Articles tagged with Soils
The University of Arkansas engineering faculty will research ways to improve 3D printing of concrete and indigenous soils for horizontal construction projects. The project aims to develop printing instructions for mobile robots and explore biomimetic structures that can reduce material use while increasing strength.
Researchers developed StarCrete, a cosmic concrete made from Martian dust, potato starch, and salt, which is twice as strong as regular concrete. The material's compressive strength reaches 72 MPa, making it suitable for space construction.
Scientists discover human-associated microbes in soil samples from Mount Everest's South Col, highlighting the impact of tourism on high-altitude environments. The findings also shed light on the potential for life beyond Earth, particularly on Mars and other cold moons.
Guinea grass, an invasive species in Texas, uses a combination of crowding and chemical toxins to suppress native plants. The researchers found that the toxicity of guinea grass increases dramatically when its shading effect is combined with its chemical warfare, making it harder for native plants to survive.
Researchers at IISc found that grazing by livestock leads to lower carbon storage in soil compared to wild herbivores due to antibiotic use. Re-wilding soils and quarantining animals could help offset the damage.
A study reveals that plant roots are crucial for belowground life in the tropics, supporting decomposition and soil health. Removing living roots decreases animal abundance by 42% in rainforest plots and 30% in plantations.
Researchers from Pusan National University studied compound extreme weather events in northern East Asia and found that a lack of soil moisture led to increased evaporative stress, amplifying heatwaves and triggering compound droughts and heatwaves. Understanding these dynamics is crucial for societal safety.
A $5 million grant from the USDA Natural Resources Conservation Service supports a Climate-Smart Sustainability Certificate program for small-scale farmers. The program aims to improve crop production while reducing greenhouse gas emissions and increasing carbon removal.
The University of Missouri will receive a $10 million grant from the USDA National Institute of Food and Agriculture to double cover crop seed production in the US by 2030. The project aims to educate farmers about new varieties of cover crops, examine their performance with root growth, and distribute them nationwide.
Researchers have discovered that convection of saline water beneath the surface is responsible for the formation of hexagonal honeycomb patterns in salt deserts. The consistent size and shape of these patterns can be attributed to the unique combination of temperature, salinity, and groundwater flow.
Researchers calculated that terrestrial arthropod biomass is about 1 billion tons, with underground creatures responsible for soil fertilization and ecological balance. The study highlights the importance of arthropods in regulating vegetation and human health, emphasizing the need for monitoring their decline.
Scientists developed a sensitive nanostructured silver surface to detect arsenic in water, food and soil using surface-enhanced Raman spectroscopy (SERS). The new technique is more sensitive and easier to produce than existing methods, making it ideal for on-site field assays.
Scientists have created a non-destructive method to detect and differentiate gibberellins, a class of plant hormones crucial for growth. The new nanosensors can identify changes in GA levels across various plant species, enabling early interventions against salinity stress.
Researchers call for grassroots action to raise awareness about soil biodiversity's role in promoting human health and wellbeing. Cities' loss of biodiversity, pollution, and decline of green spaces reduce exposure to beneficial soil microbes, increasing allergies and illnesses like asthma.
A global comparison of soil transplantation projects reveals significant improvements in restoring vegetations with high conservation value. The treatment increased species count and diversity by an average of 40% compared to hay addition, particularly on loamy soils over larger areas.
A new webcast from the American Phytopathological Society provides insights into soil biophysical properties and nitrogen application rates in predicting cotton yield and quality. The study suggests including soil biophysical information in making N recommendations to maximize profits and reduce environmental impact.
Researchers discovered that certain microorganisms dominate burned soil after a wildfire, with some species increasing in abundance and others consuming charcoal. This finding could help revive megafire dead zones and provide insights into the human microbiome's response to stress.
A recent study published in The ISME Journal reveals that the majority of bacteria living in wild soil are slow growers, contrary to previous lab-based frameworks that suggested a dichotomy between fast and slow growing microbes. This finding highlights the importance of testing field-based ideas with data from nature.
A new study by the University of Göttingen found that alley-cropping agroforestry significantly improves ecosystem functions, including carbon sequestration, habitat creation, and soil protection. In contrast, open grassland systems did not show significant changes in ecosystem function after conversion to agroforestry.
Researchers discovered a trade-off relationship between microbial CUE and specific extracellular enzyme activities under reduced oxygen, regardless of N and P levels. This relationship can advance understanding of microbially mediated C and nutrient cycling in anaerobic ecosystems.
New research reveals that nitrogen released by gas-powered machines causes dry soil to let go of carbon and release it back into the atmosphere. The study found that excess nitrogen acidifies soils, leading to a loss of carbon stored in association with calcium.
Researchers are using AI to assess soil datasets and measurements, aiming to build an automated data-driven decision support system for European soils. The goal is to create an effective soil health certification system that can be used by farmers, landowners, and policy makers.
Researchers identified hundreds of microorganisms associated with plant roots and soil, showing potential for developing biological substitutes for phosphorus-based fertilizers. The discovery highlights the importance of microbial communities in supplying essential nutrients like nitrogen.
A new method for measuring bifacial solar panel performance has been developed by the University of Ottawa SUNLAB team. The study proposes a characterization method that considers external effects of ground cover like snow, grass, and soil, providing a way to accurately test panel performance indoors.
A recent study found that soil microbes are releasing less CO2 in the summer due to decreased food availability, threatening their viability. However, autumn leaves mitigate this effect, but fewer dead leaves lead to a reduction in microbial biomass during the summer.
A new framework identifies barriers and context-specific measures for plastic use and disposal, guiding policymakers in selecting effective intervention measures. The framework has been tested in Kyoto City, revealing potential desirable behavioral changes, critical barriers, and corresponding intervention measures.
Researchers found that nitrified urine fertilizers, such as Aurin and CROP, can be used safely and productively in agriculture. The study tested these fertilizers on cabbage cultivation, with results showing yields comparable to conventional fertilizer products.
A new study finds that tropical forests recovering from logging are a source of carbon due to soil and rotting wood releasing more carbon than new growth can absorb. The study highlights the need for sustainable logging practices to minimize collateral damage.
Researchers at University of California, Riverside, have developed a method to convert plastic waste into highly porous charcoal that captures carbon and improves soil water retention. The char can also act as a natural fertilizer, but further work is needed to substantiate its utility in agriculture.
A joint research team from China has discovered high concentrations of hydrogen and low deuterium/hydrogen ratios in lunar soil grain rims consistent with solar wind origin. This finding suggests that the bulk water content in Chang'e-5 lunar soils is around 46 ppm, which could be higher in polar regions.
New research collates 100 years of data, suggesting significant declines in UK earthworm abundance could have occurred due to changes in the countryside. The study highlights the importance of monitoring soil invertebrates and their impact on ecosystem health.
A WVU engineer has developed a technology that can treat urine on site rather than at a centralized wastewater treatment facility, allowing for the recovery of nitrogen as a valuable fertilizer. The approach enables quick treatment and promotes the reduction of nutrient discharge into lakes and rivers.
A quarter-mile segment of the Klamath Geo Trail was successfully resurfaced using volcanic ash from Mount Mazama, demonstrating its potential as a more sustainable and locally sourced pozzolan. The surface treatment improved firmness and stability, making it accessible to people with mobility devices.
Research in tropical forests reveals that nitrogen-fixing trees are vulnerable to herbivory by insects, limiting their growth and survival. This constraint could undermine reforestation efforts and the role of these trees in sequestering carbon dioxide from the atmosphere.
Scientists have discovered a long-sought plant water loss-regulating sensor, composed of two proteins working together to regulate stomatal movements in response to changing CO2 concentrations. This finding has significant implications for trees, crops, and wildfires, as well as efficient plant water use and CO2 uptake.
The NSF is seeking proposals to utilize the ISS National Laboratory for fundamental research in fluid dynamics, thermal transport, and combustion. Researchers aim to advance knowledge that benefits life on Earth, particularly in predicting and preventing catastrophic mudslides after wildfires.
A new study by the University of East Anglia highlights the risks of relying on nature-based solutions, such as forests and soils, to achieve net-zero emissions. The research warns that these solutions may not be enough to offset the remaining difficult-to-decarbonize emissions if progress on reducing fossil fuel use stalls.
West Virginia University researchers, Ember Morrissey and Kinsey Reed, are working with private farms to diversify forage species and improve soil health. The project aims to increase economic gains for farmers while reducing carbon dioxide emissions.
Researchers from the University of Göttingen found that European beech trees are experiencing increased drought stress in northern Germany due to climate change. The study reveals that dry locations show the strongest long-term decline in growth, highlighting the need for more resilient tree species.
Researchers analyzed over 4,500 documents to understand fungal dispersal across spatial scales. They identified four scales of movement, from microscopic to landscape, and found that climate change affects where fungi reside. More data is needed to understand the biodiversity of fungi and their movement in ecosystems.
A new study reveals that the US Midwest has seen a significant increase in cover crop adoption, with 7.2% of cropland being planted with cover crops in 2021. This is attributed to government programs and funding initiatives, which have been shown to strongly correlate with the onset of cover crop assistance.
Researchers detected sub-microscopic magnetite and metallic iron particles in Chang'E-5 lunar soil through electron microanalysis. This discovery provides direct evidence for the formation of native magnetite in lunar samples and sheds light on the origin of Moon's magnetic anomalies.
Researchers found that less intensively managed grasslands had greater diversity of plant species and correlated with better soil health, including increased nitrogen and carbon levels. In contrast, intensively farmed plots showed fewer plant species, but some saw improvements in soil health over time.
Researchers at Göttingen University found that removing vegetation in small areas led to a significant increase in ground nests, especially with nearby flowering plants. The removal of vegetation proved to be a simple measure to promote ground-nesting wild bees on calcareous grasslands.
A new study confirms the link between climate change and the extreme 2021 heat wave, which set records in Canada and sparked devastating wildfires. The research reveals that human-induced warming has made such events increasingly feasible, with potential for repeats every 10 years by 2050.
A global study found that grazing can have positive effects on ecosystem services in species-rich rangelands but negative impacts under a warmer climate. The study highlights the importance of managing grazing locally to cope with climate change.
A gold coin long dismissed as a forgery appears to be authentic and depicts Emperor Sponsian, who ruled Roman Dacia during civil wars. The study used scientific analysis to confirm the coin's authenticity, shedding light on Sponsian's history.
A study reveals that porcini mushrooms have evolved in different ways across the globe, with local ecological factors playing a stronger role in maintaining genetic distinctiveness than genetic flow. The findings challenge traditional notions of species development and suggest multiple evolutionary strategies for this organism.
The study analyzed experimental parameters, nanomaterial types, and plant exposure duration. It found that many studies lacked positive controls and had short durations compared to crop lifecycles.
A large-scale study found that high plant diversity in meadows and pastures supports numerous ecosystem services, including pollination, soil quality and cultural experiences. Various stakeholder groups, from local residents to the tourism industry, can benefit from increased biodiversity.
In northern China, about 4,000 years ago, farmers adopted a practice of purposeful water management to grow new grains. The results showed that the majority of wheat samples had isotopic values above an optimal watering threshold, indicating their growth was not limited by water availability.
A Stanford-led study found that cover cropping in the US Corn Belt leads to yield losses of 5.5% for corn and 3.5% for soybeans, despite its potential climate benefits. The practice's environmental impacts are complex, with reduced runoff and soil erosion but also increased water usage.
Researchers at North Carolina State University developed a CRISPR-based system that uses engineered bacteriophages to deliver genetic payloads to specific bacteria, even in complex environments. This technology enables precise single-letter changes to the genome without double-strand DNA breakage.
Researchers have developed perennial rice that allows farmers to plant once and harvest up to eight times, reducing labor and costs. The crop provides significant environmental benefits, including improved soil quality and reduced greenhouse gas emissions.
Researchers developed an intelligent compaction technology that integrates into a road roller, assessing real-time the quality of road base compaction. This improves road construction, reducing potholes and maintenance costs, leading to safer and more resilient roads.
A UK-wide study found that 60% of home-compostable plastics do not fully disintegrate in home compost bins, ending up in soil. The study highlights the need to revise and redesign sustainable plastic waste management systems.
Researchers at University of Copenhagen discover that plants use stress hormone ABA to reorganize their roots and grow away from salty areas. This mechanism could lead to the development of more salt-tolerant crops, reducing crop yields loss due to salinity.
The researchers designed a chemical system inspired by soil that can respond to external stimuli and modulate gut microbiota abundance and dysregulated microbes. This system shows promise for treating gastrointestinal disorders and may have implications for human health and agro-ecosystems.
Researchers at Nagoya University have developed a new method to study the life cycle of tree roots, shedding light on the decomposition process. They found that fine roots, which control nutrient uptake by trees, are discarded and decompose differently than leaf litter.
Researchers found a significant association between NTM infection and increased mortality in patients with end-stage renal disease. Early diagnosis and treatment may improve survival. NTM can cause nonspecific symptoms like fever and weight loss, and patients with compromised immune systems are at higher risk.