Articles tagged with Soil Science
A long-term study in Northeast China's fertile black soils found that biochar improves soil health, stabilizes microbial communities, and increases crop yields when applied at the right rate. The optimal application rate enhances microbial stability and organic matter content, leading to better yields.
A new study from the University of Oulu, Finland, found that reindeer grazing can buffer ecosystem functions, such as carbon exchange, under changing climate conditions. The results provide perspective on the role of reindeer in sustaining biodiversity in northern ecosystems.
A study reveals that warming temperatures alone do not lead to increased carbon dioxide emissions from soil. Instead, adding more carbon and nutrients like nitrogen and phosphorus triggers higher CO2 levels released from the soil. This finding highlights the crucial role of microbes in regulating soil carbon cycling.
The IUCN Microbial Conservation Specialist Group is a new coalition of experts aiming to integrate microbiology into global biodiversity governance. The group's priorities include building a global network, mapping microbial conservation hotspots, developing microbe-specific Red List criteria, and mapping existing projects.
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.
Researchers found biochar improved soil's ability to hold nutrients and moisture, giving cotton plants better growth conditions. Biochar also helps improve water quality by keeping nitrates in the soil and out of groundwater.
A new study found that global climate conditions affect the spore traits of arbuscular mycorrhizal fungi, influencing their survival, spread, and interaction with plants. The research provides insights into the environmental adaptations of microorganisms, which could guide soil restoration and food production.
Researchers have used a dynamic global wetland water level dataset to assess the spatiotemporal dynamics of wetland carbon sequestration. They found that tropical wetlands contribute 70% to global C sequestration, with South America, Asia, and Africa being the top three continents.
A groundbreaking single-day study on Crete's soil microbiome has provided new insights into the environmental factors influencing microbial diversity. The researchers identified several key drivers, including soil moisture and nutrient availability, which can inform strategies for preserving biodiversity.
A recent study published in PLOS One found that European peatlands require warm temperatures and a specific water table depth to accumulate plant matter and store carbon. The study suggests that maintaining a water table around 10 centimeters below the surface is key to allowing peat to grow quickly and store carbon over the long term.
Researchers at the University of Illinois are working to bring back biodiversity to the Midwest by analyzing commercially sold seeds and plants. They found that long-lived species were more available than sensitive ones, and certain plant groups were over- or underrepresented in commercial seed mixes.
A multi-state study found inconsistent results on the performance of 'penetrants' and 'retainers,' emphasizing the importance of evidence-based surfactant classification. The research showed varying effects on rootzone volumetric water content and surface firmness, depending on location and turfgrass species.
New research claims adding lime to agricultural soils can remove CO2 from the atmosphere, rather than cause emissions. The study, based on over 100 years of data, shows that the addition of acidity is the main driver for CO2 emissions from soils.
Restoration efforts have shown promising results, with satellite data indicating that restored peatlands' temperature and albedo improve over time. However, the return of vegetation is slower, emphasizing the need for additional measures.
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 developed an AI-powered microscope system to measure soil fungi presence and quantity, providing insights into soil health and fertility. The low-cost optical microscopy with machine learning technology can be used by farmers and land managers worldwide.
Research presents fig tree species storing calcium carbonate in trunks, converting CO2 from atmosphere. The oxalate-carbonate pathway increases soil pH and nutrient availability, making it a potential means to mitigate CO2 emissions.
A new study from Tulane University reveals that parts of New Orleans are sinking at an alarming rate, with some areas experiencing up to 2 inches of elevation loss annually. The findings highlight the need for ongoing monitoring and maintenance to ensure the city's flood defenses remain effective.
A recent study reveals that soil viruses can enhance the accumulation of recalcitrant dissolved organic matter, leading to increased soil carbon sequestration. Viral mechanisms also highlight a novel coupled carbon and nitrogen cycling process, modulating soil greenhouse gas emissions.
A novel technique has been developed to estimate microbial biomass in soils using water-extractable organic matter (WEOM) from air-dried samples. The study found a strong correlation between WEOM measurements and microbial biomass carbon content, indicating its potential as a reliable estimate.
A new study has revealed that wheat plants actively influence the microbial communities living on and inside their roots, with certain microbes favored under dry conditions and others under irrigation. This dynamic relationship allows the plant to select its microbial partners, shaping its microbiome over time.
Researchers uncover valuable insights into past climate scenarios and marine ecosystems through ancient sediment cores. The study highlights the need for more data to improve future climate models and transform our understanding of Earth's complex life systems.
A new study by MIT researchers suggests that microplastics are less likely to accumulate in sediment infused with biofilms, which can resuspend particles and carry them away. In contrast, areas of bare sand can become hotspots for microplastic accumulation due to the lack of biofilm.
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.
A new article published in Crop Science journal provides comprehensive information on the disease's pathology, progression, and management of large patch, a fungal disease that can compromise turfgrass health. Effective management strategies include proper mowing, fertilizing, and watering practices.
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.
A new study from Colorado State University reveals that photovoltaic (PV) arrays in grasslands can improve soil moisture levels and increase plant growth, particularly during dry years. The research found a 90% increase in grass production on the east side of panels compared to neighboring open sites.
A study by Göttingen University researchers combined satellite data with manual measurements to better understand forest soil moisture. The findings show that soil moisture is strongly influenced by weather and season, not exact location, and highlight the importance of monitoring soil moisture over time for effective forest management.
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...
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.
Research suggests that the mycorrhizal mediation hypothesis explains biogeographical patterns in conspecific negative density dependencies, with smaller differences between arbuscular and ectomycorrhizal fungi types. The study reanalyzed a global dataset, showing reduced differences in forests with high abundance of arbuscular mycorrhi...
A recent study reveals extensive pesticide contamination in the Upper Rhine Region, contaminating not only agricultural areas but also remote regions. The research found that pesticide mixtures spread far beyond fields, posing a risk to people's health and environment.
Repeated drying and rewetting cycles in soil significantly increase carbon dioxide release, making it a crucial factor in understanding climate change impacts. This research highlights the importance of considering these cycles in predicting future environmental changes.
A team of researchers recommends incorporating principles like collective benefit and ethical governance into ecological data practices to align with existing data infrastructures. They suggest establishing collaborative relationships with Indigenous rights holders and exploring how data can be aligned with Indigenous expertise and wor...
Researchers analyzed tropical storm-related precipitation to understand its impact on local water resources and provide insights into climate predictions. The study aims to help communities prepare for extreme storms and manage water resources before and after the storms.
Researchers at Chalmers University of Technology found that biochar significantly reduces DDT uptake by earthworms in contaminated soil, halving the toxin's presence. This method could enable farming on land deemed unusable due to environmental risks.
The UN reports that over 77.6% of the world's land experienced drier conditions in recent decades, with drylands expanding by nearly a third larger than India. This trend is driven by human-caused climate change and has dire implications for agriculture, ecosystems, and people living in affected areas.
The World Drought Atlas depicts the systemic nature of drought risks, highlighting their interconnectedness across sectors. It underscores the need for national plans and international cooperation to build resilience against harsher droughts, which are expected to affect 3 in 4 people globally by 2050.
Scientists are urging global leaders and industries to deploy microbial solutions to combat climate change. The initiative aims to expedite the use of microbiome technologies to capture carbon, reduce greenhouse gases, and restore ecosystems.
New research found that bio-based fibres have a range of adverse effects on earthworms, animals critical to environmental health. The study highlights the importance of testing new materials before they are released on the market.
Plant roots use a silent molecular 'language' to direct fungi to attach, providing phosphates. Researchers discovered that strigolactone activates fungal genes associated with phosphate metabolism, leading to new strategies for cultivating hardier crops and combatting disease-causing fungi.
This study analyzed soil VOC levels and their correlation with soil physical properties, ionome, microbiome, metabolome, and rhizosphere chemicals. The results reveal that soil VOC profiles can be reliable indicators for evaluating soil health in agricultural environments.
Scientists discovered ancient stromatoporoids survived the Late Devonian extinction and continued to thrive as major reef-builders during the Carboniferous Period. The findings shed light on the resilience and adaptability of marine ecosystems.
A new USDA-funded research grant supports the development of sustainable, biodegradable mulch films that can provide nutrients to crops while reducing plastic pollution. The project aims to create durable and effective films that can be used for years without harming the environment.
Researchers propose a simple indicator of crop's impact on soil erosion, calculating its 'soil footprint' for Spain's main crops. The study reveals that olive trees have the largest 'soil footprint', while onions and potatoes have the smallest, emphasizing the need to adopt protective strategies to reduce soil erosion.
Researchers harvested climate-smart soybeans in a $5 million USDA project aiming to reduce GHG emissions while increasing crop production. The crop was grown using five climate-smart practices, including earlier planting and soil conservation.
An international study found that as environmental stressors increase, terrestrial ecosystems' ability to resist global change decreases significantly. This is especially true when stress is sustained over time, highlighting the need to reduce global drivers of change.
A $750,000 NIFA grant will support research on growing blackberries in soilless substrates to increase yields and improve fruit quality. The project aims to develop an integrated system for enhanced profitability and sustainability.
Researchers at FAU will investigate how microbes respond to climate conditions and develop strategies to enhance soil health in drylands. The project aims to improve understanding of microbial resistance to climate change and discover solutions to reduce soil degradation.
A research team finds that local community members are indispensable partners in enhancing community engagement in repairing damaged ecosystems. Local values and attitudes play a crucial role in promoting sustainable ecosystem management practices.
A new study by German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig found that climate change impacts ecosystems' multifunctionality, affecting soil health and biodiversity. Sustainable land management practices can enhance ecological and economic benefits under current and future climate conditions.
Climate change is driving sudden onset of drying in South America and southern Africa, while Central Asia sees increased moisture due to warming temperatures
Researchers at the University of Tennessee have found that storing soil samples under refrigerated or air-dried conditions can retain microbial community composition and structure for many years. This discovery can help future researchers save time and energy when studying microorganisms in soils.
Researchers from the University of Copenhagen discovered that a biological mechanism called autophagy plays a key role in plant root growth. By understanding how plants control their root growth, scientists can develop climate-resilient crops to thrive in harsh conditions.
A review study published in Nature Reviews Earth & Environment highlights the need for better monitoring of changes in soil and surrounding ecosystems after wildfires. This enhanced monitoring could inform decisions on treating drinking water sourced from burned areas, reforestation, and protecting workers against toxins.
A new study predicts key soil health indicators such as organic matter content and soil texture using standard tests. This can guide fertilization, irrigation, and herbicide decisions, reducing turnaround time by at least half. The models are accurate for fine and medium soils but less so for sandy soils.
A new study by the University of Plymouth found that saturated soils in upland regions could negatively impact the survival rates of young oak saplings and acorns. The research highlights the importance of considering soil conditions when creating temperate rainforests to combat climate change.
Research found that soil warming increased respiration rates, but reduced temperature sensitivity and altered microbial carbon use efficiency. Organic matter input enhanced aggregate accumulation and changed respiration patterns among aggregates of different sizes.
This study reveals the role of substrate carbon quality and nitrogen limitation in regulating temperature sensitivity (Q10) under various oxygen conditions. Q10 did not show consistent patterns under different oxygen levels, suggesting other factors may override oxygen's effect.