A new NSF-funded project will investigate how climate change impacts plant growth and health in relation to soil microbes. The study aims to understand the effects of changing moisture levels on plant survival and how plants influence microbial communities.
Kristen DeAngelis will lead a new soil warming studies project with undergraduates annotating soil microbe genomes and investigating bacterial traits. The goal is to understand how bacteria thrive in warmer soils and their impact on the environment.
A recent study shows that common soil carbon measurement methods, including clod, core, and excavation, yield significantly different results. The core method was found to greatly underestimate soil organic carbon stocks, particularly in deeper soil layers.
Researchers at the Advanced Science Research Center found that wetter soil decreases methane gas absorption by 53-89 percent, leading to a positive feedback loop between global warming and climate change. This study highlights the significant impact of reduced methane uptake on global warming and the need for further research.
A new study reveals that climate change is altering soil microbial networks, affecting plant communities and ecosystem function. The research found that drought increases the abundance of a certain fast-growing grass, leading to decreased soil moisture.
The first global survey of soil genomics found a constant competition between bacteria and fungi for nutrients, leading to the production of antibiotics. The study's results have implications for predicting the impact of climate change on soil and improving agricultural practices.
Research reveals that liming can unlock previously unavailable phosphorus in soils, but the relationship is complex and depends on soil history and enzyme activity. Increases in phosphorus availability are relatively small, highlighting the need for combined lime and added phosphorus to meet crop needs.
Researchers at ETH Zurich found that soil microorganisms degrade films composed of poly(butylene adipate-co-terephthalate) (PBAT), a biodegradable polymer. This discovery demonstrates the true biodegradation of a plastic material in soils, offering a potential solution to plastic pollution.
Researchers found that liquid hog manure increases water infiltration depth into cracking clay soils, but not beyond 39 inches. This discovery suggests not all clay-rich soils behave the same, and knowledge gaps remain about soil water flow in vertisols, especially with organic additions.
Researchers have demonstrated direct evidence of biodegradation of polymers like PBAT in agricultural soil, tracking carbon into CO2 and microbial biomass. The study suggests polyesters as a practical alternative to alleviate detrimental plastic accumulation.
A new quick soil test aims to determine nitrogen need by measuring protein presence. This method has the potential to reduce fertilizer waste and mitigate environmental problems associated with excessive nitrogen use.
Researchers found that coating fertilizer with maleic-itaconic polymers (MIPs) slows down urease activity, improving nitrogen availability for plants. The study suggests farmers have a choice depending on their soil's acidity, offering a potential solution to increase crop yields and reduce environmental impact.
A study analyzed soil horizons in 11 US cities, finding approximately 50% fewer soil horizons than pre-urban soils. The researchers attributed changes to local management processes such as soil removal, mixing, and fill additions, leading to potential effects on ecosystem functioning.
Researchers found radish cover crops significantly reduced soil nitrate content, but decomposed nitrogen was not returned to the soil. The study suggests radish can trap nitrogen without providing a fertilizer benefit to subsequent crops.
Biologist Judy Simon develops a system to observe interactions between tree roots in 3D, enabling the study of nitrogen uptake and communication. The transparent substrate allows for the observation of root activities, potentially contributing to sustainable forest management.
A five-year experiment found that corn yield was highest in the plastic mulch plot, but soil organic carbon was highest in the straw mulch plots. Straw mulch increased soil's ability to store carbon, whereas plastic mulch increased microbial activity that used up organic carbon.
A UMass Amherst geologist is using satellite photos and high-resolution images to estimate topsoil loss in the Midwest, a challenge that has uncertainties about its extent. The research aims to identify areas where farm practices can be changed to reverse soil loss, with potential economic benefits for farmers.
Researchers found that root exudates enhance soil aggregation and water repellency, particularly in sandy loam soils. The study sheds light on the complex interactions between plants and their surrounding soil, highlighting the importance of exudate production in plant nutrition and soil stability.
Research reveals that green roof species arrive by hitching lifts on birds or riding air currents, underscoring the importance of adapting soil biology to these environments. The study recommends improving soil engineering to ensure long-term sustainability and encourages further research to connect green roofs to ground-level soils.
Researchers found that the microbes surrounding plant roots prefer a diet rich in organic acids, with sugars being preferred early in the growth cycle. This discovery could help scientists identify ways to enhance soil microbiome for improved carbon storage and plant productivity.
A recent study found that soil fungi can impact the ability of forests to adapt to climate change. Soil carbon-to-nitrogen ratios increase with ECM dominance and are more associated with low soil nitrogen levels. This suggests that mycorrhizal guilds may be emerging functional traits that define species in terms of their ecological roles.
Researchers analyzed bacterial content of Svalbard glacier soil, revealing microbes trigger soil formation under extreme conditions. The study provides clues for combating desertification in hot arid environments.
Scientists at Rothamsted Research have found that modern carbon emissions cannot be locked in the ground to halt global warming. The study analyzed long-term soil data and concluded that even significant increases in soil organic carbon are unrealistic over large areas of the planet.
Researchers at Washington State University have developed a new method for soil pathogen analysis that is portable, fast and inexpensive. This breakthrough technology allows farmers to detect disease-causing pathogens in their soil quickly and make informed decisions about treatments or management changes before planting.
A team of researchers from the Oak Ridge National Laboratory has discovered how microorganisms adapt to survive in phosphorus-poor environments. By analyzing genes and proteins, they found an increase in phosphorus-acquiring enzymes and a large number of genes that break down complex organic compounds like phytate.
A comprehensive study has identified just a handful of bacterial taxa that dominate the Earth's soil globally. These abundant bacteria can be grouped based on five key environmental preferences, providing new insights into their roles in regulating nutrient cycles, plant productivity, and terrestrial carbon dynamics.
A team of researchers has compiled a 'most wanted' list of around 500 key bacterial species that are both common and abundant worldwide. These dominant bacteria can now be targeted for future study to improve soil health and fertility.
Researchers studied native biocrusts, discovering that specific compounds are transformed by and strongly associated with specific bacteria. The study links microbial community structure to soil chemistry, shedding light on the roles of soil microbes in the global carbon cycle.
A new study challenges the long-held assumption that soil animals contribute to the self-reinforcing effect of climate change by releasing more CO2. The research found that warming temperatures and drought actually lead to a decrease in feeding activity, contrary to expectations.
According to a new study, global soil loss has increased by 35.9 billion tonnes between 2001 and 2012, with moderate to high erosion impacting about 9.3% of Earth's land surface. Conservation agriculture can save over a billion tonnes of soil per year if implemented correctly.
A study by Rice University researchers found that soil charcoal behaves differently than other forms of soil carbon, becoming more patchy and concentrated in low-lying areas. Charcoal's benefits as a soil amendment include reducing atmospheric carbon dioxide and improving crop productivity.
Scientists at Lund University have developed new systems to study microorganisms in the ground using microchips, revealing complex ecosystems and interactions between microbes and their environment. The technology allows for real-time analysis of microbial processes, enabling researchers to better understand soil structures and functions.
A new review examines veterinary antibiotic use and its impact on soil resistance, highlighting the need for tighter controls. Recent studies show increased concentrations of antibiotics and diversity of resistant genes in animal manure and treated soils.
A team of scientists analyzed data on over 1900 soils from 21 countries, discovering constant bacterial groups across different environments. These bacteria hold clues to making some soils more fertile. Informative families of bacteria indicate real differences among types of soil.
A study by RUDN University scientists suggests that urbanization can increase soil organic carbon stocks, particularly on less fertile soils. This process could help mitigate the impacts of climate change.
Research by Samuel Haruna found that cover crops and perennial biofuel crops can relieve soil compaction, reducing the impact of fluctuating temperatures. These crops slow down temperature changes and retain moisture, allowing soils to better regulate temperature fluctuations.
A RUDN University researcher found that plant root secretions stimulate microbial activity, leading to faster decomposition of organic matter and increased nutrient availability for plants. This has significant implications for long-term carbon accumulation and soil fertility in paddy soils.
Researchers discovered a four-phase pattern in soil organic matter decay and carbon dioxide flows to the atmosphere due to soil warming. This pattern has significant implications for global warming, as it suggests that microbial communities are adapting to changing conditions by evolving new enzymes to process reduced carbon.
A 26-year study has revealed a cyclical response between soil warming and carbon release, suggesting a self-reinforcing feedback loop that could exacerbate global warming. The study found that warmed soils experienced periods of abundant carbon release, alternating with periods of no detectable loss in soil carbon stores.
Stanford researchers found that managed soil can trap more carbon dioxide than previously estimated, potentially offsetting future emissions. Improving land management practices like reduced tillage and perennial crops could increase soil's carbon storage.
A combination of biosolids, zinc, and limestone effectively lowers cadmium levels in spinach to non-toxic levels. This innovative approach aims to protect local producers and consumers by growing safe and profitable crops.
Scientists from RUDN University have classified the distribution of soil microorganisms at different latitudes, discovering that soil properties are the primary factor in determining microbial composition. The study revealed that climate and vegetation play a lesser role in shaping microbial communities.
A team of researchers at Kazan Federal University is exploring the mechanism of how microorganisms form and develop in response to petroleum contamination. They aim to understand whether hydrocarbon-oxidizing community structure depends on soil properties, and how new technologies for soil decontamination may arise from this research.
Researchers have developed a high-tech method using visible near-infrared diffuse reflectance spectroscopy (vis-NIRS) to analyze soil texture. This technique allows for rapid, cost-effective, and portable measurements of clay, silt, and sand content, providing valuable insights into soil properties.
Researchers propose a new approach to understanding soil organic matter's response to climate change and atmospheric chemistry. Soil microbes contribute significantly to stable carbon pools through catabolic and anabolic activities, which could lead to improved soil stabilization and renewal strategies.
Agricultural land use has led to significant soil carbon loss over the past 12,000 years. Major cropping or grazing regions show high hotspots of soil carbon loss, indicating potential areas for restoration.
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.
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.
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.
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 in Oklahoma compared measured soil moisture with the Keetch-Byram Drought index and found that high-quality soil moisture data consistently outperformed KBDI. Soil moisture conditions conducive to large wildfires were more narrowly defined, providing earlier warnings of extreme wildfire potential.
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.
Researchers have discovered that decomposing leaves in soil are a significant source of nitrous oxide, a potent greenhouse gas. The study, led by Michigan State University, found that leaf particles create micro-habitats perfect for bacteria that produce nitrous oxide.
Researchers at Michigan State University discovered that decomposing leaves in soil are a surprising source of nitrous oxide, a potent greenhouse gas. The team found that large soil pores create micro-habitats perfect for bacteria to produce nitrous oxide.
Researchers found that soil microbes respond differently to shifts in moisture, with those from wetter areas respiring twice as much carbon to the atmosphere. This discovery suggests historical rainfall levels can impact climate modeling, improving predictions of local or regional differences in soil respiration and climate history.
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 found that minimizing soil disturbance, ensuring permanent organic cover crops, and diversifying crops through crop rotation improved soil properties. These techniques created a beneficial environment for microorganisms, fungi, and earthworms, ultimately leading to increased crop productivity and reduced erosion.
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.