Soil Health Institute’s Post

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SHI Research Soil Scientist Dr. Dianna Bagnall presented her poster, “Image-Based Estimation of Aggregate Stability Using the Slakes Family of Tools,” at the ASA, CSSA, SSSA 2024 Bouyoucos Summer Conference in Puerto Rico. Aggregate stability, one of the most common indicators of soil health, is now easier to measure using SHI’s Slakes app. Dr. Bagnall’s poster describes the selection of the Slakes method, the current use of the method, and two approaches to using Slakes – the smartphone app and the SlakeItEasy R package. Slakes uses a smartphone camera to take a picture of three dry soil aggregates before and after exposing them to water for ten minutes, then automatically calculates an aggregate stability value. In regional soil health surveys across the U.S. and Canada, Slakes has revealed mean increases in aggregate stability of 10-20% due to tillage reductions and/or cover cropping. The #Slakes app helps scientists and land managers assess the impacts of management decisions on soil health. Have you used SHI’s Slakes app yet? If you have, share your results with us in the comments! #SSSAConf

  • SHI Research Soil Scientist Dr. Dianna Bagnall presents her poster at the SSSA 2024 Bouyoucos Summer Conference in Puerto Rico.
David Barre

ISA Certified Arborist

1mo

I’ve always used the Emerson soil aggregate stability test. Is this a similar framework? Widely used in Australian soils due to the often inherent saline and/or sodic properties.

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