Using insect exoskeletons and feces to promote sustainable crops could enhance plant growth, health and resilience. Insect-rearing byproducts may also act as pest control agents.
A recent data-driven study by Emory University researchers highlights the struggles of US farmers to make a living, even with government subsidies. The study creates a free online data hub to track farmer livelihoods and suggests that federal subsidies need to be reimagined to support innovation and adaptation in agriculture.
Scientists in Saudi Arabia developed a solar-driven system that uses hydrogel to condense water from air while generating electricity. The system successfully grew spinach in a hot climate, producing over 2 liters of water and 1,519 watt-hours of electricity.
Researchers at University of Illinois develop new method to accurately estimate soil organic carbon using airborne and satellite hyperspectral sensing. The study leverages machine learning algorithms with a comprehensive soil spectral library, enabling large-scale monitoring of surface soil organic carbon.
Researchers discovered two WOX genes controlling lateral root primordium size in rice, improving drought stress tolerance and crop production. QHB/OsWOX5 regulates S-type roots, while OsWOX10 mediates L-type root development, enhancing water uptake under drought conditions.
Researchers at RIKEN CSRS have developed a non-transgenic method to modify plant genes using a bioactive molecule spray, which can be used to improve crop yield and resistance to pests. The technique has shown promising results in improving economically desirable quality traits in crops.
A study published in eLife found that growing rice alongside carp, mitten crabs, or softshell turtles increases yields by 8.7-12.1% while reducing nitrogen levels in the soil and weeds. This method also allows for increased profits as farmers can sell both animals and rice.
A new study by Penn State researchers predicts reduced corn production due to climate change, with irrigated yields blunted. Rainfed corn yields are projected to decline up to 40 bushels per acre, while irrigated yields face a 19-bushel-per-acre decline.
Researchers found that streptomycin, a widely used antibiotic in U.S. agriculture, impairs bumblebee behavior, including reduced foraging efficiency and slowed cognition. The study aims to understand the potential impacts on pollinators of antibiotic use in agriculture.
A recent ecosystem modeling study by Iowa State University scientists shows that US crop production has led to a tripling of soil nitrous oxide emissions since 1900. The study found that agricultural soils, particularly those devoted to corn and soybean production, are the primary source of these emissions.
Research reveals that approximately 3 out of 4 Fusarium infections of northern Vietnamese bananas are caused by F. tardichlamydosporum and F. odoratissimum, with wild bananas potentially acting as a sink for the disease. The study's findings suggest that concrete measures can be taken to control the future spreading of the disease.
The review suggests that Telenomus remus has high potential to successfully suppress fall armyworm and related pests. A regional approach could work well, and the use of T. remus will be best done as part of an Integrated Pest Management programme.
SourceCABI·JournalCABI Agriculture and Bioscience·TypeLiterature review·DateFeb 14, 2022
Scientists at the University of Copenhagen have developed a method to produce non-alcoholic beer that tastes like regular beer, improving its flavor and sustainability. The technique involves using micro-factories of yeast cells to release hop aroma molecules, eliminating the need for expensive aroma hops.
A new study finds that European diets must change to reduce climate impact, with feeding livestock low-opportunity-cost biomass offering a 31% reduction in greenhouse gas emissions. The EAT-Lancet diet, which recommends reducing animal-source foods like red meat, is at odds with circular food systems that prioritize land use efficiency.
Researchers develop a new wheat mutant with broad-spectrum powdery mildew resistance, without growth or yield defects. They achieve this through multiplex genome editing, identifying the role of TaTMT3B in alleviating growth penalties associated with MLO disruption.
A new study suggests that widespread use of genetically modified crops in the EU could prevent the release of 33 million tons of CO2 equivalents, equivalent to 7.5% of annual greenhouse gas emissions from agriculture. This is mainly due to reduced land-use change and preservation of the Amazon rainforest.
Scientists from Nagoya University investigate the formation of air channels in wetland plants, which help them survive floods and droughts. The study reveals that a phytohormone called auxin is required for normal root growth, and two factors lead to the induction of aerenchyma formation in response to flooding.
A study published by Hiroshima University researchers reveals that the TAB1 gene is essential for rice grain formation. The gene plays a critical role in maintaining stem cells until the last stage of flower development, leading to ovule formation and seed production.
A group of plant pathologists have compiled a recovery plan to mitigate tar spot's impact on corn production. The plan reviews current knowledge and future needs, enabling the dissemination of best management practices across state lines.
Britain's urban areas have sufficient green space to support a large-scale 'grow your own' movement, meeting dietary needs and reducing reliance on imports. The study estimates that converted urban spaces could produce up to eight times the current UK fruit and vegetable output.
A new study by Sean Kennedy found that corporate sustainability efforts to adapt to climate change actually increase the vulnerability of small cocoa farmers in Indonesia. The researchers' strategy transfers climate-related risks from chocolate manufacturers to the farmers.
The FUN-BioCROP model predicts effects of plant choice and agricultural management on soil carbon storage, slowing climate change. By using bioenergy from plants, less carbon dioxide is emitted into the atmosphere, resulting in a more sustainable energy source.
A recent study suggests that dairy farmers in the Northeast can reduce environmental impacts and maximize revenues by implementing double cropping and subsurface injection of manure into the soil. These strategies reduced total nitrogen losses by 12-18% and total phosphorus losses by 16-19%.
Banana Blood disease has arrived in mainland Malaysia, spreading rapidly across the country and potentially threatening food security. The disease, first reported in Indonesia in 1905, has already devastated banana plantations in many parts of Southeast Asia.
The study found that nitrogen fertilizer accelerated residue decomposition, producing more carbon dioxide and reducing the incorporation of residues into soil organic matter. This long-term problem can cause microbes to attack stable organic matter, leading to a decline in soil health.
University of Adelaide scientists developed a new simple and inexpensive method to detect low concentrations of agricultural lime in soils. The Mid Infrared spectroscopy technique allows for accurate detection of very small amounts of lime, enabling farmers to manage their soils more effectively.
The study analyzed 32 rice cropping systems and found that around two-thirds of them have yields below optimal levels, highlighting opportunities for improvement through better management and breeding programs. Sustainable intensification can help increase crop yields while minimizing environmental impact.
A $19 million research project will investigate the connection between grazing management decisions and soil health, aiming to improve soil resilience and productivity. The project, led by Noble Research Institute, will provide farmers and ranchers with tools to measure outcomes of soil health in grazing land environments.
Researchers have confirmed a Champaign County waterhemp population is resistant to dicamba, with a 65% control rate. The population shows signs of metabolic resistance, activating detoxification genes before the chemical can harm. This finding raises concerns about the potential for broader herbicide resistance.
Researchers have discovered that certain strains of Aspergillus can be used to degrade aflatoxins in crops, reducing the risk of food contamination. This biological control method utilizing biocontrol products is currently the most effective way to produce safe and healthy foods and feeds.
A new Illinois study compares performance of static and dynamic nitrogen recommendation tools, finding that complex dynamic tools do not consistently increase profits but offer a 15% reduction in nitrogen leaching. The researchers highlight the need to refine these tools and prioritize environmental outcomes over economic gains.
Scientists discover that small RNAs recruit RNA Polymerase V to initiate DNA methylation, enabling crop breeders to avoid silencing from the start. This finding has substantial implications for reducing the cost and effort of producing transgenic crops.
Farmers in the African Sahel have developed crop diversity strategies to cope with high seasonal variability and rising temperatures caused by climate change. By alternating long and short-cycle crop varieties, such as sorghum and pearl millet, they maintain food security despite changing environmental conditions.
A NASA study published in Nature Food projects that climate change will affect crop yields as early as 2030. Maize yields are projected to decline by 24%, while wheat yields could increase by 17%. The changes are due to rising temperatures, shifting rainfall patterns, and elevated carbon dioxide concentrations.
A NASA/PIK study found that new climate conditions will push crop yields outside of their normal range in more regions, particularly in breadbasket areas. This could lead to severe losses for farmers unless they adapt quickly by changing planting dates or using different crop varieties.
A team of scientists found that technology adoption as a water-saving method for improving irrigation efficiency is ineffective and can worsen water scarcity. The study suggests that modern irrigation technologies may only achieve a 10-20% saving under ideal conditions.
A new production model has been introduced to the Rwandan broiler industry, allowing smallholders to increase productivity and profitability. The model, which employs a hybrid asset-building approach, provides an entry point for small-scale producers to compete with larger operations.
A large-scale study characterized 585 strains of the Xanthomonas perforans bacterium in Florida commercial tomato fields, finding associations between farms and transplant facilities as key points of pathogen spread. This research provides insights into the diversity of the pathogen population and potential control strategies for farmers.
A recent study has revealed that Fusarium wilt of cotton is more aggressive and diverse than previously understood, affecting Pima and Upland varieties. The researchers identified a population shift towards FOV4, a fourth race of the fungus, which has overcome some resistance in commercial Pima varieties.
Researchers found that urban waste products applied to agricultural fields in France contained higher levels of per- and polyfluoroalkyl substances (PFAS) than livestock manures. The study also detected a shift towards more persistent PFAS compounds over time, raising toxicity concerns.
Over an 80-year period, marketable ear mass in sweet corn hybrids grown at high densities increased by 2.85 tons per acre, while fresh kernel mass and recovery showed minimal changes. Modern hybrids were found to be more suitable for growth at high densities due to their compact plant architecture.
Research suggests that concentrate farming allows for more natural habitats while meeting future food targets, resulting in better biodiversity outcomes compared to wildlife-friendly agriculture. This approach also sequesters more carbon and may benefit marine life.
University of Illinois researchers discovered waterhemp's unique mechanism to detoxify the herbicide SA3, adding complexity to controlling this weed. This finding raises concerns about the potential for waterhemp to resist new herbicides before they are even commercialized.
A new report by International Food Policy Research Institute (IFPRI) suggests that accelerated adaptation can substantially reduce Egypt’s food production losses from climate change. Climate change-induced biophysical crop stress could lead to a 10% reduction in food crop yields by 2050, but investing in agricultural research and devel...
A new study reviews sustainability standards for crop and livestock production, finding moderate positive effects on the environment through reduced agrichemical use. However, economic benefits vary by region and standard, and assessments are complicated. The study also raises concerns about labor practices and inequalities in the rura...
The Sustainable Agriculture Matrix provides a comprehensive assessment of agricultural sustainability at a national level, considering environmental, economic, and social impacts. The framework helps governments and organizations evaluate progress, identify priorities for improvement, and inform policies towards sustainable agriculture.
A new University of Illinois study integrates field data and advanced mathematical modeling to understand how cover crops affect soil water, nitrogen, and oxygen dynamics. The research finds that proper management of cover crops can balance their benefits with cash crop yields, while ignoring the impacts without optimization.
A new study provides a comprehensive framework to evaluate the emissions of three major greenhouse gases from food production and consumption. The research found that animal-based foods emit 57% of global greenhouse gas emissions, while plant-based foods account for 29%, with CO2 being the most important emission factor.
Researchers at UMD are developing CRISPR-Combo systems to improve genome editing and crop regeneration. The technology aims to reduce the time and cost of breeding new crop varieties with enhanced nutritional and agronomic traits.
Researchers have sequenced the shea tree's genome, providing a valuable resource for genetic improvement and breeding. The new tool will enable faster development of high-performing shea varieties, addressing the species' slow growth rate and high demand.
Researchers from Göttingen and Hohenheim found hand pollination used worldwide for 20 crops, including apples and vanillas. The method can reduce losses and improve crop quality, but also brings challenges due to labor intensity and cost.
A new study predicts that climate change will lead to longer dry spells in tropical regions, causing important global crops like coffee and cocoa to suffer. This could result from hotter temperatures, increased number of dry days, and longer dry spell lengths, particularly during the dry season.
The Agrobiodiversity Index reveals that globally, biodiversity and agrobiodiversity are in decline, with only a fraction of species contributing to crop production. Maintaining diversity is vital for achieving sustainable food systems.
A recent study has identified a nematode attractant in flax seeds, which can be used to develop sustainable and environmentally-friendly agriculture methods. The attractant, consisting of cell wall polysaccharides, is found to contain L-galactose sidechains that are critical for nematode attraction.
A comprehensive review found that site-specific nutrient management (SSNM) increases yield by 12% and profitability by 15%, while saving 18 kg N/ha and reducing environmental risk. SSNM can detect and correct long-standing nutrient input inadequacies, improving outcomes.
A recent study by the University of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment suggests that bioenergy crops can be produced on economically marginal land. The research team estimated that 1.4-2.2 million hectares in the rainfed region are suitable for bioenergy crop production on such land.
Researchers from Tel Aviv and Berkeley Universities propose a model for seaweed farms to absorb nitrogen, reducing pollution in estuarine and marine environments. The study shows that these farms can produce a natural decontamination facility with significant ecological and economic value.
Researchers found that many collectors are planting seeds in forests to conserve wild populations, but also using commercially acquired seeds from online purchases, threatening the plant's gene pool. The study aims to better understand ginseng forest farming and promote conservation efforts in Pennsylvania.
Citrus canker has reappeared in Texas after a 70-year absence, threatening the state's $200M commercial citrus industry. Collaborative eradication efforts are underway between the USDA, Texas Department of Agriculture, and universities to prevent further spread.
Research suggests climate change will increase disease pressure in some regions and reduce it in others. Model projections indicate that rising temperatures will boost yields in temperate areas while having little effect on tropical regions.