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United States Department of Agriculture

Agricultural Research Service

Sharon Lachnicht Weyers
Soil Management Research
Research Soil Scientist

Phone: (320) 589-3411 ext. 146
Fax: (320) 589-3787
Room 110
803 IOWA AVENUE
MORRIS, MN, 56267

Projects
Making Ecosystem Services Pay for Diversified Land-Uses in Agricultural Watersheds
General Cooperative Agreement (A)
  Accession Number: 424518
ADVANCING SUSTAINABLE AND RESILIENT CROPPING SYSTEMS FOR THE SHORT GROWING SEASONS AND COLD, WET SOILS OF THE UPPER MIDWEST
Appropriated (D)
  Accession Number: 419456
Strategies to improve profitability of organic dairy herds in the upper Midwest
Reimbursable (R)
  Accession Number: 423869
MAKING ECOSYSTEM SERVICES PAY FOR DIVERSIFIED LAND-USES IN AGRICULTURAL WATERSHEDS
Reimbursable (R)
  Accession Number: 424028

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Biochar aging reduces earthworm avoidance - (Abstract Only)
Weyers, S.L., Spokas, K.A., Gaskin, J., Collins, H.P., Cantrell, K.B. 2014. Biochar aging reduces earthworm avoidance [abstract]. The 10th International Symposium on Earthworm Ecology. p. 120.
Crop residue decomposition in Minnesota biochar-amended plots - (Peer Reviewed Journal)
Weyers, S.L., Spokas, K.A. 2014. Crop residue decomposition in Minnesota biochar-amended plots. Solid Earth. 5:499-507.
Development of sustainable, native grass-based bioenergy production systems in the prairie region of Minnesota: Soil nutrient response to fertilizer and harvest treatments - (Abstract Only)
Weyers, S.L., Kuchenreuther, M.A., Wilts, A.R. 2013. Development of sustainable, native grass-based bioenergy production systems in the prairie region of Minnesota: Soil nutrient response to fertilizer and harvest treatments [abstract]. Ecological Society of America. Available: http://eco.confex.com/eco/2013/webprogram/Paper43898.html.
Development of sustainable, native grass-based bioenergy production systems in the prairie region of Minnesota: Biomass production and plant community response to fertilizer and harvest treatments - (Abstract Only)
Kuchenreuther, M.A., Ranelli, L.B., Toll, A.E., Weyers, S.L. 2013. Development of sustainable, native grass-based bioenergy production systems in the prairie region of Minnesota: Biomass production and plant community response to fertilizer and harvest treatments [abstract]. Ecological Society of America. Available: http://eco.confex.com/eco/2013/webprogram/Paper43510.html.
Assessment of multiple management systems in the Upper Midwest Reprint Icon - (Peer Reviewed Journal)
Weyers, S.L., Johnson, J.M., Archer, D.W. 2013. Assessment of multiple management systems in the Upper Midwest. Agronomy Journal. 105:1665-1675.
Nitrous oxide, methane emission, and yield-scaled emission from organically and conventionally managed systems Reprint Icon - (Peer Reviewed Journal)
Johnson, J.M., Weyers, S.L., Archer, D.W., Barbour, N.W. 2012. Nitrous oxide, methane emission, and yield-scaled emission from organically and conventionally managed systems. Soil Science Society of America Journal. 76:1347-1357.
Soil quality changes with organic no-till production - (Abstract Only)
Weyers, S.L., Cambardella, C.A. 2011. Soil quality changes with organic no-till production [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX.
Greenhouse gas emission from two cropping systems in the northern Corn Belt - (Abstract Only)
Johnson, J.M., Weyers, S.L., Archer, D.W., Barbour, N.W. 2011. Greenhouse gas emission from two cropping systems in the northern Corn Belt [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX.
Impact of biochar on earthworm populations: A review - (Peer Reviewed Journal)
Weyers, S.L., Spokas, K.A. 2011. Impact of biochar on earthworm populations: A review. Applied and Environmental Soil Science. DOI: 10.1155/2011/541592.
Do mitigation strategies reduce global warming potential in the northern U.S. Corn Belt? - (Peer Reviewed Journal)
Johnson, J.M., Archer, D.W., Weyers, S.L., Barbour, N.W. 2011. Do mitigation strategies reduce global warming potential in the northern U.S. Corn Belt? Journal of Environmental Quality. 40:1551-1559.
Statistical modeling of yield and variance instability in conventional and organic cropping systems - (Peer Reviewed Journal)
Jaradat, A.A., Weyers, S.L. 2011. Statistical modeling of yield and variance instability in conventional and organic cropping systems. Agronomy Journal. 103(3):673-684.
The Effects of Two Different Biochars on Earthworm Survival and Microbial Carbon Levels - (Proceedings)
Liesch, M., Weyers, S.L., Gaskin, J., Das, K.C. 2010. The Effects of Two Different Biochars on Earthworm Survival and Microbial Carbon Levels. In: Gilkes, R.J., Prakongkep, N., editors. Proceedings of the 19th World Congress of Soil Science: Soil Solutions for a Changing World, August 1-6, 2010, Brisbane, Australia. p. 67-70.
Earthworms, Microbes and the Release of C and N in Biochar Amended Soil - (Abstract Only)
Weyers, S.L., Gaskin, J., Liesch, A.M., Das, K.C. 2010. Earthworms, Microbes and the Release of C and N in Biochar Amended Soil [abstract]. In: Proceedings of the 2010 U.S. Biochar Initiative Conference, June 27-30, 2010, Ames, Iowa. Available: http://www.biorenew.iastate.edu/fileadmin/www.biorenew.iastate.edu/biochar2010/Presentations/Weyers_USBI_2010.pdf
Impact of Two Different Biochars on Earthworm Growth and Survival Reprint Icon - (Peer Reviewed Journal)
Liesch, A.M., Weyers, S.L., Gaskin, J.C., Das, K.C. 2010. Impact of Two Different Biochars on Earthworm Growth and Survival. Annals of Environmental Science. 4:1-9.
Earthworms Contribute to Increased Turnover in Biochar Amended Soils - (Abstract Only)
Weyers, S.L., Liesch, A.M., Gaskin, J.W., Das, K.C. 2009. Earthworms Contribute to Increased Turnover in Biochar Amended Soils [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 1-5, 2009, Pittsburgh, PA.
Soil management implications of producing biofuel feedstock - (Book / Chapter)
Johnson, J.M., Archer, D.W., Karlen, D.L., Weyers, S.L., Wilhelm, W.W. 2011. Soil management implications of producing biofuel feedstock. In: Hatfield, J. and Sauer, T., editors. Soil Management: Building a Stable Base for Agriculture. Madison, WI: American Society of Agronomy Special Publication. American Society of Agronomy and Soil Science Society of America. p. 371-390.
Soil Processes and Residue Harvest Management Reprint Icon - (Book / Chapter)
Johnson, J.M., Papiernik, S.K., Mikha, M.M., Spokas, K.A., Tomer, M.D., Weyers, S.L. 2009. Soil Processes and Residue Harvest Management. In: Lal, R., Stewart, B.A., editors. Soil Quality and Biofuel Production. Advances in Soil Science. Boca Raton, FL: CRC Press. p. 1-44.
Microbial biomass and nutrient dynamics in transitional systems in Minnesota - (Abstract Only)
Weyers, S.L., Archer, D.W., Johnson, J.M., Jaradat, A.A. 2008. Microbial biomass and nutrient dynamics in transitional systems in Minnesota [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Oct. 5-9, 2008, Houston, TX.
N mineralization and microbial dynamics in manured and non-manured fields - (Abstract Only)
Weyers, S.L., Reicosky, D.C., Ochsner, T.E., Baker, J.M. 2008. N mineralization and microbial dynamics in manured and non-manured fields [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Oct. 5-9, 2008, Houston, TX.
Energy and Carbon Budgets in Transitional Cropping Systems in Minnesota - (Abstract Only)
Archer, D.W., Weyers, S.L. 2008. ENERGY AND CARBON BUDGETS IN TRANSITIONAL CROPPING SYSTEMS IN MINNESOTA. Agronomy Abstracts.
Determinants and Prediction of Carbon/Nitrogen Ratio in Five Diverse Crop Plants Reprint Icon - (Peer Reviewed Journal)
Jaradat, A.A., Johnson, J.M., Weyers, S.L., Barbour, N.W. 2009. Determinants and Prediction of Carbon/Nitrogen Ratio in Five Diverse Crop Plants. Communications in Soil Science and Plant Analysis. 40:2688-2711.
Sustainable biomass removal rates - (Abstract Only)
Johnson, J.M., Weyers, S.L., Reicosky, D.C. 2008. Sustainable biomass removal rates [abstract] [CD-ROM]. Midwest Area Bioenergy Research Forum Meeting Abstracts. Midwest Area Bioenergy Research Forum. July 18, 2008, Peoria, IL.
Construction of an electrical device for sampling earthworm populations in the field Reprint Icon - (Peer Reviewed Journal)
Lachnicht Weyers, S.L., Schomberg, H.H., Hendrix, P.F., Spokas, K.A., Endale, D.M. 2008. Construction of an electrical device for sampling earthworm populations in the field. Applied Engineering in Agriculture. 24(3):391-397.
Comparison of methods to determine carbon and nitrogen in soil extractions - (Abstract Only)
Lachnicht Weyers, S.L., Wilts, A.R. 2007. Comparison of methods to determine carbon and nitrogen in soil extractions [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA.
Dynamics of crop residue composition-decomposition: Temporal modeling of multivariate carbon sources and processes [abstract] - (Abstract Only)
Jaradat, A.A., Johnson, J.M., Lachnicht Weyers, S.L., Barbour, N.W. 2007. Dynamics of crop residue composition-decomposition: Temporal modeling of multivariate carbon sources and processes [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA.
Liquid manure injection and tillage effects on carbon dioxide and water fluxes using eddy covariance techniques - (Abstract Only)
Reicosky, D.C., Baker, J.M., Ochsner, T.E., Lachnicht Weyers, S.L. 2007. Liquid manure injection and tillage effects on carbon dioxide and water fluxes using eddy covariance techniques [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA.
Agricultural opportunities to mitigate greenhouse gas emissions Reprint Icon - (Peer Reviewed Journal)
Johnson, J.M., Franzluebbers, A.J., Lachnicht Weyers, S.L., Reicosky, D.C. 2007. Agricultural Opportunities to Mitigate Greenhouse Gas Emissions. Environmental Pollution. 150:107-124.
Cover Crop Effect on Soil Carbon Fractions under Conservation Tillage Cotton Reprint Icon - (Peer Reviewed Journal)
Sainju, U.M., Schomberg, H.H., Singh, B.P., Whitehead, W.F., Tillman, P.G., Lachnicht Weyers, S.L. 2007. Cover crop effect on soil carbon fractions under conservation tillage cotton. Soil and Tillage Research. 96(2):205–218.
Crop productivity and economics during the transition to alternative cropping systems Reprint Icon - (Peer Reviewed Journal)
Archer, D.W., Jaradat, A.A., Johnson, J.M., Lachnicht Weyers, S.L., Gesch, R.W., Forcella, F., Kludze, H.K. 2007. Crop Productivity and Economics during the Transition to Alternative Cropping Systems. Agronomy Journal. 99:1538-1547.
Mid-continent fall temperatures at the 10-cm soil depth Reprint Icon - (Peer Reviewed Journal)
Forcella, F., Lachnicht Weyers, S.L. 2007. Mid-continent Fall Temperatures at the 10-cm Soil Depth. Agronomy Journal. 99:862-866.
Tracking N Use Efficiency with 15n Labeling of Corn Reprint Icon - (Abstract Only)
Lachnicht Weyers, S.L., Johnson, J.M., Olness, A.E., Clapp, C.E., Wilts, A.R., Rinke, J.L., Barbour, N.W. 2006. Tracking N use efficiency with 15N labeling of corn [abstract][CD-ROM] ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 12-16, 2006, Indianapolis, IN.
Cover crops and sampling date effect on on-farm soil carbon pools under conservation tillage cotton - (Abstract Only)
Sainju, U.M., Schomberg, H.H., Singh, B.P., Whitehead, W.F., Tillman, P.G., Lachnicht Weyers, S.L. 2006. Cover crops and sampling date effect on on-farm soil carbon pools under conservation tillage cotton. American Society of Agronomy Meetings. Paper No. 54-4. Page 51.
Chemical Composition of Crop Biomass Impacts Its Decomposition Reprint Icon - (Peer Reviewed Journal)
Johnson, J.M., Barbour, N.W., Lachnicht Weyers, S.L. 2007. Chemical Composition of Crop Biomass Impacts Its Decomposition. Soil Science Society of America Journal. 71(1):155-162.
Microbial Dynamics in Conventional and Organic Managed Systems - (Abstract Only)
Lachnicht Weyers, S.L., Archer, D.W., Johnson, J.M., Wilts, A.R., Barbour, N.W., Eklund, J.J. 2005. Microbial dynamics in conventional and organic managed systems [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 6-10, 2005, Salt Lake City, UT.
Policy and Management Responses to Earthworm Invasions in North America Reprint Icon - (Peer Reviewed Journal)
Callaham, Jr., M.A., Gonzalez, G., Hale, C.M., Heneghan, L., Lachnicht Weyers, S.L., Zou, X. 2006. Policy and management responses to earthworm invasions in North America. Biological Invasions. 8:1317-1329.
Invasion of Exotic Earthworms into Ecosystems Inhabited by Native Earthworms - (Peer Reviewed Journal)
Hendrix, P., Baker, G., Callaham, Jr., M., Damoff, G., Fragoso, C., Gonzalzez, G., James, S., Lachnicht Weyers, S.L., Winsome, T., Zou, X.M. 2006. Invasion of exotic earthworms into ecosystems inhabited by native earthworms. Biological Invasions. 8:1287-1300.
Use of Fame to Distinguish Management Effects in Conventional and Organic Farming Systems - (Abstract Only)
Lachnicht, S.L., Archer, D.W., Johnson, J., Wilts, A., Barbour, N., Eklund, J. 2005. Use of FAME to distinguish management effects in conventional and organic farming systems [abstract]. Soil Ecology Society. p. 63.
Multidisciplinary Approach to Enhancing Sustainability in Cotton Production in the Southeastern Usa - (Abstract Only)
Schomberg, H.H., Tillman, P.G., Lachnicht Weyers, S.L., Timper, P., Olson, D.M., Sainju, U.M., Phatak, S., Whitehead, W., Singh, B. 2005. Multidisciplinary approach to enhancing sustainability in cotton production in the southeastern USA [abstract]. The ASA-CSSA-SSSA International Annual Meetings, November 6-10, 2005, Salt Lake City, Utah. CDROM.
Enhancing Sustainability in Cotton Production Through Reduced Chemical Inputs, Cover Crops, and Conservation Tillage - (Other)
Schomberg, H.H., Tillman, G., Timper, P., Lachnicht Weyers, S.L., Olson, D.M., Sainju, U.M., Phatak, S., Lamb, M.C., Whitehead, W., Utley, S. 2005. Enhancing sustainability in cotton production through reduced chemical inputs, cover crops, and conservation tillage. Final Project Report LSO1-121 to the Sustainable Agriculture Research and Education (SARE) program. http://www.sare.org/reporting/report_viewer.asp?pn=LSO1-121&ry=2004&rf=1.
Soil Microarthropod Community Change under Conservation Management Practices - (Abstract Only)
Lachnicht Weyers, S.L., Schomberg, H.H., Tillman, P.G. 2004. Soil microarthropod community change under conservation management practices [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, October 31-November 4, 2004, Madison, Wisconsin. 2004 CDROM.
Comparison of Soil Biological Indicators During Three Year Transition from Conventional to Alternative and Organic Cropping Systems - (Abstract Only)
Johnson, J.M., Archer, D.W., Lachnicht Weyers, S.L., Barbour, N.W., Eklund, J.J., Wilts, A.R. 2004. Comparison of soil biological indicators during three year transition from conventional to alternative and organic cropping systems [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, Wisconsin.
Cover Crop Influences on N Mineralization in a Piedmont Soil - (Abstract Only)
Schomberg, H.H., Endale, D.M., Calegari, A., Cabrera, M., Peixoto, R., Maza, M., Lachnicht Weyers, S.L., Sharpe, R.R. 2004. Cover crop influences on N mineralization in a piedmont soil [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meetings. 31 October - 4 November 2004, Seattle, Washington. p. 292. CDROM.
Winter Decomposition of Transgenic Cotton Residue in Conventional-Till and No-Till Systems on the Georgia Piedmont, Usa - (Peer Reviewed Journal)
Lachnicht Weyers, S.L., Hendrix, P.F., Potter, R.L., Coleman, D.C., Crossley, D.A. 2004. Winter decomposition of transgenic cotton residue in conventional-till and no-till systems on the Georgia Piedmont, USA. Applied Soil Ecology. 27:135-142.
Influence of cover crops on insect pests and predators in conservation tillage cotton - (Peer Reviewed Journal)
Tillman, P.G., Schomberg, H.H., Phatak, S., Mullinix, B., Timper, P., Lachnicht, S., Olson, D.M. 2004. Influence of cover crops on insect pests and predators in conservation tillage cotton. Journal of Economic Entomology. 97(4):1217-1232.
Differences in the Soil Microarthropod Community under Two Winter Cover Crops in Strip-Tilled Cotton - (Proceedings)
Lachnicht Weyers, S.L., Schomberg, H.H., Tillman, P.G. 2003. Differences in the soil microarthropod community under two winter cover crops in strip-tilled cotton [abstract]. Soil Ecology Society, 9th Biannual International Conference "Invasive Species and Soil Ecology." p. 49-50.
Soil Microarthropods: Bioindicators of Conservation Management Practices - (Proceedings)
LACHNICHT, S.L., SCHOMBERG, H.H., TILLMAN, P.G. SOIL MICROARTHROPODS: BIOINDICATORS OF CONSERVATION MANAGEMENT PRACTICES. ANNUAL SOUTHERN CONSERVATION TILLAGE CONFERENCE FOR SUSTAINABLE AGRICULTURE. 2002.
Interactive Effects of Native and Exotic Earthworms on Resource Use and Nutrient Mineralization in a Tropical Wet Forest Soil of Puerto Rico. - (Peer Reviewed Journal)
Lachnicht Weyers, S.L., Hendrix, P.F., Zou, X. 2002. Interactive effects of native and exotic earthworms on resource use and nutrient mineralization in a tropical wet forest soil of puerto rico.. Biology and Fertility of Soils. v. 36. p. 43-52.
Last Modified: 8/22/2014