[Total: 0 Average: 0/5] You must sign in to vote Justin Van Zee, USDA-ARS Soils Biologist and Asombro Institute for Science Education Board President, explains the NRCS soil effervescence assessment to determine the carbonate content of the soil profile. This video was taken at the BioBlitz event at the Chihuahuan Desert Nature Park on September 19, 2015. Thank you, Justin! Video Rating: / 5
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