Science briefs

Advances in gene-editing technologies are accelerating the genetic improvement of polyploid crops. Image by David May.

Progress and Prospects of Targeted Mutagenesis in Polyploid Crops

October 3, 2023

Researchers conducted an outdoor column study to compare the behavior of bromide in arable topsoil to control columns contain- ing sand and fine gravel. Photo by GEUS/Christian Albers.

Bromide Tracer Is Not Inert When Used in Topsoil

October 2, 2023

An Integrative Genome Database of Traditional Chinese Medicine Plants

September 11, 2023

First author Miguel Salceda-Gonzalez flushes a well before collecting a groundwater sample. Photo by Gisselle Vargas-Hernandez.

Trees and Grasses Reduce More Groundwater Nitrogen Than Just Grasses

September 8, 2023

Few-shot learning allows machines to learn from a relatively small number of images, expanding the range of practical applications. Image courtesy of Jianqiang Sun.

A More Practical Machine-Learning Technique for Recognizing Plant Diseases

September 6, 2023

The above images illustrate precision agriculture in action. Left: A drone image of a field in north Florida. Right: A map of weeds gen- erated by an artificial intelligence algorithm that supports weed management in that same field. Using these tools to identify un- desirable plants for precision herbicide spraying saves labor and costs. Images by University of Florida–NFREC, Marianna.

Precision Management for Grazinglands

September 5, 2023

Lead author and Brooklyn College of the City University of New York graduate student Nirmela Govinda samples constructed urban wetlands in Newtown Creek, a Superfund site in New York City. Photo by Sarah Durand.

Constructed Salt Marshes Provide Important Services in New York City

September 4, 2023

Key processes for six classes of recharge estimation methods. Image by GSI Environmental Inc.

A Better Way to Estimate Groundwater Recharge for Quantifying PFAS

September 1, 2023

An unmanned aerial vehicle flies over a maize field in Aurora, NY, part of an experiment conducted through the Genomes-to-Fields Initiative. Photo by Nicholas Morales.

Novel Approach to Large- Scale Crop Modeling

August 7, 2023

Left: Bottles containing subsurface drainage water samples. Inset shows a top-down view of the inside of the auto-sampler used to collect water samples. Right: Giovani Preza-Fontes, who worked on the study as a doctoral student at the University of Illinois Urbana-Champaign, takes greenhouse gas samples from the field. Photos by Giovani Preza-Fontes.

System-Level Approach Needed to Reduce Nitrogen Pollution

August 6, 2023

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