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October 23, 2020

Top Headlines
 

Global Study Reveals Time Running out for Many Soils, but Conservation Measures Can Help

Researchers found more than 90 per cent of the conventionally farmed soils in their global study were thinning, and 16 per cent had lifespans of less ...

Warming Threat to Tropical Forests Risks Release of Carbon from Soil

Billions of tons of carbon dioxide risk being lost into the atmosphere due to tropical forest soils being significantly more sensitive to climate change than previously ...

Soil Animals Are Getting Smaller With Climate Change

The biomass of small animals that decompose plants in the soil and thus maintain its fertility is declining both as a result of climate change and over-intensive cultivation. To their surprise, ...

Plant Roots Increase Carbon Emission from Permafrost Soils

A key uncertainty in climate projections is the amount of carbon emitted by thawing permafrost in the Arctic. Plant roots in soil stimulate microbial decomposition, a mechanism called the priming ...
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Earlier Headlines
 

Cover Crop Mixtures Must Be 'Farm-Tuned' to Provide Maximum Ecosystem Services

Researchers, in a recent study, were surprised to learn that they could take the exact same number of seeds from the same plants, put them in agricultural fields across the Mid-Atlantic region and ...

Arctic Plants May Not Provide Predicted Carbon Sequestration Potential

The environmental benefits of taller, shrubbier tundra plants in the Arctic may be overstated, according to new ...

Hidden Source of Carbon Found at the Arctic Coast

A new study has shown evidence of undetected concentrations and flows of dissolved organic matter entering Arctic coastal waters coming from groundwater flows on top of frozen permafrost. This water ...

Comparisons of Organic and Conventional Agriculture Need to Be Better, Say Researchers

The environmental effects of agriculture and food are hotly debated. But the most widely used method of analysis often tends to overlook vital factors, such as biodiversity, soil quality, pesticide ...

Salmon Provide Nutrients to Alaskan Streambanks

Nutrient cycling of stream ecosystems dependent on portion of salmons' ...

Microbes Play Important Role in Soil's Nitrogen Cycle

But different microbes have distinct roles to play, and environmental factors influence ...

Plants Manipulate Their Soil Environment to Assure a Steady Supply of Nutrients

Dissolved carbon in soil can quench plants' ability to communicate with soil microbes, allowing plants to fine-tune their relationships with symbionts. Experiments show how synthetic biology ...

Star Fruit Could Be the New 'Star' of Florida Agriculture

Cover crops may increase sustainability of carambola ...

As a Way to Fight Climate Change, Not All Soils Are Created Equal

Soil scientists offer a newly nuanced understanding of different soil organic matter components that can be increased through varied management ...

Nematode Fumigants Have Very Low Long-Term Impact on Soil Health, Study Suggests

It started with curiosity. How does a fumigant, commonly used for nematode management in potato cropping systems, influence soil microbial communities? To explore this question, scientists used ...

Microbes in Warm Soils Released More Carbon Than Those in Cooler Soils

Simply by moving tropical soils down a mountainside into warmer environments, a team has discovered that much more CO2 may be released due to increased microbial activity as soils ...

Reduce, Reuse, Recycle: The Future of Phosphorus

When Hennig Brandt discovered the element phosphorus in 1669, it was a mistake. He was really looking for gold. But his mistake was a very important scientific discovery. What Brandt couldn't ...

Microplastics Stunt Growth of Worms

New research shows that the presence of microplastics can stunt the growth of earthworms, and even cause them to lose weight -- potentially having a serious impact on the soil ...

Compost Key to Sequestering Carbon in the Soil

In a 19-year study, scientists dug roughly 6 feet down to compare soil carbon changes in different cropping systems. They found that compost is a key to storing carbon, a strategy for offsetting ...

Hard-Working Termites Crucial to Forest, Wetland Ecosystems

Soil bedding increases microbial and termite decomposition ...

Cover Crops, Compost and Carbon

A new study compares techniques in organic farming that influence soil ...

Soil Pore Structure Is Key to Carbon Storage

Scientists have recently discovered a new mechanism determining how carbon is stored in soils that could improve the climate resilience of cropping systems and also reduce their carbon ...

Scientists Unearth Green Treasure -- Albeit Rusty -- In the Soil

New research helps explain how iron in the soil may unlock naturally occurring phosphorus bound in organic matter, which can be used in fertilizer, so that one day farmers may be able to reduce the ...

Verifying 'Organic' Foods

Organic foods are increasingly popular -- and pricey. Organic fruits and vegetables are grown without synthetic pesticides, and because of that, they are often perceived to be more healthful than ...

Organic Animal Farms Benefit Birds Nesting in Agricultural Environments

Environmental subsidies for agriculture awarded by the European Union aim to improve biodiversity in agricultural environments. A recently completed Finnish study indicates that the proximity of ...

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