A team of Illinois researchers has been awarded $5 million to create a new variety of corn called NSave, which aims to reduce nitrogen fertilizer use while maintaining crop yield. The project's goal is to lower costs for farmers and reduce the country's reliance on foreign fertilizer imports.
Researchers have developed a sustainable alternative to traditional fertilizer production by harnessing the Earth's natural heat and forces to cook up ammonia. The new recipe uses iron-rich rocks and nitrogen-laced water, producing about 1.8 kg of ammonia per ton of olivine, with no energy input or CO2 emission.
A team from the Research Institute for Sustainability finds that supply structure changes, geopolitical competition, and decarbonization drive fertiliser market shifts. To address these challenges, coordinated measures are needed, including promoting sustainable fertiliser management practices and reducing synthetic fertiliser use.
A recent study from the University of Illinois shows that gene-edited bacteria can supply equivalent of 35 pounds of nitrogen from air during early corn growth, increasing vegetative growth, nitrogen accumulation and yield by an average of 2 bushels per acre.
Researchers at John Innes Centre have discovered a biological mechanism that enhances partnerships between plant roots and soil microbes, increasing nutrient uptake. This finding holds great potential for advancing sustainable agriculture by reducing the need for inorganic fertilizers.
A new study has found that diversified cropping systems can increase nitrogen supply in the soil, but do not lead to increased soil carbon levels. The study, published in Nature Sustainability, used stable carbon isotopes to analyze soil core emissions and found that decomposition rates were higher in longer rotations.
Researchers at Stanford University developed a prototype device that can produce ammonia from water vapor and nitrogen in the air using wind energy. The technology has the potential to eliminate the need for a century-old method of producing ammonia, which consumes 2% of global energy and contributes 1% of annual carbon dioxide emissions.
A global analysis suggests that recycling human and livestock excreta can contribute substantially to meeting the nutrient supply for all crops worldwide. Recycling these nutrients could reduce global net imports of mineral fertilizers by 41% for nitrogen, 3% for phosphorus, and 36% for potassium.
A new long-term soil health survey in Uganda aims to understand the role of tenure security and plot decision-makers in soil health outcomes. The survey identifies differences in soil health between plots managed by women farmers and men farmers.
Researchers found that streams near farms are a significant source of nitrous oxide emissions, with some areas emitting up to half of the total emissions in the region. The study suggests that targeting mitigation efforts on streams and rivers connected to agricultural soils can help reduce greenhouse gas emissions.
A new nitrification inhibitor, copper pyrazole, has been developed to slow down the nitrification and denitrification processes in nitrogen transformation. The study found that copper pyrazole reduces urease activity and lowers the levels of key genes involved in nitrogen cycling.
A new study by Iowa State University researchers finds that nearly half of soybean-related emissions come from the natural processes in soil, which can be mitigated through strategies like planting winter cover crops and adjusting planting schedules. These solutions have been found to reduce emissions by one-third while increasing yields.
Scientists have identified a crucial gene, StCDF1, that regulates both tuberization and nitrogen assimilation in potatoes. The discovery offers new insights into enhancing nitrogen utilization, allowing for breeding of climate-smart potato varieties less dependent on chemical fertilizers.
Researchers have found that blocking the protein StCDF1 in potatoes can improve plant performance in low-nitrogen environments. This could be a promising strategy for reducing potato needs of nitrogen fertilizers.
A new type of biochar pellet has been developed to remove phosphorus from farm drainage water, reducing pollution and costs. The pellets have a significantly higher phosphorus-binding capacity than traditional materials, making them an efficient solution for farmers seeking to reduce nutrient losses.
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.
Brazilian researchers are transforming Agave sisalana into a sustainable bioenergy source for the semi-arid climate region, requiring less water and fertilizer than sugarcane. The team has developed genetically modified yeasts to metabolize inulin and biostimulants to accelerate agave growth.
The LANDFEED project aims to develop advanced nutrient recovery technologies and innovative coatings for bio-based fertilisers to improve nutrient release and efficiency. This will reduce greenhouse gas emissions, lessen environmental impact on water resources, and contribute to improved soil health and sustainable agriculture.
Researchers at the University of Würzburg discovered that plants use an energy-saving mechanism to adapt their potassium uptake based on soil conditions. By building a pH gradient across cell membranes, plants can transport potassium into cells without expending energy.
Researchers found that new wheat cultivars achieve 16% higher yields under current climate conditions, but overall nitrogen needs will increase with global warming. The team recommends a systemic approach to food security, combining agricultural science, environmental aspects, and policy makers.
Researchers found that nitrogen applications had a limited impact on soybean yields, with no consistent benefit from single applications. However, a single application at planting showed increased yields in certain conditions, particularly in soils with low organic matter.
Researchers found that stored human urine had little impact on soil bacterial communities, increasing nitrifying and denitrifying groups compared to synthetic fertilizers. The study suggests that recycled urine could enhance agricultural sustainability, reduce wastewater pollution, and decrease reliance on synthetic fertilizers.
Researchers at RMIT University have developed a low-carbon approach to producing ammonia, which is used in fertilizers and as a carrier for hydrogen. The new method uses liquid metal catalysts, reducing energy consumption by 20% and carbon emissions by 98%. This could significantly reduce the environmental impact of agriculture and sup...
A recent study from the University of Illinois provides new insights into the sources and processes affecting nitrogen load in tile drainage water. The research team found a large legacy pool of nitrate in the soil, resulting in a time lag between when nitrogen is added to the system and when it is exported as nitrate in tile drainage.
Researchers found that nitrogen emissions from human activities cool the climate by minus 0.34 watts per square metre, but also cause harm to health, biodiversity, and the ozone layer. The study warns against increasing atmospheric nitrogen as a means of combating global warming.
Researchers discovered a new mechanism by which iron oxide minerals recycle phosphorus from DNA and RNA molecules, transforming them into bioavailable inorganic forms. This finding uncovers a missing piece of Earth's puzzling phosphorus cycle, highlighting the importance of understanding natural phosphorus recycling mechanisms.
A research team at Ruhr University Bochum has developed a catalyst that can convert ammonia into hydrogen and nitrite, producing both a clean energy carrier and a fertilizer precursor simultaneously. The process doubles the hydrogen yield while minimizing nitrogen production.
Researchers discovered that nodulation evolved in a two-step process, with the basic genetic toolkit developed first and then refined through multiple genetic mutations. This complex circuit breaker-like mechanism suggests that nodulation is not controlled by a single switch.
A new study suggests that using special fertilizers and crushed basalt rocks can reduce agricultural nitrous oxide emissions without harming the ozone layer. The research found a 25% reduction in N2O emissions, aligning with efforts to reach net-zero emissions while supporting increased food production.
Researchers found that combining aquaponic wastewaters with hydrothermal liquefaction aqueous phase (HTL-AP) solutions up to 8% can support plant growth without inhibiting germination. This alternative nutrient source has the potential to increase circularity in food production systems and reduce reliance on chemical fertilizers.
Researchers discovered zinc's crucial role in nitrogen fixation of legumes, optimizing crop efficiency and reducing synthetic fertilizer reliance. This finding could enhance nitrogen delivery, improve yields, and promote sustainable agricultural practices.
A new genetic regulator, known as Fixation Under Nitrate (FUN), has been identified in legume plants that reduces their ability to convert atmospheric nitrogen into usable nutrients. Removing the FUN gene allows legumes to fix nitrogen regardless of soil nitrate levels.
A new study by Johns Hopkins researchers identifies 92 compounds in biosolids that could pose potential risks to human health and the environment. The team screened 16 samples of biosolids from US and Canadian cities and found a range of contaminants, including pharmaceuticals and industrial chemicals.
A new study by RIKEN CSRS shows that biomass from purple photosynthetic marine bacterium Rhodovulum sulfidophilum is an excellent nitrogen fertilizer, effective as inorganic synthetic fertilizers but with lower environmental side effects. The biomass boosts plant growth without altering soil pH or salinity.
A study found that smallholder farmers in Tanzania used more fertilizer and had higher crop yields after an intervention, but the benefits did not last. The researchers attribute the lack of long-term adoption to liquidity constraints and structural factors such as fertilizer availability.
Human-caused nitrous oxide emissions accelerated globally, reaching a record high in 2022, with the agricultural sector accounting for 74% of emissions. The use of chemical fertilizers and animal manure is particularly significant contributors to this growth.
Researchers highlight strategies for improving agriculture with nanotechnology, including targeted delivery of pesticides and herbicides, and digital twin simulations. These approaches aim to reduce environmental pollution and increase crop resilience.
A new tool identifies toxic metals in mineral phosphate fertilizers worldwide, with higher levels found in US and Middle East fertilizers compared to China and India. Researchers use strontium isotopes to detect fertilizer impacts on soil and water resources.
Shifting excess nitrogen from rich countries to poor ones could increase crop production by 12%, with moderate/food insecure regions seeing significant gains in both fertilizer use and food output. Current levels of production could be maintained with only 53-68% of current nitrogen used through redistribution.
A new accounting method evaluates the impact of agricultural practices on nitrous oxide emissions, finding long-term no-till management and specific fertilizer types can effectively cut emissions. The study provides a more accurate estimate of N2O emissions than previous methods, enabling policymakers to make informed recommendations.
Researchers have discovered a greener way to produce ammonia, essential for fertilizers, by developing a new catalyst that works stably at relatively low temperatures. This breakthrough reduces the amount of energy needed to synthesize ammonia, making it an attractive alternative to fossil fuels.
A study published in Nature Food reveals that optimized phosphorus use can extend its stock for up to 531 years, reducing the demand by 3,000 kt annually. Currently, around 30-40% of farm soils have over-applications, mainly due to European and North American countries.
The study reveals that certain dyes can release more radicals than others, leading to increased energy efficiency and speed in photochemical reactions. By slowing down a reverse reaction, radicals are given more time to leave a solvent cage, resulting in up to ten times higher energy efficiency.
A new disinfection technology uses low-temperature plasma to sterilize nutrient solutions in hydroponic farming, reducing the need for chemical pesticides. This innovation promotes environmentally friendly crop cultivation and reduces greenhouse gas emissions.
A new study found that potassium deficiency is a significant threat to global food security, affecting 20% of agricultural soils worldwide. The researchers recommend six policies and practices to mitigate the issue, including better management of soil potassium and intergovernmental coordination.
Legume plants have a unique ability to interact with nitrogen-fixing bacteria, allowing them to thrive without external nitrogen. Researchers identified four essential phosphorylation sites on the SYMRK kinase that mediate this symbiotic relationship.
Dust storms enhance phytoplankton tolerance to thermal and pH changes, facilitating algae growth in mountain lakes. This experimental study highlights the impact of atmospheric dust on aquatic ecosystems.
Researchers created an AI-enabled model to help mitigate global ammonia emissions from agriculture. By optimizing fertilizer management, the model can effectively reduce emissions by up to 38%, with Asia having the highest potential for reduction.
A study by researchers at the University of Sydney and Stockholm University found that centralized social networks can lead to a culture of homogeneity, where innovative voices are crowded out and traditionalist practices prevail. This can have significant consequences for the environment and global food security.
Researchers found that microplastic particles are picked up by wind more easily than soil minerals, leading to underestimation of emissions. The study highlights an underappreciated way microplastics become airborne, affecting the environment and human health.
Researchers at Stockholm University have successfully studied the surface of iron and ruthenium catalysts during ammonia production, shedding light on the reaction mechanism. The findings open up possibilities for developing more efficient materials, which could contribute to a green transition in the chemical industry.
Researchers at UW-Madison have developed a new electrochemical method to extract ammonia and potassium from livestock manure, reducing pollution and producing valuable fertilizers. The technique shows promise in scaling up beyond proof-of-concept stage.
A laboratory test shows that silicon application stimulates olive plant growth and increases nutrient absorption, particularly potassium. Plants treated with silicon grew longer stems and more branches than those without the element.
Researchers have found that struvite, a recycled phosphorus fertilizer, can reduce nutrient leaching and maintain soybean yields compared to conventional fertilizers. The study showed that struvite can be a full substitute for traditional fertilizers in terms of yield benefits.
Scientists have identified two genes, GmMOT1.1 and GmMOT1.2, that control natural variation in molybdate uptake and transport in soybeans. These genes are involved in molybdenum uptake in the roots and root-to-shoot transport of molybdenum, leading to improved molybdenum utilization and soybean yield.
Researchers developed a metal-organic coating that protects bacterial cells from damage without impeding their growth or function. The coated bacteria improved the germination rate of various seeds by 150 percent, making it possible to deploy microbes as fertilizers for large-scale agricultural use.
A new analysis by Aalto University reveals that industrial agriculture is highly sensitive to shocks in agricultural inputs such as synthetic fertilizers and pesticides. The study models the impacts of these shocks on crop yields and food availability globally, identifying high-risk areas for the greatest yield losses.
Researchers have found that water temperatures between 20-25 degrees Celsius are at the greatest risk for developing dangerous levels of microcystin, a common algae-produced toxin. Climate change is expected to increase blue-green algae populations, posing serious health hazards and economic risks.
Researchers found that adding a social cost to carbon emissions leads to a significant reduction in fertilizer runoff, resulting in improved water quality and a decrease in the Gulf of Mexico's dead zone. The study suggests that implementing a carbon price can help meet the US commitment to the Paris Accord while improving water quality.
Research in Baltimore metropolitan area finds nitrogen-rich fertilizers on lawns contribute to algal blooms and deoxygenated waters. Many homeowners are unaware of the negative impact of their lawn care practices on local ecosystems.