Researchers found that mycorrhizal fungi can increase nitrogen fixation in legumes, improving soil fertility for corn production. Legumes like lablab show promise as a solution to enhance soil fertility without fertilizers.
A study published in BMC Public Health found a link between sewage sludge use and Staphylococcus aureus infections, affecting 25% of surveyed residents. The US EPA was criticized for not considering the combined risks of pathogens and chemicals in treated fields.
Researchers have found a way to use a single photon to initiate the transfer of two electrons in a photochemical reaction, offering greater efficiency. The long-lived charge separation appears to last for several minutes, which is longer than usual.
Researchers have found that innovative soil fertility replenishment programs can increase crop yields by two- to four-fold, providing strong evidence for their effectiveness. The programs use natural resources available in Africa, such as trees and rocks, to replenish nutrients depleted from the soil.
Researchers found that elevated carbon dioxide levels hinder nitrate assimilation in plants, leading to reduced protein content and increased risk of malnutrition. The study suggests a shift from nitrate to ammonium fertilizers may be necessary to maintain crop yields under high CO2 conditions.
Researchers at the University of Illinois have identified key factors affecting phosphorus runoff and developed management strategies to minimize its impact on lakes and streams. The team suggests adopting no-till soil conservation practices, injecting liquid manure and fertilizer into the soil just below the surface.
Researchers have created a novel method to measure soil fertility using Mason jars, which can detect chemical fractions that feed corn plants. The Illinois N Test uses a combination of heating and titration to determine nitrogen content in the soil.
A new study suggests that increasing fertilizer efficiency could reduce nitrate levels in the Mississippi River by up to 33% while maintaining crop yields. The research found that a modest reduction in nitrogen fertilizer use could substantially reduce nitrate concentrations in the river.
Scientists have found a new source of nitrogen-fixing bacteria in the Pacific Ocean near Hawaii, which could contribute significantly to ocean nitrogen fixation. The newly discovered bacteria are active at greater depths and longer time periods than known marine cyanobacteria, with potential implications for global warming.
Researchers find nitrogen-fixing cyanobacteria in Pacific Ocean water samples near Hawaii, contributing significantly to ocean nitrogen fixation. The newly discovered bacteria are more abundant and active than previously thought, with potential implications for global warming.
Researchers have decoded the genome of Sinorhizobium meliloti, a bacterium that fixes atmospheric nitrogen for plants. The complete genome map could improve crop yields while reducing fertilizer use, contributing to more sustainable agriculture.
Studies found that up to 70% of stream respiration and 10-50% of nitrate uptake occur in hyporheic zones, which retain more nitrogen. This process may be a crucial player in global nitrogen dynamics.
Researchers at Ohio University are developing an algae-based system to remove carbon dioxide from smokestacks, reducing greenhouse gas emissions. The system uses photosynthesis and could process up to 20% of a plant's CO2 emissions, producing 200,000 tons of algae per year.
A University of Iowa biologist is studying the application of new acoustic technologies to manage gas production and potentially eliminate odors in large-scale pork production facilities. The goal is to reduce environmental impact and improve nutrient value of hog manure used in fertilizer.
Philip Benfey has identified a gene that governs how plant cells proliferate and organize to form root systems. The research, published in Cell, has implications for both biology and bioengineering, including improving crop tolerance to salinity and fertilizer reliance.
Researchers investigate plant microbiome interactions to optimize nitrogen uptake, reducing fertilizer needs. Janine Sherrier's presentation at UD explores symbiotic relationships between legumes and soil bacteria.
A recent study reveals that much of the information on global pollution is flawed due to the chirality of chemicals. This asymmetry affects how toxic pollutants interact with living organisms. The study finds that some pollutants may be less harmful than thought, while environmental changes could increase or decrease their toxicity.
A study has identified perchlorate in fertilizers, a chemical compound suspected of adverse health effects. The findings suggest that fertilizers could be a source for perchlorate accumulation in the food chain, posing risks to human health and ecosystems.
Researchers found that soil erosion has been steadily decreasing since the 1930s, with erosion now at a mere 6% of its peak during the Dust Bowl era. The study's findings suggest that conservation efforts are working and watersheds are more intricate than previously thought.
A study by Ohio State University researchers reveals that humic acid can trap nitrogen-containing proteins in soil, reducing their availability to plants. The process may be responsible for declining rice yields in Southeast Asia despite increased fertilizer use.
A study by Purdue University estimates that farmers can cut excess nitrogen flow by 20-25% using various methods, such as improved fertilizer management and wetland reconstruction. This reduction is crucial to eliminate the hypoxic zone in the Gulf of Mexico, which affects marine life and water quality.
Researchers found a link between rainfall and nitrate leaching, with increased rainfall leading to higher nitrate levels in tile flow. The study recommends applying nitrogen fertilizer in the spring to prevent excessive nitrate loss.
The report highlights the problems caused by nonpoint source pollution, including eutrophication, which can lead to fish kills, coral reef destruction, and shellfish poisoning. The report provides solutions, such as reducing fertilizer applications, improving sewer systems, and restoring wetlands.
Researchers are exploring ways to control the rush of nitrogen and other chemicals into the Mississippi River watershed. Ecotechnology may hold the answer by restoring or building wetlands and riparian buffer zones along waterways.
Research reveals that bison grazing can increase plant species diversity in stressed grasslands, countering the effects of fire and fertilizer. By reestablishing grazing, scientists find that biodiversity can be retained in ecosystems impacted by human activities.
The Pacific Northwest National Laboratory predicts significant advancements in environmental technology by 2008. Key breakthroughs include smart water treatment, renewable energy storage, micro manufacturing, and bioprocessing for producing environmentally friendly chemicals.
A new liquid-manure applicator developed at Purdue University can be integrated into precision farming setups, improving nutrient management and reducing environmental impact. The equipment uses GPS technology and flow measurement systems to accurately apply manure, increasing its value as a sustainable fertilizer source.
A European Union policy overhaul aims to reduce pollution and maintain biodiversity, but scientists struggle to design management strategies for a successful transition. Researchers are exploring the use of diverse plant and soil mixtures to facilitate re-colonization and re-establish natural communities.
Purdue University researchers isolate plant genes that enable efficient phosphate uptake, a key finding in addressing global phosphorus scarcity. The discovery may lead to the creation of more efficient phosphorus users and alternative sources of phosphorus.
Historic farm plots show that over-fertilizing can actually decrease crop yields and make production unstable. Long rotations and sustainable farming practices are more effective in increasing organic matter and nutrients to the soil.
A Penn State poultry nutritionist is developing strategies to balance chicken diets and minimize manure production, reducing nitrogen and phosphorus waste. The approach involves adjusting feed formulation, using better feed additives, and tailoring feeds to the life cycle of birds.
Researchers at UF found that organic waste can improve roadside soil, allowing grass to grow and stabilize roadways. The compost adds nutrients and holds water, making conditions favorable for grass growth.
Researchers at Purdue University have developed a process to make topsoil from coal ash, yard waste and industrial byproducts. The resulting soil is nutrient-rich and outperforms local topsoil in terms of yield.
The University of Illinois is using satellites and sensors to monitor crop yields, soil moisture, and pest infestations. This technology aims to improve agricultural efficiency while reducing chemical runoff and soil erosion, benefiting the environment.
Agricultural workers in Georgia are now being educated about skin cancer risks through a new program, thanks to $1.15 million in funding from the National Institute of Occupational Safety and Health. The program includes sun block, hats with built-in neck protection, and educational materials targeted at farmers' families.
Researchers at UC Davis analyzed eight lake studies and found that limiting nutrient supply is a stronger mechanism for controlling algae blooms than tinkering with food webs. This challenges the 'trophic cascade hypothesis,' which suggests manipulating food web structure can regulate lake clarity.
Researchers found that seed corn growers in Illinois using irrigated sandy soils can increase profits by cutting back on nitrogen fertilizer use. Excessive nitrogen application leads to organic nitrogen accumulation in soil microorganisms, hindering crop growth.
A recent University of Illinois study found that using starter fertilizer on no-till corn fields can increase yields by up to 14 bushels per acre. This technique provides early nutrient availability, which is particularly beneficial for no-till farming due to cool and wet soils during the initial growing season.
Experts from 8 countries warn of the 'yield barrier' in wheat, calling for a global quest for genetic diversity and new breeding techniques. The report outlines six scientific strategies to boost yields, including exploiting wild wheat relatives and developing new plant prototypes.
Researchers at the University of Florida's Institute of Food and Agricultural Sciences are conducting a three-year study on saw palmetto production and management. The study aims to increase knowledge on factors affecting growth and fruiting of the saw palmetto, with potential benefits for farmers in Florida seeking supplemental income.