Science

Features

Prior to installation of a saturated riparian buffer. After the installation, the field on the left will include a strip of prairie plants between the field and the stream. Photo by Lynn Betts, USDA-NRCS.

Proper design of saturated riparian buffers critical to nitrate removal effectiveness

August 14, 2021

A collaboration of scientists and the general public led to a study that looked at the risk of exposure to heavy metals that children face in preschool gardens and play areas. Photo by Robert H. Pos/USFWS.

Gold mines and gardenroots

August 10, 2021

John Nergenah of Illinois enrolled in the Nori carbon removal marketplace through his adoption of cover crops. Photo courtesy of John Nergenah.

Offsets, insets, carbon markets

August 10, 2021

Science briefs

Hannah Livuza uses the reflectometer to estimate soil carbon. Photo by Regis Chikowo.

Affordably estimating soil carbon for Sustainable management in sub-saharan Africa

August 10, 2021

University of California–Davis research associate Samantha Hilborn and Ph.D. student Oon-ha Shin make selections for broad genetic resistant to downy mildew in spinach. Photo by Allison Krill-Brown.

An anchored chromosome-scale genome assembly of spinach

August 10, 2021

Co-author Shawn Lucas gathers information on the soil carbon status of a field by analyzing permanganate oxidizable soil carbon. Modern handheld spectrophotometers make this rapid and practical method easy to incorporate into field assessment kits. Photo by Jonathan Palmer.

Labile carbon testing predicts soil function responses to management

August 10, 2021

Graduate student Binaya Parajuli analyzing active carbon concentrations in soil extracts. Photo by Pratima Poudel.

Long-term tillage induced differential C and N responses

August 10, 2021

A typical soil moisture station in the Fort Cobb region of Oklahoma, operated by the USDA. Photo by Michael Cosh.

A nationwide effort to monitor soil moisture

August 10, 2021

Investigating allelic variation across Canadian bread wheat germplasm can explain why cultivars are genetically differentiated and predict how the current distribution of allelic variation will affect future genetic progress. Photo courtesy of Flickr/Marilylle Soveran.

Pedigree, recombination, and selection shape Canadian bread wheat diversity

August 10, 2021

Location of sites where soil organic C data were compiled and compared within the conterminous U.S. for the Soil Health Assessment Protocol Evaluation development. Data are from the Comprehensive Assessment of Soil Health (CASH) Lab, USDA-NRCS Kellogg Soil Survey Lab (NRCS), and published peer-reviewed articles (Published).

SHAPE: An improved soil health interpretation tool

August 4, 2021

Webinar: The High Cost of Inefficient Nitrogen

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