounts of pyrogenic carbon (PyC) due to past fires. The study analyzed soil samples from different elevations and land-use types, revealing PyC stocks nine to ten times higher in High Andean forests than in warmer regions.
A global inventory reveals that natural areas have access to about a quarter less nitrogen than previously estimated, which could limit the removal of carbon from the atmosphere. This finding has implications for natural climate solutions, as nitrogen is essential to plant growth.
Researchers developed a nonlinear model that captures plants' dynamic response to water stress, revealing 'water spenders' and 'water savers.' The model improves climate predictions and informs water management, providing insights into plant adaptations and soil drydowns.
Researchers found evidence that the Asian continent was free of permafrost when Earth's average temperature was 4.5˚C warmer than today. The study suggests that a 4.5˚C rise in global temperatures would release up to 130 billion tonnes of carbon currently frozen in the ground.
Researchers found that corn-soy rotation boosts corn yields and reduces nitrogen fertilizer needs, but with trade-offs in soil greenhouse gas emissions and nitrogen leaching. The study's results suggest a complex interplay between crop yield, environmental impacts, and economic returns under various rotation scenarios.
Researchers developed a model to detect early signs of marsh decline using satellite observations, identifying vulnerable areas along Georgia's coast. The study found belowground biomass has declined across 72% of Georgia's coastal marsh since 2014.
A team of researchers has discovered a novel method for capturing carbon dioxide using clay minerals, expanding the portfolio of absorbent materials for addressing climate change. The study, published in The Journal of Physical Chemistry C, found that certain types of clay can selectively absorb CO2 from the air at low humidity levels.
The PREPSOIL Toolbox provides structured guidance and practical tools to support soil health initiatives. The toolbox helps refine existing initiatives and identify areas for further improvement, ultimately enhancing results and alignment with EU mission goals.
Global soil nitrous acid emissions have increased from 1980 to 2016, contributing to a 2.5% annual rise in the global surface ozone mixing ratio. This can lead to overexposure of vegetation to ozone, affecting ecosystem balance and food crop production.
A new study has discovered how root cells respond to their complex soil environment, revealing that they actively sense and mount precise molecular responses. The findings could help develop crops resistant to climate stress and improve soil resilience.
MIT researchers have developed a way to produce large amounts of silk microneedles to deliver agrochemicals and nutrients to plants, showing promising results in treating chlorosis and adding vitamin B12 to tomato plants. The technology has the potential to serve as a new kind of plant interface for real-time health monitoring and biof...
The study reveals that CBL-CIPK complex senses specific Ca2+ signals, phosphorylates ZIP12, and initiates its partial degradation to fine-tune the plant's response to Zn deficiency environments. This negative feedback mechanism effectively regulates zinc homeostasis and maintains efficient resource utilization.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
PREPSOIL has launched an assessment tool to evaluate how well Living Labs and Lighthouses align with the EU's Soil Deal for Europe. The initiative invites registered LL and LH projects to participate in a more detailed assessment, potentially gaining access to 100+ Soil Living Labs' network.
The PREPSOIL Final Event will bring together key stakeholders to discuss the implementation of Mission Soil and the proposed Soil Monitoring Law at regional and local scales. The event aims to equip regions with tools for protecting and restoring soils through collaboration and knowledge-sharing.
A new study from the University of Illinois has rigorously sampled nitrous oxide and carbon dioxide emissions from commercial corn and soybean fields under practical management scenarios over multiple years. The dataset reveals that nitrous oxide emissions are highly variable, with hot spots moving around the field, making it challengi...
A new study reveals that the Neolithic Revolution in the southern Levant was triggered by catastrophic wildfires and climate-driven soil erosion, forcing early communities to adopt agriculture. Fertile soils formed in valley basins after hillslope degradation became hotspots for settlement and farming.
A novel approach uses oxidative potential to assess the impact of heavy metal-contaminated soils on plants, identifying key metabolic disruptions and biochemical changes. This method offers a faster and more reliable alternative to traditional methods, enabling quicker responses to soil pollution.
Researchers found that common urban pollinator plants like white clover and bindweed accumulate toxic metals from contaminated soils, posing a risk to bee health. To mitigate this, scientists recommend testing soil for metals before planting wildflowers and choosing plant species suitable for the local conditions.
Researchers identify CLE16 peptide as key molecule promoting symbiotic relationship between plants and beneficial soil fungi. Supplementing with this peptide or its fungal equivalent can enhance nutrient exchange and strengthen these traits in crops.
Researchers found that nanoplastics in soil exhibit varying behavior depending on soil type and pH levels, affecting their aggregation and adsorption onto soil particles. Understanding these interactions is crucial for developing effective strategies to mitigate plastic pollution.
A study in Brazil's Caatinga biome found that removing animals from degraded pastures did not restore soil health after three years. Green manure and strategic tree planting are recommended to accelerate ecological recovery. Soils show severe degradation, with carbon loss and decline in holistic soil health index.
A new study by the UK Centre for Ecology & Hydrology reveals that soil moisture levels can increase rainfall area and amount in megastorm hotspots globally by up to 30%. This contrast results from atmospheric changes, enabling communities to better adapt to climate change.
KTU researchers have discovered an innovative solution to store excess heat underground, reducing heat loss and increasing energy efficiency. The ground-based heat accumulator stores heat in the soil, making it available when demand peaks, and can even reduce carbon dioxide emissions.
Texas A&M researchers conducted a forensic investigation of a collapsed embankment slope in Houston, revealing that clayey soils are highly problematic after 10-15 years of use. They recommend using stabilizing agents and perforated pipes to drain water quickly to prevent similar failures.
Researchers developed an ultra precise technique to count and analyze nanoplastics in water, soil, and plant tissues. The OM-SERS setup uses lasers, gold nanoparticles, and microfluidics to detect specific types of plastics and their concentrations.
Dr. Rita Okoroafor's research integrates geochemistry, geomechanics, and reservoir engineering to improve understanding of fluid-rock interactions in subsurface technologies. Her work enhances hydrogen storage efficiency, optimizes geothermal reservoir performance, and improves CO2 storage security.
A team of UConn researchers found that biochar application improves soil microbial biomass carbon by approximately 21%, supporting the functioning of vital microorganisms. Biochar provides essential nutrients and a habitat for microbes, especially in nutrient-deficient soil or soil with suboptimal pH.
A study on the treeline ecotone found distinct patterns of soil bacterial and fungal communities in response to climate-driven treeline shifts. Microbial communities responded more strongly to treeline shifts than microtopographic factors, indicating a potential increase in stochasticity.
A recent study reveals vermicomposted olive waste influences volatile compounds emitted by olive trees, affecting attraction of beneficial lacewings. The research highlights the importance of belowground ecology in plant defense mechanisms and its potential to enhance biological control strategies.
Scientists precisely dated the formation of the Moon's largest impact crater, the South Pole-Aitken Basin, to 4.25 billion years ago using Chang'e-6 samples. The discovery provides critical insights into the early history of the Moon and the Solar System.
A recent study reveals that using diverse combinations of land management strategies can maximize soil health and functionality. The innovative approach utilized random forest models to disentangle the contribution of single factors, providing an accessible framework for relative contributions.
Scientists at KAUST developed a new nanoplastic mulch that cools greenhouses by 25 degrees Celsius, increasing Chinese cabbage crop yields by nearly 200%. The biodegradable mulch reduces microplastic waste and energy consumption in hot cities.