The type of organic matter, and ratio of nutrients to carbon, impact the ability of heterotrophic bacteria to effectively remove certain forms of nitrogen pollution (nitrate) from streams.
fertilizer
Posted inOpinions
How Soil Symbionts Could Unlock Climate-Smart Agriculture
By tracing the evolutionary history of beneficial soil microbes, scientists hope to unearth a sustainable solution for producing food to feed a growing global population.
Posted inEditors' Highlights
Sulfur is Demanding its Place in Crop Nutrient Budgeting
Scientists advocate for a more significant consideration of sulfur from a multidisciplinary perspective as a necessary step towards sustainable crop management.
Posted inEditors' Vox
Earth’s Critical Zone Remains a Mystery Without its People
Achieving the UN Sustainable Development Goals may only be possible if human activities are central to critical zone science.
Posted inNews
Wetlands on the Farm: Potent, Nutrient-Capturing Tools in (Relatively) Small Packages
Constructed wetlands can significantly reduce water pollution from tile-drained farms.
Posted inNews
Traditional Fertilizers Beat Out Industrial Chemicals in Soil Health Test
New research in western India found that fertilizer based on Traditional Ecological Knowledge made soil more fertile in a head-to-head test with industrial fertilizers.
Posted inResearch Spotlights
Cyanobacteria Blooms Exceed WHO Thresholds in Midwest Lakes
A study of 369 lakes across the Midwest finds that many of them, especially those close to agriculture, have high concentrations of harmful algal bloom-causing cyanobacteria.
Posted inNews
Scientists Call for Policies to Buffer Agricultural Runoff
By reviewing 44 studies, researchers make a scientific case for regulating agricultural pollution of streams and rivers by implementing conservation practices, including riparian buffer zones.
Posted inNews
Lake Erie Sediments: All Dredged Up with Nowhere to Grow
Agriculture is a key contributor to the algae mats that plague Lake Erie. With so many fertilizers entering the lake, could sediment from the lake floor be used to grow crops instead?
Posted inNews
Index Suggests That Half of Nitrogen Applied to Crops Is Lost
Food production is becoming less efficient at using nitrogen fertilizer, according to a review of global values. Excess nitrogen damages the environment and the climate.