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Title: Putting the soil health principles to the test in Iowa

Journal Article · · Soil Science Society of America Journal
DOI: https://doi.org/10.1002/saj2.20761 · OSTI ID:2448389

One of the most popular soil conservation campaigns is based on the USDA Natural Resource Conservation Service's Soil Health Principles (NRCS-SHPs). The NRCS-SHP program identifies four principles—maximize presence of living roots, minimize disturbance, maximize soil cover, and maximize biodiversity—with the underlying assumption that the more principles one follows, the greater improvements in soil health. Despite the popularity of the NRCS-SHPs, this underlying assumption has not been rigorously tested. To do so, we used nine long-term experiments all located in central Iowa, but with varying degree of NRCS-SHP adoption, to determine if greater adoption increases three slow-changing (maximum water holding capacity, bulk density [BD], and soil organic carbon) and three dynamic (microbial biomass carbon [MBC], potentially mineralizable carbon [PMC], and permanganate oxidizable carbon [POXC]) soil health indicators. We regressed these indicators with a soil health principle score that can scale soil management based on adoption of the NRCS-SHPs. Of the slow-changing soil properties, increased adoption of NRCS-SHPs only decreased soil BD (R2 = 0.22, p = 0.024). On the other hand, increased adoption of NRCS-SHPs strongly predicted increases in both MBC and PMC and across two sampling dates (R2 > 0.23, p < 0.015); POXC, however, did not increase with greater adoption. The consistent increases in MBC and PMC with greater adoption of NRCS-SHPs supports their usefulness as sensitive indicators of positive soil health change. Our study provides scientific evidence to support the NRCS-SHPs concept, improving its usefulness as an extension campaign, and stands as a step toward evidence-based soil conservation.

Research Organization:
Center for Advanced Bioenergy and Bioproducts Innovation (CABBI), Urbana, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0018420
OSTI ID:
2448389
Journal Information:
Soil Science Society of America Journal, Journal Name: Soil Science Society of America Journal Journal Issue: 6 Vol. 88; ISSN 0361-5995
Publisher:
Alliance of Crop, Soil, and Environmental Science SocietiesCopyright Statement
Country of Publication:
United States
Language:
English

References (75)

Evolution of the Soil Health Movement book July 2021
Soil health changes following transition from an annual cropping to perennial management‐intensive grazing agroecosystem journal January 2021
Combination of biological and chemical soil tests best predict maize nitrogen response journal February 2020
Introducing the North American project to evaluate soil health measurements journal May 2020
Evaluating cool‐season grass species as potential perennial groundcover for maize production journal June 2022
Assessment of USDA‐NRCS rangeland conservation programs: recommendation for an evidence‐based conservation platform journal November 2016
Management of cover crops in temperate climates influences soil organic carbon stocks: a meta‐analysis journal March 2021
Quantifying soil carbon change in a long‐term tillage and crop rotation study across Iowa landscapes journal January 2020
Soil health recovery after grassland reestablishment on cropland: The effects of time and topographic position journal March 2020
Relating four‐day soil respiration to corn nitrogen fertilizer needs across 49 U.S. Midwest fields journal July 2020
Cover crop impacts on soil physical properties: A review journal September 2020
Do soil health tests match farmer experience? Assessing biological, physical, and chemical indicators in the Upper Midwest United States journal April 2021
Intensification of no‐till agricultural systems: An opportunity for carbon sequestration journal August 2021
Selecting soil hydraulic properties as indicators of soil health: Measurement response to management and site characteristics journal July 2022
Multi-year and Multi-site Establishment of the Perennial Biomass Crop Miscanthus × giganteus Using a Staggered Start Design to Elucidate N Response journal May 2019
Soil Health and Sustainability book January 1996
Soil carbon and nitrogen changes as influenced by tillage and cropping systems in some Iowa soils journal March 2005
Controls over soil microbial biomass responses to carbon amendments in agricultural systems: A meta-analysis journal November 2011
Carbon sequestration in agricultural soils via cultivation of cover crops – A meta-analysis journal February 2015
The response of soil physical quality parameters to a perennial grain crop journal February 2023
Evaluation of the CO2 flush as a soil health indicator journal October 2020
Assessing biological soil health through decomposition of inexpensive household items journal December 2021
Corn and soil response to biochar application and stover harvest journal February 2016
Effects of long-term organic and mineral fertilizers on bulk density and penetration resistance in semi-arid Mediterranean soil conditions journal December 2010
Linking soils to ecosystem services — A global review journal January 2016
Long-term effects of conventional and reduced tillage on soil structure, soil ecological and soil hydraulic properties journal December 2018
Assessing the sensitivity and repeatability of permanganate oxidizable carbon as a soil health metric: An interlab comparison across soils journal May 2020
Cover cropping enhances soil microbial biomass and affects microbial community structure: A meta-analysis journal January 2021
Potential carbon mineralization assays are confounded by different soil drying temperatures journal September 2023
Meta-analysis approach to assess effect of tillage on microbial biomass and enzyme activities journal June 2016
Conservation agriculture practices increase soil microbial biomass carbon and nitrogen in agricultural soils: A global meta-analysis journal June 2018
Do cover crops benefit soil microbiome? A meta-analysis of current research journal March 2020
A minimum suite of soil health indicators for North American agriculture journal March 2023
Erosional impact on organic matter content and productivity of selected Iowa soils journal April 2005
Soil quality response to long-term tillage and crop rotation practices journal October 2013
Farmer perceptions of soil quality and their relationship to management-sensitive soil parameters journal December 2007
Recent Rapid Increase of Cover Crop Adoption Across the U.S. Midwest Detected by Fusing Multi‐Source Satellite Data journal November 2022
Soil erosion and agricultural sustainability journal August 2007
Soil carbon debt of 12,000 years of human land use journal August 2017
Persistent soil carbon enhanced in Mollisols by well-managed grasslands but not annual grain or dairy forage cropping systems journal February 2022
Estimating active carbon for soil quality assessment: A simplified method for laboratory and field use journal March 2003
Comparison of Low-Cost Methods for Soil Water Holding Capacity journal August 2022
A Simple, Affordable, Do-It-Yourself Method for Measuring Soil Maximum Water Holding Capacity journal December 2023
External Costs of Agricultural Production in the United States journal January 2004
Comprehensive impacts of diversified cropping on soil health and sustainability journal January 2022
Soil health in agricultural systems journal September 2007
Environmental Externalities from Agriculture: Evidence from Water Quality in the United States journal September 2020
Microbes drive global soil nitrogen mineralization and availability journal January 2019
How to measure, report and verify soil carbon change to realize the potential of soil carbon sequestration for atmospheric greenhouse gas removal journal October 2019
Trade-offs among agronomic, energetic, and environmental performance characteristics of corn and prairie bioenergy cropping systems journal January 2014
Mechanisms of soil carbon accrual and storage in bioenergy cropping systems journal March 2014
Soil net nitrogen mineralization and leaching under Miscanthus  ×  giganteus and Zea mays journal July 2021
Money for Nothing? A Call for Empirical Evaluation of Biodiversity Conservation Investments journal April 2006
Organic farming enhances soil microbial abundance and activity—A meta-analysis and meta-regression journal July 2017
What We Talk about When We Talk about Soil Health journal January 2018
Tillage and Crop Rotation Effects on Corn Agronomic Response and Economic Return at Seven Iowa Locations journal July 2015
Agroecosystem Performance during Transition to Certified Organic Grain Production journal September 2004
Agronomic and Economic Performance Characteristics of Conventional and Low‐External‐Input Cropping Systems in the Central Corn Belt journal May 2008
Short- and Long-Term Labile Soil Carbon and Nitrogen Dynamics Reflect Management and Predict Corn Agronomic Performance journal January 2013
Soil Organic Carbon Storage under Biofuel Cropping Systems in a Humid, Continental Climate journal September 2018
Nitrate-Nitrogen Losses through Subsurface Drainage under Various Agricultural Land Covers journal September 2011
Total Carbon, Organic Carbon, and Organic Matter book January 1996
Saturated Zones and Soil Morphology in a Mollisol Catena of Central Iowa journal September 1994
Acid fumigation of soils to remove carbonates prior to total organic carbon or CARBON-13 isotopic analysis journal January 2001
Soil Organic Carbon Sequestration Rates by Tillage and Crop Rotation journal January 2002
Assessing the Reliability of Permanganate-Oxidizable Carbon as an Index of Soil Labile Carbon journal May 2004
Permanganate Oxidizable Carbon Reflects a Processed Soil Fraction that is Sensitive to Management journal January 2012
Rye Cover Crop Effects on Soil Quality in No-Till Corn Silage-Soybean Cropping Systems journal May 2014
Comparison of Permanganate-Oxidizable Carbon and Mineralizable Carbon for Assessment of Organic Matter Stabilization and Mineralization journal September 2016
Sources of Variability that Compromise Mineralizable Carbon as a Soil Health Indicator journal January 2018
Soil-Test Biological Activity with the Flush of CO2: I. C and N Characteristics of Soils in Corn Production journal May 2018
Soil-Test Biological Activity with the Flush of CO2: III. Corn Yield Responses to Applied Nitrogen journal May 2018
Cover crop adoption in Iowa: The role of perceived practice characteristics journal November 2015
Evaluation of the Haney Soil Health Tool for corn nitrogen recommendations across eight Midwest states journal January 2018
Soil Health Assessment and Management: Recent Development in Science and Practices journal October 2021