Related topics: soil

Dead zones in Gulf caused, in part, by farm drainage

(PhysOrg.com) -- The tile drainage systems in upper Mississippi farmlands -- from southwest Minnesota to across Iowa, Illinois, Indiana and Ohio -- are the biggest contributors of nitrogen runoff into the Gulf of Mexico, ...

Landfill cover soil methane oxidation underestimated

Landfilled waste decomposes in the absence of oxygen and results in the production of methane. Landfills are classified as the second-largest human-made source of CH4 in the U.S. Additionally, landfill gas contains numerous ...

Nitrate stimulates greenhouse gas production in small streams

Nitrous oxide is a potent greenhouse gas that has been accumulating in the atmosphere since the industrial revolution. It is well known that fertilizer can stimulate nitrous oxide production in soils, but less is known about ...

Benefits of biosolids spread across decades of research

For more than four decades, biosolids have been applied to land and studied by researchers for many useful purposes. Biosolids are a product of the wastewater treatment process. Yes, that means sewage. However, the sewage ...

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