Scientists at the US Department of Agriculture have identified yeast species that produce sophorolipids, a type of green surfactant. The study found three new Candida species that can be used to mass-produce these eco-friendly alternatives.
Researchers at USDA's Agricultural Research Service (ARS) have created a unique fingerprinting method to identify the source of soil, distinguishing between soils from rural roads and agricultural fields. This innovation has significant implications for managing wind erosion and promoting sustainable agriculture.
Researchers have identified a promising conservation tillage technique called undercutting, which can reduce PM10 emissions by 30-70% compared to conventional tillage. This method creates an aerodynamically rougher soil surface, promoting retention of crop residue and reducing wind erosion.
Researchers discovered herbicide volatilization consistently results in losses exceeding those from surface runoff, with a significant impact on groundwater contamination. The study highlights the importance of considering soil moisture levels and air temperatures in models of pesticide volatilization.
Scientists with the U.S. Department of Agriculture (USDA) are identifying factors that influence pesticide levels in the Chesapeake Bay airshed. The study found that nearly all air samples contained lindane and chlordane products, with highest concentrations at dieldrin and DDE.
USDA scientists found that non-pathogenic E. coli strains can survive longer in underwater sediments than in water, supporting the use of sediment as an indicator of fecal contamination. The study also revealed that higher levels of organic carbon and fine particles in sediment prolonged E. coli survival.
An online mentoring program helped students in agriculture and natural resources gain insight into career opportunities and college life. The program expanded students' views of career possibilities and increased their willingness to relocate for career purposes.
A global review of research on stature and health during the agriculture transition found consistent trends of declining height and health globally. The study, published by Emory Health Sciences, analyzed data from various world regions and cultures, revealing a link between early agricultural practices and reduced adaptability to stress.
An integrated approach combining agriculture and forestry is more effective than sparing land for forests through agricultural intensification. Agroforestry enriches soil conditions and acts as a carbon stock, helping mitigate climate change.
A new analysis finds that most countries participating in REDD+ cite agriculture as the main cause of deforestation, but few provide details on how to address this issue. Countries pursuing food and biofuel production policies are intensifying agriculture-related pressures on forest lands.
A study from Romania highlights the importance of traditional agriculture in protecting amphibians, finding that roads have a direct and indirect negative impact on their populations. Preserving traditional agricultural practices could be key to protecting these species in Central and Eastern Europe.
A study by the USDA found that keeping dairy cows outdoors year-round lowers ammonia emissions by 30% and greenhouse gas emissions by 8%. Well-managed outdoor dairy herds also sequester more carbon in fields converted to perennial grasslands.
The Bee Informed Partnership aims to reduce honey bee mortality, increase profitability, and enhance sustainable management systems. The project will use epidemiological methods to identify effective practices and create a dynamic Honey Bee Health database with an interactive web-based interface.
A nationwide team of agriculturists recommends a 'whole-system redesign' of US agriculture to achieve long-term sustainability. The approach would balance production goals with environmental, social, and economic concerns by incorporating innovative agricultural systems such as organic farming and mixed crop and livestock systems.
Penn State's Childhood Obesity Prevention Graduate Training Program aims to reduce child obesity rates through comprehensive training in ingestive behavior, nutrition education, and research methods. The five-year grant will support nine graduate students and provide on-the-job training in four career areas.
Researchers are testing a fungal pathogen and releasing non-stinging wasps to control the emerald ash borer, which has devastated forests and tree-lined neighborhoods. The fungus, Beauveria bassiana, kills beetles when applied to infested trees before wasps are released.
A $4.8 million federal grant will help UC Davis discover ways to maintain healthy weights among Mexican-heritage children in California. The 'Ninos Sanos, Familia Sana' study aims to provide practical tools and education for families to adopt healthy eating habits.
Agricultural companies have shown a stable and profitable performance over the past several years, outperforming the S&P 500 index with an 8.6% market value increase from 2007 to 2011. The top-performing sectors were fertilizer, equipment, and seed and genetic companies.
Researchers will use DNA-based models to predict genetic merit for feed efficiency and identify specific bacteria that affect cattle digestion. The study aims to improve animal well-being, reduce production losses, and minimize environmental impacts.
A US Department of Agriculture study suggests that dietary yeast extract has good potential as a non-antibiotic alternative for decreasing pathogens in organic turkey production. The researchers are looking for a balance between enhancing immune response and maintaining growth.
The ESNA project developed a flexible framework for business-oriented wireless-sensor network applications, enabling precision agriculture, energy monitoring, and industrial process control. The project's strong European lead in wireless sensor networks is being leveraged by commercial actors and spin-offs targeting various industries.
Researchers at IITA and CIFOR found that widespread deforestation in West Africa's tropical forest region is driven by low-input farming practices. Increasing fertilizer use could have spared 2 million hectares of forest from being cleared, instead promoting sustainable agriculture and higher yields.
Studies by CSIRO and the University of Sydney found that ants and termites can increase wheat crop yields by up to 36% under low tillage conditions. The insects improve soil nitrogen and water infiltration, reducing runoff and evaporation. This breakthrough has significant implications for dryland agriculture in hot and dry climates.
A recent study reveals that bats save the US agricultural industry at least $3 billion a year by controlling insect pests. The analysis also warns of potential losses due to white-nose syndrome and wind-energy facility fatalities, emphasizing the need for bat conservation.
Bats play a crucial role in reducing pesticide use and crop damage, with estimates suggesting their value to agriculture is roughly $22.9 billion annually. However, widespread bat population declines due to diseases like White-Nose Syndrome and wind turbine collisions threaten this ecological balance.
A study by US Department of Agriculture scientists found that no-till production systems can significantly reduce soil erosion and enhance efforts to protect water quality. The research compared runoff, soil erosion, and crop yields in conventional and no-till winter wheat-fallow systems.
A team of US Department of Agriculture scientists found that moderate cattle grazing can improve soil health and sequester carbon and nitrogen. Decades of plowing have degraded the soil in the Piedmont region, but researchers discovered that grasses planted on eroded land and grazed by beef cattle can restore soil quality.
Researchers from the US Department of Agriculture have found moderate antimicrobial activity and significant antiplatelet-clumping activity in chamomile tea. Peppermint tea has been shown to have strong antioxidant and antiviral actions, while hibiscus tea has lowered blood pressure in pre-hypertensive adults.
A USDA study found that ragweed pollen season in North America has increased by almost a month, correlating with seasonal warming shifts and climate change. The study supports the impact of climate change on public health and agriculture.
Researchers will collect and analyze data on carbon, nitrogen, and water movement to create models and evaluate crop management practices. The goal is to develop scenarios based on different practices and offer training for teachers and scientists to understand climate shifts and agriculture.
NIFA awards $20 million each to three research teams to study climate change effects, develop adaptation methods, and train professionals. The projects will monitor soil carbon, greenhouse gas emissions, and crop management practices to inform agricultural decisions.
To solve the world's food problems, agriculture needs to use resources more efficiently by integrating various sectors and adopting innovative methods. Researchers are exploring ways to grow crops in areas that were previously unused, such as using wastewater to irrigate and fertilize fruit and vegetables.
A growing livestock industry is fueling animal epidemics that threaten food security in developing countries, where people rely on farm animals for their families' survival. The lack of veterinary capacity to track and control outbreaks poses a significant risk to human health, particularly in Africa and Asia.
Growing trees on farms enhances soil health, conserves water, and provides a range of products including food, medicine, and energy. Agroforestry is crucial for meeting global challenges such as food security and climate change.
African leaders are set to adopt a new strategy for transforming the continent's agriculture and economy. The plan calls for increased investment in modern technologies, infrastructure expansion, and improved education, with a focus on women's empowerment and rural prosperity.
The University of Arizona is receiving $2.9 million to improve the safety and post-harvest quality of field-grown organic leafy greens. Researchers will test edible films, compost teas, and irrigation water for bacterial contamination, aiming to provide safer products for consumers while increasing profitability for growers.
Experts find that adopting a healthy diet in the UK could lead to significant improvements in health outcomes, but doing so in poorer countries like Brazil may have devastating economic consequences. Reducing saturated fat consumption in these countries could result in job losses and disruption to agriculture and trade.
US Department of Agriculture researchers have created strong yet pliable films made from a blend of gelatin from Alaskan pollock skins and polylactic acid. These films may be used in tissue-engineering labs to produce semi-synthetic tissue for bone and cartilage repair, potentially speeding up recovery times.
Virginia Tech receives a $2.7 million grant to study integrated management of zoosporic pathogens and irrigation water quality for a more sustainable green industry. The project aims to develop biologically based control methods and best management practices to recycle irrigation water safely.
A US Department of Agriculture scientist has identified at least six psyllid species in the Rio Grande Valley of Texas, which are suspected to spread citrus greening disease. The psyllids were found on various trees, including torchwood and persimmon, which surround citrus groves.
A case study from Washington State University explores how Urban Agriculture is used to help homeless and underprivileged youth. The CSA program, implemented in Seattle's South Park Neighborhood, provides a weekly box of produce while promoting social skills and employment.
The World Agroforestry Centre calls for a radical transformation in agriculture to address climate change, food security, and sustainability. Evergreen Agriculture promotes sustainable crop yields, carbon storage, and income generation through fertilizer trees integrated into farming systems.
Ongoing studies by the US Department of Agriculture (USDA) are investigating the health benefits of omega-3 fatty acids found in fish oil. Research has shown that DHA and EPA, two essential fatty acids, can help protect against chronic diseases such as insulin resistance and non-alcoholic fatty liver disease.
A new study finds that Bt corn provides significant economic benefits to neighboring farmers by reducing pest management costs and improving grain quality. The researchers estimate cumulative economic benefits of nearly $7 billion between 1996-2009, with benefits of over $4 billion for non-Bt corn farmers.
A new USDA study shows that less than 25% of non-federal rangelands have significant land degradation, while nearly 50% are affected by invasive non-native grasses and shrubs. The research provides valuable information for conservation efforts and sets a baseline for monitoring western rangeland health.
The USDA's National Institute of Food and Agriculture has awarded nearly $3.8 million to develop healthier food products for humanitarian assistance programs. These projects aim to improve the nutritional delivery and functional form of food aid products, particularly for infants and young children at risk for malnutrition.
A recent study conducted by the United States Department of Agriculture found that blueberries can help prevent the growth of atherosclerotic lesions in arteries. The research involved feeding 30 young laboratory mice diets spiked with freeze-dried blueberry powder for 20 weeks, resulting in a significant reduction in lesion size.
A new species of parasitic wasp, Eurytoma erythrinae, has been released in Hawaii to combat the invasive Erythrina gall wasp, which harms endemic wiliwili trees. The parasite's high success rate has led to significant declines in tree damage.
A new multistate study aims to develop and test technologies for site-specific detection and control of nematodes, reducing nematicide usage by over 75% compared to uniform-rate applications. The project will enhance crop yield while saving farmers thousands of dollars annually in reduced pesticide costs.
Research led by Nancy F. Butte and funded by the US Department of Agriculture identifies new genetic biomarkers that may predict type 2 diabetes in children. The study fine-tunes a region on chromosome 13 associated with fasting blood sugar levels, shedding light on predisposition to the disease.
The University of Illinois Center for One Health Illinois is tackling the gap in surveillance by recruiting experts to build a system for sharing environmental and health data. The center has funded several small-scale research projects and is seeking to fund new studies that integrate human, animal, agricultural, and ecosystem health.
The USDA has sequenced the cacao genome, accelerating genetic improvement of the crop to resist pests and diseases, improve yields, and support sustainable agriculture. This achievement will benefit the $17 billion US chocolate industry and millions of small farmers worldwide.
The book provides a historical overview of the American Society of Agronomy's role in shaping global agricultural practices. It also delves into future trends and challenges, including changing diets, biofuels, and under-investment in research, to ensure a sustainable food system for the coming century.
The domestic apple genome sequence has been published, providing valuable information for breeding apples with desirable traits such as disease resistance and flavor. The study confirms that the wild ancestor of the modern domesticated apple is Malus sieversii from southern Kazakhstan.
A new commercial trap for wasps, hornets and yellowjackets has been developed using attractants created by US Department of Agriculture scientists. The RESCUE! W-H-Y Trap attracts multiple species, including yellowjackets, paper wasps and hornets, and eliminates them through drowning or dehydration.
Economists Santanu Roy and Lars J. Olson analyze the balance between controlling invasive species and free trade, finding that some restrictions may be necessary to prevent economic damage while allowing for entry when damages are low. Their study provides a qualitative framework for policymakers to determine optimal response strategies.
A comprehensive CEAP study reveals troublesome nitrogen and copper levels in a major Chesapeake Bay tributary, primarily sourced from agricultural fertilizers. High copper concentrations were found at lower reaches of the river, posing a threat to aquatic life.
Agricultural Research Service scientists have developed a new genetic map of switchgrass, which is expected to speed up the search for genes that make the perennial plant more viable as a biofuel source. The genetic map divides the switchgrass genome into 18 distinct groups of genes linked together on the same strand of DNA.
A teaching and research program will explore how conflict affects agriculture and natural resource management in conflict-ridden countries. The Howard G. Buffett Foundation Chair in Conflict and Development aims to promote scholarship and understanding of this critical issue.
Sharon Walker, a US engineer, partnered with Ben-Gurion University in Israel to develop innovative approaches to water management. The collaboration aims to enhance global competency of graduate students and faculty through research and education.