Research comparing site-specific nutrient management approaches to existing farmer fertilization practices shows SSNM improves average rice yield by 644 kg/ha, increases profitability, and reduces N losses. SSNM also promotes better nutrient balance and considers micronutrients like zinc and iron.
A new study reveals that balancing iron and phosphorus levels is crucial to prevent chlorosis, a condition associated with yellowing leaves. The research team found that removing phosphorus can help restore photosynthesis, highlighting the need for more environmentally friendly agricultural practices.
A study by FAU Harbor Branch reveals that even properly functioning septic systems contribute to nitrogen pollution in the Indian River Lagoon. Groundwater samples showed higher dissolved nutrient concentrations than surface waters, indicating contaminated groundwater as a major source of nutrient loading.
A NASA-led study tracks changes in atmospheric ammonia concentrations in Africa from 2008 to 2018, revealing rises and falls in ammonia emissions linked to agricultural activities. The research highlights the need for sustainable agriculture practices to mitigate the impact of growing populations on food security.
Scientists at Tokyo Institute of Technology have developed an environmentally friendly process to chemically recycle bio-based plastics into fertilizers. The process, which uses ammonia to break down the plastics, produces nitrogen-rich molecules that can be used as fertilizer, showing promising results in plant growth experiments.
A new study maps global cropland nitrous oxide emissions and finds that reducing fertilizer application over 20% of the world's croplands could achieve 65% of global mitigation potential. The research identifies hotspots of high emissions in humid subtropical regions, where climate and soil characteristics play a significant role.
Agricultural runoff from fertilizer is converted into nitrous oxide (N2O), a potent greenhouse gas, in rivers and streams. Researchers found that denitrification efficiency and streambed conditions significantly impact N2O emissions, offering potential avenues for reducing climate change.
A new study using machine learning uncovers 'genes of importance' in plants that help them grow more efficiently with less fertilizer, reducing economic and environmental costs. The approach also predicts additional traits in plants and disease outcomes in animals.
ORNL is increasing its efforts to reduce greenhouse gas emissions from the US agricultural sector through science-based changes in practices. The lab has discovered a single gene that can make crops more drought-tolerant and productive, while also pulling CO2 from the atmosphere.
Scientists at the University of Bonn and IPK discover that plants use signaling molecule InsP8 as a proxy for overall phosphate status. ITPK1 enzyme plays a key role in this process, regulating phosphate sensing and mobilization. The findings have far-reaching consequences for sustainable crop production.
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 new study introduces a wild-grass chromosome segment that inhibits nitrification, reducing fertilizer use and nitrous oxide emissions in wheat crops. The technology has the potential to increase yields and grain quality in both well-fertilized and nitrogen-poor soils.
Researchers at Cornell University have discovered a way to transform cow manure into a manageable, ecologically friendly biochar fertilizer through pyrolysis. This process reduces water content from 90% to zero, alleviating environmental issues and saving farmers money.
A new study characterizes human urine-derived nutrients for sustainable agriculture, revealing three supply-demand typologies across the globe. Countries with co-located supply-demand, like India and Uganda, can reuse nutrients locally, while dislocated countries, such as the US and Australia, need concentrated fertilizer production.
A new study suggests that growing stinkweed as a crop could produce cleaner jet fuel with fewer environmental impacts than other biofuels. The study found that stinkweed requires less fertilizer and pesticides, resulting in lower carbon dioxide emissions and air pollution.
A team of researchers has identified a gene called ZmCIPK15 that regulates the angle of root growth in corn, leading to improved nitrogen capture. This discovery could support breeding of crops with deeper roots to enhance food security, particularly in regions where nutrient deficiencies are prevalent.
A new paper synthesizes results from nearly thirty researchers on nitrogen management in agriculture, identifying areas for improvement and providing a foundation for sustainable nitrogen management. The study's findings have significant implications for addressing food security and environmental pollution challenges.
A new method for producing urea, a critical fertilizer element, has been developed by researchers at the University of Texas at Austin. The process uses electrocatalysis and reduces energy consumption compared to traditional methods.
The article highlights the significant impact of nitrous oxide on the ozone layer and climate change. Chemical companies are now developing efficient technologies to reduce N2O emissions, including catalyst-based processes that can decrease emissions by up to 90%. The industry is also exploring alternative uses for captured N2O emissions.
A study finds that cropland redistribution to marginal lands undermines environmental sustainability, increasing wind erosion, irrigation water consumption, fertilizer use, and decreasing natural habitats. The study suggests restricting land reclamation and boosting crop yields for both food security and environmental benefits.
A green transition roadmap for emissions-reducing technologies could achieve net negative emissions through optimized fertilizer application, low-emission alternatives, and system redesign. This plan aims to generate environmental benefits while fulfilling societal functions in row crop agriculture.
Researchers developed county-level nitrogen application datasets for corn, improving the accuracy of greenhouse gas calculations. The new approach found excess nitrogen application in most US corn-producing counties, particularly in the Midwest and Northern Plains.
Researchers develop a novel aquaponics treatment system inspired by sewage plants that breaks down fish sludge and turns nutrients from fish waste into an effective fertilizer for plants. The system successfully delivers nutrients to plants in the form of a liquid fertilizer, improving plant growth and reducing waste.
A study published in PLOS Biology suggests that mixed farming methods could eliminate agricultural greenhouse gas emissions in the US if established across high-quality cropland. The methods reduce synthetic fertilizer use and increase protein production while reducing beef consumption by 20%.
Researchers found that US agriculture contributes to 15,900 annual deaths due to poor air quality, mainly from ammonia emissions. Improving livestock manure management and using fertilizer additives can reduce mortality from poor air quality by consuming more plant-based foods.
A novel matrix-based slow-release urea was developed to improve nitrogen use efficiency in rice production, reducing nitrogen loss and increasing soil nitrogen availability. The new fertilizer showed significant agronomic nitrogen efficiency gains and improved rice yields.
A team of scientists has identified a protein called SYFO1, which plays a crucial role in the initial contact between legume roots and symbiotic bacteria. The protein causes root hairs to change direction, allowing them to wrap around bacteria and form beneficial relationships.
A study by Penn State researchers suggests that dairy farmers can reduce nitrous oxide emissions from corn crops by applying manure after planting and using organic nitrogen amendments. The results show that this approach can lower total nitrogen application and mitigate climate change, while also protecting water quality.
A new study shows that incorporating legumes into traditional crop rotations can significantly reduce environmental impacts while increasing nutritional value for humans and livestock. Legumes are a sustainable source of nitrogen, enriching the soil with essential nutrients and providing protein, fiber, and vitamins.
Researchers from the University of Córdoba found that foliar application is an efficient strategy to increase zinc content in plants by up to 50%. This method was more effective than soil application and can be beneficial for growers in developing countries where diets are limited to vegetable products grown in low-nutrient soils.
Researchers have discovered a fungus that can improve nutrient uptake and yield in ketchup tomatoes, reducing the need for chemical fertilizers. The fungus, Ceriporia lacerata, enhances enzyme activity in soil and increases sugar-acid ratio, vitamin C content, and flavor in tomatoes.
A new study found that decades of corn breeding led to a degradation of sustainable nitrogen-fixing microbes in the soil, contributing to increased greenhouse gas emissions. The researchers recreated the history of corn breeding from 1949 to 1986 and found modern corn varieties recruit fewer beneficial microbes than earlier varieties.
Researchers at University of British Columbia discovered a simple polymer additive can cut agricultural pollution in half by improving fertilizer stickiness. The study found that combining fertilizers with a miniscule amount of polyethylene oxide nearly eliminated environmental loss, reducing percentage from 30 to just five.
Researchers aim to understand and analyze the interconnectedness of these life-sustaining systems by investigating how nitrogen flows through agricultural production systems. The goal is to improve nitrogen-use efficiency and address challenges such as water scarcity and energy demands.
Researchers at RUDN University have developed a biopolymer filter that captures phosphates and nitrates from wastewater using microalgae, making it a potential sustainable fertilizer. The filter is made of chitosan-based polymer and shows high efficiency in consuming nutrients.
A two-year study in Brazil found that fertilizing a grass cover crop with potassium improved cotton fiber quality, leading to higher market value. The technique also reduced production cost by optimizing operational logistics and conserving water.
Excessive fertilizer use is costing US corn farmers billions of dollars every year, with one-third of applied fertilizer compensating for ongoing soil fertility loss. The true cost of fertilizer use goes beyond economic costs, also impacting the environment and freshwater ecosystems.
A CABBI study shows energy sorghum behaves more like perennial miscanthus in its efficient use of water and light to produce abundant biomass. Energy sorghum has higher nitrogen emissions than maize but can be managed with careful fertilizer, offering a middle-road crop solution.
Researchers found a key gene, OsTCP19, that helps rice adapt to low soil nitrogen levels. By introducing this gene into modern cultivars, farmers can improve crop yields while reducing fertilizer use, leading to more sustainable agricultural practices.
A new analysis of global data reveals that fertilizer pollution in streams and rivers can lead to increased growth across the food web, including algae, insects, and fish. The study suggests regulators should expand their view beyond algal responses to reduce nutrient runoff.
A University of Michigan-led study finds that urine diversion and recycling can significantly reduce greenhouse gas emissions, energy use, freshwater consumption, and the potential for algal blooms. The method also has lower environmental impacts than conventional wastewater treatment and fertilizer production methods.
Researchers at Tokyo University of Science devise a new electrochemical technology to manufacture ammonia-based fertilizer from urea, addressing the problem of food production in closed environments. The study aims to provide a solid basis for sustaining long-term stay in extremely closed spaces such as space stations.
Farmers in Tanzania misuse fertilizers at low rates due to misconceptions about quality. A study found that appearance affects their willingness to buy, with poor-looking products commanding lower prices. The researchers interviewed farmers and recorded transactions to analyze the impact of physical appearance on fertilizer purchases.
TPU scientists have developed an eco-friendly hydrogel for agriculture that retains moisture and fertilizers in soil, degrading into non-toxic products. The new formulation uses natural components like whey protein and alginic acid, reducing the need for freshwater conservation and minimizing fertilizer's harmful effects on the soil.
Researchers at Shinshu University successfully cultivated AM fungi independently using myristate as a fuel source. The breakthrough could lead to the development of sustainable fertilizers for agriculture and forestry, reducing reliance on chemical fertilizers.
Researchers studied attine ants and their fungal crops, finding that the ants' ability to target specific nutritional needs evolves as they develop more advanced farming practices. The findings suggest that humans can learn from nature's agricultural systems, which prioritize nutritional sustainability over industrial-scale production.
Research finds that glyphosate residue in manure fertilizer inhibits the growth of strawberry and meadow fescue plants, despite reduced soil concentrations. The study also reveals indirect effects, such as increased herbivorous insects on larger strawberries.
Researchers uncover the production of nitric oxide by methane-eating microbes when they co-metabolize ammonia, a process previously thought to be toxic. This finding has significant implications for understanding the survival and growth of methanotrophs in environments with increasing fertilizer input.
Researchers at the University of Nottingham have discovered a plant protein that controls mineral and water uptake, leading to improved stress tolerance and reduced fertilizer use. This breakthrough has the potential to increase crop yields and food security, particularly for subsistence farmers.
A new study found that the yellow mealworm shows promise as a good, sustainable food source due to its high protein content and versatility. The research also identified potential uses for the insect's waste as organic fertilizer.
Interplanting native tree species like rosewood and amarillo with teak in Central America's nutrient-poor soils improves soil health, increases water management, and boosts biodiversity. These findings suggest a more sustainable approach to reforestation and may protect the Panama Canal from flooding and drought.
Research suggests that fertilizer and pesticide applications on croplands are the largest source of sulfur in the environment, exceeding peak levels seen during acid rain days. This increase poses risks to mercury levels, soil degradation, and asthma rates in agricultural areas.
A new study reveals that fertilizer and pesticide applications on croplands are now the primary source of sulfur emissions, outpacing fossil fuel emissions. This increase in sulfur use has detrimental effects on agricultural soils and downstream waters, similar to acid rain.
Researchers used a Skoltech supercomputer to perform sensitivity analysis on soil parameters for crop yield prediction. They found that certain input factors, such as fertilizer usage, significantly impacted crop yields.
Seabirds produce guano that serves as a fertilizer and contributes significantly to coastal and marine ecosystems. The researchers estimated the value of guano production at around $473 million per year, with nutrients deposited by seabirds worth an additional $1 billion annually.
Researchers argue that one-sided narratives shape the dichotomy between state-led and market-led approaches to promote agricultural development. A combination of state-led initiatives, donor-funded or market-led approaches, and input subsidy programs can work if there is evidence-based policy learning between both camps.
Researchers found that GPS-guided tractors can reduce overlap and gaps in field coverage by up to 6% and 16%, respectively, leading to increased crop production and environmental benefits. This technology has the potential to be adopted by small farms, which currently lag behind larger producers in terms of technology adoption.
The Reutivar App aims to optimize fertilizer and water application in olive orchards, reducing waste and environmental impact. By using reclaimed water with macronutrient content, farmers can control fertilizing calendars and reduce nitrogen use, promoting a more sustainable approach to irrigation.
Researchers investigated potassium fertilization effects on pears in a long history of fertilizer use to establish critical levels. Higher K doses resulted in lower ethylene production and respiration rates, extending storage life.
A team of researchers has discovered a way to create a nitrogen-rich fertilizer using human waste, which could increase agriculture yields in developing countries and reduce groundwater contamination. The new method involves recycling nitrogen from urine through a process involving biochar and CO2 priming.