Research found that handling African violets with gloved hands resulted in lower damage ratings and better plant quality. In contrast, plants brushed with bare hands to which lotion had been applied showed decreased plant size and quality. The study suggests that 'hands off' is the best approach for healthier African violet care.
Flemish researchers develop a groundbreaking technology for plant breeding by leveraging epigenetics to optimize energy metabolism. This method has shown significant improvements in rapeseed yields, with potential applications in various crops and reduced water and fertilizer requirements.
A team of researchers aims to create a new papaya variety with only hermaphrodite offspring, eliminating the need for costly and labor-intensive seed selection. This breakthrough could significantly improve papaya health while reducing fertilizer and water usage.
Phosphorus is a crucial element in agriculture, but its excessive use leads to massive eutrophication problems in water bodies worldwide. Dr. Curtis Richardson will discuss phosphorus biogeochemistry and its role in wetland functioning, highlighting the need for realistic management techniques.
A new study finds that a global biofuels program could result in twice as much carbon loss from displaced food crops and pastures as the CO2 emissions from land dedicated to biofuels production. Increased fertilizer use for biofuels production also causes significant nitrous oxide emissions, potentially surpassing CO2 emissions by 2100.
Researchers in the Baltimore Ecosystem Study found that urban grasslands retain a significant amount of nitrogen, with losses typically less than 40% of applied fertilizer. This surprising result suggests that these ecosystems have considerable capacity for nutrient retention, contrary to concerns about environmental impacts.
A study outlines a strategy for growing bioenergy while protecting wildlife habitats. The approach involves using perennial-dominated prairies as feedstocks to minimize harm to wildlife. Harvesting diverse prairie can avoid loss of wildlife habitat and high fertilizer runoff associated with corn ethanol cultivation.
Michigan State University researchers aim to help people sort out complex environmental problems in developing regions. They are testing a new survey method that taps recent insights from behavioral decision research to capture people's full willingness to make trade-offs.
A team of scientists is exploring the role of microbes in rice plants, which can affect crop yields and plant performance. They plan to analyze microbial associations using transcriptomic and metabolic profiling techniques.
Researchers found that urine-based fertilizer alone can produce four times more tomatoes than non-fertilized plants, while combining with wood ash reduces acidity in acidic soils. This innovative approach provides a low-cost and chemical-free method for increasing crop yields.
The Faidherbia acacia tree has the potential to revolutionize African farming by providing a free source of organic nitrogen, increasing crop yields, and improving soil health. Its unique growth habit and adaptability to various climates make it an ideal solution for reversing soil degradation and supporting farmers' livelihoods.
A new study using satellite images found that nearly half of the world's farmed landscapes include significant tree cover, exceeding 10% in over 1 billion hectares. This reveals a vital role of trees in agricultural production globally, providing benefits such as carbon sequestration and nutrition for people.
A University of Michigan study found that banning phosphorus-containing lawn fertilizers led to a significant decrease in phosphorus levels in the Huron River. Phosphorus levels dropped by an average of 28% after Ann Arbor adopted the ban, suggesting that ordinances can be effective in reducing pollution.
Scientists develop environmentally friendly process for producing biodiesel from chicken feather meal, generating up to 593 million gallons annually. The process also produces high-grade animal feed and nitrogen-rich fertilizer, reducing waste and increasing renewable energy production.
Researchers at UC Irvine have found that neural stem cells can rescue memory in mice with advanced Alzheimer's disease by secreting a protein called BDNF, which creates new neural connections. This study provides hope for a potential treatment for the leading cause of elderly dementia.
A study by Rhode Island Hospital researchers found a substantial link between increased levels of nitrates in the environment and food with increased deaths from diseases such as Alzheimer's, diabetes mellitus, and Parkinson's. The study suggests that reducing nitrate levels in fertilizer and water, detoxifying food and water, may help...
A Stanford University study reveals dramatic differences in fertilizer use between China and sub-Saharan Africa, with excessive use in China causing environmental harm while inadequate inputs in Africa lead to soil depletion. The report warns against a 'one-size-fits-all' approach to managing global food production.
A report by Rice University scientists warns that growing biofuels could harm the nation's water resources, degrading quality and affecting availability. The researchers suggest choosing drought-tolerant crops grown on minimal irrigation to balance energy needs with water conservation.
Researchers have detected vancomycin resistant enterococci (VRE) in Swedish sewage sludge, highlighting the potential for antibiotic resistance genes to spread through the food chain. The study emphasizes the need for more efficient treatment of sewage sludge to prevent the spread of antimicrobial resistance.
The American Academy of Pediatrics recommends annual private well testing for nitrate and microorganisms, particularly for infants under three months. Children are vulnerable to waterborne illnesses that can come from contaminated wells, and proper care is essential to prevent contamination.
Researchers used the MACRO model to simulate the transport of three PPCPs and a strongly sorbing dye, finding that non-equilibrium sorption in macropores significantly impacted solute transport. The updated version of the model showed better fits to measured data, but limitations were found in accounting for all relevant processes.
The study clarifies the chemical nature of the ISNT and its relationship to microbial growth. It finds that the test mainly detects bacterial amino sugars, suggesting this form of soil nitrogen is key to its effectiveness in predicting corn yield response.
A series of symposium papers explore AquaCrop and other agronomic models that estimate water use efficiency under varying conditions. The models were shown to adequately simulate WUE under well-watered conditions but tend to overestimate or underestimate WUE under water stress, limiting their usefulness for deficit irrigation scenarios.
Researchers at EMBL discovered Vtc4p as the protein responsible for producing polyphosphate chains in yeast, a process crucial for energy storage and other cellular functions. This finding has significant implications for agriculture, including improved crop production and fertilizer development.
Researchers found that soybean plants colonized with naturally occurring rhizobia had lower aphid densities than those with commercial or artificially fertilized plants. The plants produced the same level of nitrogen regardless of the type of rhizobia used, suggesting a potential tool for protecting plants from insect herbivory.
The project aims to create a Medicago HapMap, mapping the genetic variations in the legume to reveal which genome regions control symbiosis and other legume-specific traits. Legumes are a crucial source of dietary protein and environmentally-friendly fertilizer, providing millions of tons of nitrogen to plants.
A new study published in PNAS reveals that Trichodesmium separates its carbon and nitrogen fixation processes by time, with the process switching between the two every day. The stunning images obtained using advanced imaging technology show where the fixed nitrogen is stored within a cell and how it changes over time.
Researchers found that nitrous oxide production rates in small stream sediments are linked to nitrate availability. The study suggests that management efforts to reduce nitrous oxide production should focus on limiting nitrate transport to stream ecosystems.
A study in the Catskill Mountains reveals that certain tree species retain more nitrogen in their soils, reducing leaching losses. The research found that sugar maple trees are particularly susceptible to nitrogen leaching, while forests dominated by red oak and hemlock retain more nitrogen.
Researchers found biodegradable mulch films to be effective in controlling weeds and diseases in tomato crops, outperforming traditional plastic mulch in some aspects. However, more research is needed to fully break down the material and reduce costs.
A study found that tillage and nutrient management practices can affect soil carbon storage differently depending on the soil profile. When considering only the top 20 cm of soil, no-till treatments showed higher organic carbon stocks, but this effect was cancelled when accounting for deeper soil layers.
Scientists found that the mineral composition of these coatings can have a substantial effect on the retention of nitrate and sulfate. Understanding this mechanism is critical to protecting groundwater resources.
Researchers discovered that African forests are increasing in tree carbon stocks by an amount equal to the weight of a small car each year. This suggests that extra carbon dioxide in the atmosphere could be acting as fertilizer, but other factors like human occupation and past disturbance may also be at play.
Capillary mats provide automated irrigation, conserve water, and reduce labor needs, resulting in 71% less summer and 62% less winter water usage compared to overhead sprinklers. The study also found that plants on capillary mats required 62% less fertilizer due to higher substrate electrical conductivity.
Stanford researchers developed a computer simulation to predict the movement of fish farm waste in the ocean. The model, called SUNTANS, reveals that wastes can travel greater distances and in higher concentrations than previously assumed.
Researchers developed a new technique to monitor bacterial health in wastewater treatment facilities using sensor technology. The method, called self-referencing, senses minute changes in chemistry related to bacterial health and yields results immediately.
Researchers Jane Hill and Barbara Cade-Menun found that phytate concentration was high in manures but not retained in crop soils and sediments. The study concluded that phytate is most likely to be hydrolyzed in situ by microorganisms.
Unchecked global warming would lead to a dramatic expansion of low-oxygen areas in the ocean, affecting fisheries and ecosystems for thousands of years. The team's projections show that these oxygen minimum zones could expand much more still and invade the deep ocean.
The Nile Delta fishery has grown significantly due to the influx of nutrients from fertilizers and sewage discharges, with 60-100% of production supported by these sources. This unexpected expansion raises questions about the value of anthropogenic nutrient inputs to ecosystems.
A new, higher-yielding rice plant is being developed through a global consortium of scientists, which aims to increase yields by 50% while reducing fertilizer and water usage. The project has received a $11 million grant from the Bill & Melinda Gates Foundation and has the potential to benefit billions of poor people worldwide.
Researchers have confirmed that prairies' best soils retain organic carbon and nitrogen pools relatively constant under modern production methods. Most of the early decline occurred in top 50cm soil layers, with evidence of carbon and nitrogen movement to deeper layers.
The study found that removing corn residue can lower N fertilizer requirements, but careful management is still necessary to balance erosion risks and retain adequate residue. Researchers suggest alternative tillage systems like strip-till continuous corn as a viable option in certain environments.
Scientists from CNRS and University of Reading applied linked rainfall-runoff and Integrated Catchment Model of Nitrogen (INCA-N) models to simulate daily flow and nitrate dynamics in the Garonne watershed. The study found that 75% of the NO3-N river load came from arable farming in the lowlands.
A recent study found that adding human hair waste cubes to commercial growth medium can increase plant yields relative to untreated controls. However, results showed lower yields compared to inorganic fertilizers, suggesting hair waste should not be used as a single source for fast-growing crops like lettuce.
Michigan State University has licensed technology that enables plants to use atmospheric nitrogen, resulting in significant growth and yield improvements of up to 90 percent. The microbial fertilizers are cost-effective, environmentally friendly, and have been shown to increase plant resistance to disease.
A team of Princeton researchers found that molybdenum is crucial for controlling the biological conversion of nitrogen in tropical rainforests, supporting plant growth. The discovery has implications for global climate change policy, as it may limit the amount of carbon dioxide that tropical rainforests can absorb.
Ariel Anbar's research focuses on how changes in ocean element abundances influenced life, ecosystems, and evolution on Earth. He examines sedimentary rocks to infer past ocean compositions and investigates the role of essential nutrients like iron, sulfur, and copper.
A new microbe, discovered in the open ocean, lacks genes needed for photosynthesis, yet provides natural fertilizer to the oceans by fixing nitrogen. Its unique metabolism may have implications for understanding carbon and nitrogen cycles in ocean ecosystems.
A new study published in the Journal of Environmental Quality examines the health hazards of treated sewage sludge application to land. The risks of aerosol-borne infection for biosolids workers are generally low, at less than 1 or 2% per year.
A new study by Professor Grace Brush highlights the negative impact of fertilizer use on water quality and fish populations in Chesapeake Bay. The imbalanced nitrogen cycle has led to eutrophication, reducing oxygen concentrations and affecting aquatic life.
Researchers at Michigan State University are developing a cost-effective technology to turn animal waste into usable heat, electricity, and other valuable products. The Anaerobic Digestion Research and Education Center aims to provide scalable, modular systems for smaller farms to convert waste into resources.
Researchers at Purdue University propose a flexible approach to producing alternative fuels, hydrogen, and electricity from waste materials. The new process could supply up to 20% of transportation fuels in the US annually, reducing greenhouse gas emissions by over 50%.
A group of internationally recognized scientists urges the U.S. to adopt sustainable standards and practices for cellulosic biofuel production to minimize environmental harm. The experts emphasize the need for incentives to promote environmentally friendly growing practices among farmers.
A group of scientists is advocating for science-based policy in the emerging global biofuels industry to avoid costly mistakes and environmental regrets. Sustainable practices are crucial to mitigate problems associated with agriculture, including soil erosion and depletion, nitrogen fertilizer pollution, and biodiversity decline.
A US biofuels mandate may benefit energy needs but put environmental sustainability at risk, according to a recent article. The article emphasizes the need for research and sound policy to mitigate climate change while promoting sustainable production systems.
Researchers say shade-grown Latin American coffee farms can shield against climate change's ravages due to their biodiversity-boosting effects and ability to maintain a cool microclimate. This approach reduces peak temperatures and conserves water resources.
Researchers found that using nitrogen fertilizer on rye cover crops increased biomass output and made more nitrogen available to cotton. The study's findings suggest improving soil quality and nutrient management can enhance agricultural productivity.
A 110-year-old sustainable farming experiment demonstrates the effectiveness of winter legumes in producing non-irrigated cotton yields, comparable to those using nitrogen fertilizer. The study's findings have implications for long-term soil organic matter and crop yield management.
Researchers used NMR spectroscopy to analyze pea plant leaves under drought stress, revealing key metabolites that increase in response. The findings could lead to the development of pea varieties more resistant to water scarcity, affecting global food production.
Researchers found that site-specific nitrogen and seed density management strategies did not consistently increase profit, but may benefit in certain situations with high maize to nitrogen fertilizer price ratios. Fertilizer nitrogen use efficiency was high across all site-years.