Projects

MULTI-SCALE EVALUATION OF LAND USE MANAGEMENT SYSTEMS IN THE UPPER MIDWEST Appropriated (D)   Accession Number: 414472

SOIL CARBON CYCLING, TRACE GAS EMISSION, TILLAGE AND CROP RESIDUE MANAGEMENT Appropriated (D)   Accession Number: 410741

SOIL AND CROP MANAGEMENT SYSTEMS TO SUSTAIN AGRICULTURAL PRODUCTION AND ENVIRONMENTAL QUALITY IN THE NORTHERN GREAT PLAINS Appropriated (D)   Accession Number: 410760

Publications

Microbial biomass and nutrient dynamics in transitional systems in Minnesota - (Abstract)

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)

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.

Determinants and prediction of C:N ratio in five diverse crop plants - (Peer Reviewed Journal) - (28-Aug-08)

Construction of an electrical device for sampling earthworm populations in the field - (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)

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)

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)

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 - (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 - (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 - (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 - (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 - (Abstract)

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)

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 - (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)

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 - (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)

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)

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)

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)

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)

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. L., Olson, D. M. 2004. Influence of cover crops on insect pests and predators in conservation-tillage cotton. Journal of Economic Entomology. 97:1217-1232.

DIFFERENCES IN THE SOIL MICROARTHROPOD COMMUNITY UNDER TWO WINTER COVER CROPS IN STRIP-TILLED COTTON - (Proceedings/Symposium)

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/Symposium)

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.