Science briefs

Freshly sampled soils from across the farm. There was significant variability in soil texture and composition across the four management ecosystems, and even within each management system’s 3 spatial zones. Photo courtesy of Woods End Laboratories, LLC.

More consistent sampling and analysis of farm soil organic carbon needed for accurate test results

July 9, 2025

Composting spent coffee grounds that were used in the 70-day incubation. Photo by Amanda Birnbaum.

Spent coffee grounds in sustainable agriculture

June 12, 2025

Wild pig (Sus scrofa) alongside a headwater stream in an Alabama wetland, captured on a game camera. Photo by Elizabeth A. Bradley.

Stream pathogenic bacteria levels rebound after wild pig control ends

June 12, 2025

Top: The Newport River (pictured here) was the tidal freshwater system studied in this research. Bottom: Concentrations of reactive nitrogen were measured upstream and downstream of a wastewater treatment facility. Precipitation and tidal influence affected nitrogen pollution patterns in an estuarine tidal creek. Images by Anne Margaret Smiley.

Water quality patterns and processes differ in two tidal systems

June 12, 2025

An artificial turf field (white rectangle, center). Image courtesy of Marco Schiavon.

How removing turf affects residential land surface temperature in Southern California

June 12, 2025

(I) A micro-profiling system with an O2 microsensor; (II) A: large pore soil material, B: small pore soil material; and (III) calculated rates of volumetric O2 by microbes before and after 38 days incubation. Image by Poulamee Chakraborty, GLBRC, Michigan State University.

Microbial oxygen consumption is influenced by soil pore structure

June 12, 2025

A diagram showing thermo-time domain reflectometry (TDR) sensors placed for critical zone soil measurements. Image by Yili Lu, China Agricultural University.

Probing dynamic soil properties with thermo-time domain reflectometry sensors

May 15, 2025

Ph.D. researcher Katie Allen alongside a lettuce that was grown in human poop compost. Photo by Katie Allen.

‘Humanure’ is effective compost for lettuce growth

May 15, 2025

Two undergraduate technicians from the University of Florida collect groundwater leachate samples below a residential lawn in Gainesville, FL. The photo shows one student measuring the volume of leachate collected and preparing to filter a sub-sample for dissolved nutrients, while the other student maintains the pump and records data. Photo by Alexander J. Reisinger.

How lawn care affects groundwater pollution

May 15, 2025

This study found that cotton planted under high density responded faster to fluctuating light conditions. Photo courtesy of Zhangying Lei.

Optimizing stomatal traits to enhance biomass under fluctuating light

May 15, 2025

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