Researchers found that multiple measurement techniques are needed to accurately measure calcium content in serpentine soils. A combination of X-ray diffraction, electron microscopy, and elemental analysis is necessary to identify and quantify calcium.
The Gaza Strip's drinking water has been found to contain high levels of nitrate, posing a significant risk to infant health. The contamination is primarily attributed to the use of manure and wastewater in farming practices.
Experts warn of catastrophic ocean extinction unless drastic measures are taken to reverse the damage caused by human exploitation, pollution and climate change. The consequences include the collapse of edible species, toxic algal blooms and increased disease outbreaks.
Swine waste fertilizer can be improved by altering phosphorus levels in the diet, resulting in slower phosphorus accumulation in soil. This approach reduces excess nutrients that can pollute the environment.
Researchers found that increasing sensor grid size from .5 square meters to 5.1 square meters has no significant impact on precision management outcomes. This larger grid requires fewer sensors and makes fertilizer application easier and more cost-efficient for farmers.
Scientists found that tree canopy levels affect nitrogen fixation rates in feather mosses, regulating forest productivity and carbon consumption. High nitrogen deposition from pollution reduces moss nitrogen fixation rates.
Research reveals that forest canopies influence nitrogen fixation rates by controlling the amount of nitrogen deposited on mosses. High canopy nitrogen levels reduce nitrogen fixation, while low levels increase it.
A team of scientists found that human-caused nitrogen compounds entering the ocean may remove up to 10% of carbon dioxide from the atmosphere. However, this gain is offset by the release of nitrous oxide, a powerful greenhouse gas.
Researchers found that diversified, low-external-input farming systems can achieve high crop yields and profitability while reducing synthetic fertilizer and herbicide use. The study's results suggest that large reductions in agrichemical use are compatible with high crop yields and profits.
A new study has found a marine bacterium, AW4, that can accelerate the composting process of polluted seaweed, making it a promising method for disposing of toxic wakame waste in oceans. The discovery could provide an effective means of recycling organic substances and reducing pollution.
Researchers have found that silver nanoparticles destroy benign bacteria used to remove ammonia from wastewater treatment systems. The presence of these particles can hinder the reproduction activity of good bacteria, potentially harming soil and food crops.
Researchers from the University of Texas at Austin have discovered a new source for biofuels in cyanobacteria, which can be grown on non-agricultural lands using salty water. The microbe produces cellulose and sugars that can be converted into ethanol, offering a potential alternative to traditional sources such as corn and sugarcane.
Using a systems biology approach, researchers identified that the master gene controlling the biological clock is sensitive to nutrient status in Arabidopsis. The study provides evidence that plant nutrition affects circadian functions, linking nutrient regulation to biological clock control.
A research team led by Walter Dodds found that microorganisms in small streams filter out nitrogen, reducing its entry into larger rivers and oceans. The study, published in Nature, suggests that preserving small streams' natural filtration process is crucial for maintaining water quality.
Streams are effective nitrogen filters, but their capacity to remove pollutants is limited by high loading rates. Researchers used a tracer to track nitrate additions in 72 streams across the US and Puerto Rico.
A UBC study warns that US corn-based ethanol production will increase nitrogen levels in the Mississippi River, harming the Gulf of Mexico's 'Dead Zone'. The researchers estimate a 10-19% increase in nitrogen loading, exceeding recommended limits and overwhelming mitigation options.
A study of Lake Bloomington, a major source of drinking water for central Illinois residents, reveals high nitrate concentrations exceeding safe levels. The research aims to inform producers on nitrogen fertilizer management in sensitive watershed areas.
A Yale study finds that predators, rather than plants, determine the type and abundance of herbivores and carnivores in an ecosystem. The research shows how spider hunting modes affect grasshopper behavior, promoting habitat diversity but also depleting nitrogen in the soil.
A new global map tracks human influences on marine ecosystems, revealing that coral reefs are in trouble and few blue spots on the planet are pristine. The study suggests that about 41% of oceans bear a serious human footprint, with areas like the North Sea and Caribbean Sea showing deepest impacts.
A new study has mapped the extent of human impact on global oceans, revealing that over 40% of the world's oceans are severely affected. The study highlights the most heavily impacted regions, including coral reefs and seagrass beds, which house a vast majority of marine life.
A study by UC Irvine ecologists finds that excess nitrogen in tropical forests increases plant growth by an average of 20 percent. This boost in plant growth suggests the tropics will take in more carbon dioxide than previously thought.
Researchers from Université de Montréal and Cary Institute found that commercial fishing plays a declining role in removing man-made nitrogen from coastal waters. Nitrogen-rich fertilizer run-off has increased nitrogen levels in coastal ecosystems, causing excessive plant growth, lack of oxygen, and reduced fish populations.
Commercial fisheries play a crucial role in removing terrestrial nitrogen from coastal waters, but their contribution has decreased significantly over time. As a result, the global nitrogen balance is becoming increasingly skewed, leading to eutrophication and other environmental problems.
A University of Cincinnati researcher, Dionysios Dionysiou, received a $698,689 EPA grant to investigate processes used to purify drinking water and remove cyanobacterial toxins. The research aims to develop cost-efficient technologies to treat water contaminated by such toxins.
The Government of Bangladesh plans to expand the use of urea deep placement (UDP) technology on 1 million hectares of rice land, expected to boost dry season rice production by 548,000 tons. This technology cuts nitrogen losses significantly, allowing farmers to increase yields by 25% while using less than 50% as much urea as before.
A $13 million AGRA grant establishes agro-dealer networks in Kenya, Malawi, and Tanzania to provide rural farmers with affordable farm supplies, training, and financing. This initiative aims to increase smallholder incomes by 30%, reduce travel distances, and decrease input prices.
In northwest India, a study found that applying site-specific nutrient management (SSNM) increased average rice grain yields by 17% compared to traditional farming practices. The approach also led to improved nitrogen and phosphorus use efficiency, with profits rising about 14%.
Researchers have found that less carbon is transported to deep water during natural plankton blooms than during the rest of the year, suggesting the Biological Pump leaks. This discovery challenges ocean fertilization schemes, which ignore natural processes and may not remove as much carbon dioxide from the atmosphere.
University of Illinois researchers successfully simulated every step of the photosynthetic process using a computer model that mimics evolution. The new findings suggest that by rearranging the investment of nitrogen, they can almost double efficiency in plants. This could lead to increased crop yields and improved plant productivity.
Researchers have found that peanut husks can extract up to 95% of copper ions from waste water, while pine sawdust achieves only 44% extraction. The process works best at slightly acidic conditions, making it a promising solution for reducing toxic copper levels in natural resources
Research by University of Illinois soil scientists found that nitrogen fertilizers lead to a decline in soil organic carbon, even after decades of use. The study's findings have troubling implications for corn production and highlight the need for site-specific soil testing to optimize fertilizer rates.
Researchers at the University of Illinois have discovered that tropical maize can produce up to 25% sugar in its stalks, making it a promising alternative to corn for biofuel production. This could result in significant energy savings per acre and reduced nitrogen fertilizer costs.
The Great Plains' stability is threatened by demographic shifts, environmental degradation, and economic pressures. Despite increased crop productivity, the region faces challenges such as soil erosion, high nitrate runoff, and declining aquifers.
A team of researchers led by Darrell Taulbee has created a new type of fertilizer that reduces the explosive potential of ammonium nitrate, a key ingredient in homemade bombs. By coating AN pellets with coal ash, they achieve a blast much less violent, without eliminating its initiating power.
A study funded by Cargill Crop Nutrition found that varying nitrogen application rates can increase corn yield with similar or higher nitrogen rates, but may not improve grain quality. Researchers also discovered that one hybrid performed better than the other under both uniform and varied nitrogen applications.
Researchers explore potential for enhanced nutrient cycling through coupling of agricultural and bioenergy systems to improve sustainability of biomass production. The study reports that up to 78% of nitrogen fertilizer could be recovered from an integrated biological and thermochemical process.
Researchers at Virginia Tech have developed a transportable pyrolysis unit to convert poultry litter into three value-added byproducts: bio-oil, producer gas, and fertilizer. The process reduces waste disposal concerns and biosecurity risks, while producing high-quality bio-oils with potential economic benefits.
Researchers explore 'tipping points' in agriculture, highlighting the need to understand regime shifts to sustain ecosystem functions. The symposium identifies potential tipping points related to water and agriculture that could have major global consequences.
A US EPA study found that wider vegetated borders around streams are the most effective way to protect wetlands from nitrogen pollution. The study showed that wide buffers (>50 meters) removed more nitrogen than narrow buffers (0-25 meters), and that herbaceous and forest vegetation were more effective when wider.
A study by University of Minnesota researchers found that alternative cropping systems reduced nitrate levels in surface and ground water by 41-62% compared to conventional farming practices. Increasing cropping system biodiversity can improve water quality.
A team of researchers has discovered a new plant-bacterial symbiotic mechanism that allows certain leguminous plants to fix nitrogen more efficiently. This finding has significant implications for agriculture, particularly in tropical countries, and could lead to increased crop yields while reducing fertilizer use.
A Cornell University research project has found that on-farm trials have shown farmers can successfully reduce fertilizer applications without impacting yield and quality. By monitoring soil nitrogen levels, corn growers can optimize their application rates, resulting in cost savings of up to $10-$12 per acre.
The University of Colorado at Boulder has developed a high-tech leaf sensor that can measure water deficiency and communicate with computers wirelessly. This technology could enable crops to provide information to farmers about when they need water, reducing excessive water use and energy consumption.
A recent study found that pesticides block a key receptor in soil bacteria, disrupting natural nitrogen-fixing communications. This results in lower crop yields or significantly delayed growth. The research highlights the importance of preserving natural symbiotic relationships between crops and soil bacteria.
Researchers found that modifying irrigation and waste treatment practices, along with providing medicine and pesticide, can reduce the spread of schistosomiasis. These changes include lining irrigation ditches with concrete to eliminate snail habitats and using biogas digesters to destroy Schistosoma eggs.
Researchers found that alternative soil fertility management and reduced tillage increased sorghum crop yield in eastern Uganda. Local farmers participated in on-farm trials to evaluate the effectiveness of low-cost alternatives, including mucuna fallow, cowpea rotation, and manure application.
Regenerative agriculture involves reduced inorganic fertilizer use, increased on-farm energy generation, and more human labor. This approach may also reduce overcropping and groundwater contamination.
Researchers have developed a rapid test that accurately predicts nitrogen levels in corn soil, enabling growers to optimize fertilizer use. This test has the potential to reduce economic and environmental costs associated with excessive nitrogen application.
Zimbabwean smallholder farmers in semi-arid regions face food shortages due to limited fertilizer use. Research by Bongani Ncube found that nitrogen availability is the key factor improving cereal yields. Crop rotation also showed promise, with leguminous crops doubling sorghum yields.
A UC Irvine scientist has discovered that excess nutrients in an ecosystem can lead to a decrease in plant species diversity while increasing the productivity of a few selected species. This finding provides a new explanation for why polluted ecosystems often contain limited numbers of plant species.
Researchers describe a unified description of electron movements through certain proteins, uncovering key pathways that optimize energy harvesting in photosynthesis and animal cells. The study reveals complex routing options that allow electrons to take shortcuts, increasing the challenge for theoreticians.
Researchers found evidence of leech-borne transmission of a fungus-like organism infecting newts' muscles, which may affect their ability to reproduce. The infection is not fatal but can impact newt populations. Human activities, such as fertilizer use in wetlands, could lead to increased leech abundance and disease spread.
A Rutgers-Camden research team, led by Heike Bücking, aims to develop a better understanding of the nutrient exchange processes between fungi and agricultural environments. The project seeks to promote the use of mycorrhizal fungi as biofertilizers to reduce fertilizer pollution and improve agricultural sustainability.
Researchers apply slag to wheat growing in greenhouses, causing plants to grow spiky structures that repel rabbits, reducing grazing damage. The environmentally friendly method uses a plentiful byproduct of blast furnaces and could circumvent pesticide regulatory approval.
A new approach to locating and removing water contaminants such as perchlorate and nitrates has been discovered. Researchers found that anion-pi interaction, a type of molecular binding, occurs off-center in solid-state structures, which could lead to the development of sensors for anion detection.
Research reveals two isoforms of glutamine synthetase determine major yield components in maize: kernel size and number. Nitrogen retranslocation dominates grain filling, improving nitrogen use efficiency and yields with reduced fertilizer inputs.
Researchers witness steps in biological nitrogen fixation process, enabling microbes to convert atmospheric nitrogen to nutrients. The study suggests the biological process does not follow the same pathway as the chemical method.
A five-year study will examine the causes of the dead zone in Lake Erie, focusing on excess phosphorous, zebra mussels, and global warming. Researchers aim to detect the cause and prevent further spread before affecting the fishery and tourism industries.
The Laccaria genome sequence will provide critical insights into the symbiotic relationship between trees and fungi, enabling faster-growing trees with enhanced biomass production. The study highlights the importance of mycorrhizal fungi in terrestrial ecosystems and their potential to mitigate climate change.
A comprehensive study reveals that soybean biodiesel produces more energy than is needed to produce it, while corn grain ethanol requires less but still has significant environmental drawbacks