Projects

PROTECTING SURFACE AND GROUND WATERS IN EMERGING FARMING SYSTEMS OF THE NORTH CENTRAL UNITED STATES Appropriated (D)   Accession Number: 412033

FARMING PRACTICES FOR THE NORTHERN CORN BELT TO PROTECT SOIL RESOURCES, SUPPORT BIOFUEL PRODUCTION AND REDUCE GLOBAL WARMING POTENTIAL Appropriated (D)   Accession Number: 410684

Publications

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.

A hydrothermal seedling emergence model for giant ragweed (Ambrosia trifida) - (Peer Reviewed Journal)

Schutte, B.J., Regnier, E.E., Harrison, S.K., Schmoll, J.T., Spokas, K.A., Forcella, F. 2008. A hydrothermal seedling emergence model for giant ragweed (Ambrosia trifida). Weed Science. 56:555-560.

Short-term temporal changes of soil carbon losses after tillage described by a first-order decay model - (Peer Reviewed Journal)

La Scala, Jr., N., Lopes, A., Spokas, K.A., Bolonhezi, D., Archer, D.W., Reicosky, D.C. 2008. Short-term temporal changes of soil carbon losses after tillage described by a first-order decay model. Soil & Tillage Research. 99:108-118.

Plastics: Still young, but having a mature impact - (Other)

Spokas, K.A. 2007. Plastics: Still young, but having a mature impact. Waste Management. 28(3):473-474.

Emergence Prediction of Common Groundsel (Senecio vulgaris) - (Peer Reviewed Journal)

Mcgiffin, M., Spokas, K.A., Forcella, F., Archer, D.W., Poppe, S., Figueroa, R. 2008. Emergence prediction of common groundsel (Senecio vulgaris). Weed Science. 56:58-65.

Short-term temporal changes of bare soil CO2 fluxes after tillage described by a first-order decay model - (Abstract)

La Scala, N., Lopes, A., Spokas, K.A., Archer, D.W., Reicosky, D.C. 2007. Short-term temporal changes of bare soil CO2 fluxes after tillage described by a first-order decay model. Proceedings of the International Symposium on Organic Matter Dynamics in Agro-Ecosystems. July 16-19, 2007, Poitiers, France. I:98-99.

Effects of soil fumigants on methanotrophic activity - (Peer Reviewed Journal)

Spokas, K.A., King, J., Wang, D., Papiernik, S.K. 2007. Effects of soil fumigants on methanotrophic activity. Atmospheric Environment. 41:8150-8162.

An Emergence Model for Wild Oat (Avena fatua) - (Peer Reviewed Journal)

Martinson, K., Durgan, B., Forcella, F., Wiersma, J., Spokas, K.A., Archer, D.W. 2007. An emergence model for wild oat (Avena fatua). Weed Science. 55:584-591.

Sorption and predicted mobility of herbicides in Baltic soils - (Peer Reviewed Journal)

Sakaliene, O., Papiernik, S.K., Koskinen, W.C., Spokas, K.A. 2007. Sorption and predicted mobility of herbicides in Baltic soils. Journal of Environmental Science and Health Part B. 42:641-647.

Improving weed germination models by incorporating seed microclimate and translocation by tillage - (Abstract)

Spokas, K.A., Forcella, F., Archer, D.W., Peterson, D.H., Miller, S.W. 2007. Improving weed germination models by incorporating seed microclimate and translocation by tillage [abstract]. Weed Science Society of America. Available: http://www.wssa.net.

Canada Thistle Phenology: Emergence, Growth, Anthesis, and Death of Shoots - (Abstract)

Forcella, F., Archer, D.W., Spokas, K.A. 2007. Canada Thistle Phenology: Emergence, Growth, Anthesis, and Death of Shoots [Abstract]. Weed Science Society of America. Available: http://www.wssa.net.

Predicting late-season emergence for improved giant ragweed (Ambrosia trifida) management in Ohio - (Abstract)

Schutte, B.J., Regnier, E.E., Harrison, S.K., Schmoll, J.T., Forcella, F., Spokas, K.A. 2007. Predicting late-season emergence for improved giant ragweed (Ambrosia trifida) management in Ohio [abstract]. Weed Science Society of America. Available: http://www.wssa.net.

SeedChaser: Vertical soil tillage distribution model - (Peer Reviewed Journal)

Spokas, K.A., Forcella, F., Archer, D.W., Reicosky, D.C. 2007. SeedChaser: Vertical soil tillage distribution model. Computers and Electronics in Agriculture. 57:62-73.

Methane: Signs of Progress along the Road - (Peer Reviewed Journal)

Spokas, K.A. 2007. Methane: Signs of progress along the road [Editorial]. Waste Management. 27(4):459-460.

Mathematical simulation of soil microclimate conditions for predicting weed seed germination - (Abstract)

Spokas, K.A., Forcella, F. 2006. Mathematical simulation of soil microclimate conditions for predicting weed seed germination [abstract][CD-ROM]. North Central Weed Science Society Proceedings. 61:89.

Experimental cylinder comparisons for monitoring seedling emergence - (Abstract)

Spokas, K.A., Forcella, F., Archer, D.W., Peterson, D.H. 2006. Experimental cylinder comparisons for monitoring seedling emergence [abstract][CD-ROM]. North Central Weed Science Society Proceedings. 61:79.

Swathing and windrowing as harvest aids for cuphea - (Peer Reviewed Journal)

Forcella, F., Spokas, K.A., Gesch, R.W., Isbell, T., Archer, D.W. 2007. Swathing and windrowing as harvest aids for cuphea. Agronomy Journal. 99: 415-418.

LANDFILL GAS MEASUREMENT METHODS - (Abstract) - (14-Jun-06)

CARBON AND NITROGEN STORAGE ARE GREATER UNDER BIENNIAL TILLAGE IN A MINNESOTA CORN-SOYBEAN ROTATION - (Peer Reviewed Journal)

Venterea, R.T., Baker, J.M., Dolan, M.S., Spokas, K.A. 2006. Carbon and nitrogen storage are greater under biennial tillage in a Minnesota corn-soybean rotation. Soil Science Society of America Journal. 70:1752-1762.

SEEDCHASER: TILLAGE MODEL FOR VERTICAL WEED SEED DISTRIBUTION - (Abstract)

Spokas, K.A., Forcella, F., Peterson, D.H., Archer, D.W., Reicosky, D.C. 2005. Seedchaser: Tillage model for vertical weed seed distribution [abstract]. North Central Weed Science Society. 60:142.

SEEDLING EMERGENCE OF ROW CROPS AND WEEDS ACROSS FIVE TILLAGE SYSTEMS - (Abstract)

Peterson, D.H., Spokas, K.A., Forcella, F., Reicosky, D.C., Wente, C.D. 2005. Seedling emergence of row crops and weeds across five tillage systems [abstract]. North Central Weed Science Society. 60:74.

SEEDCHASER: TILLAGE MODEL FOR VERTICAL WEED SEED DISTRIBUTION - (Abstract)

Spokas, K.A., Forcella, F., Peterson, D.H., Archer, D.W., Reicosky, D.C. 2005. Seedchaser: Tillage model for vertical weed seed distribution [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 6-10, 2005, Salt Lake City, UT.

ESTIMATING HOURLY INCOMING SOLAR RADIATION FROM LIMITED METEOROLOGICAL DATA - (Peer Reviewed Journal)

Spokas, K.A., Forcella, F. 2006. Estimating hourly incoming solar radiation from limited meteorological data. Weed Science. 54:182-189.

DEGRADATION OF METHYL ISOTHIOCYANATE AND CHLOROPICRIN IN FOREST NURSERY SOILS - (Peer Reviewed Journal)

Zhang, Y., Spokas, K.A., Wang, D. 2005. Degradation of methyl isothiocyanate and chloropicrin in forest nursery soils. Journal of Environmental Quality. 34:1566-1572.

NITROGEN OXIDE AND METHANE EMISSIONS UNDER VARYING TILLAGE AND FERTILIZER MANAGEMENT - (Peer Reviewed Journal)

Venterea, R.T., Burger, M., Spokas, K.A. 2005. Nitrogen oxide and methane emissions under varying tillage and fertilizer management. Journal of Environmental Quality. 34:1467-1477.

NITROUS OXIDE AND METHANE EMISSIONS UNDER VARYING TILLAGE AND FERTIIZER MANAGEMENT - (Abstract)

Venterea, R.T., Burger, M., Spokas, K.A. 2005. Nitrous oxide and methane emissions under varying tillage and fertiizer management. USDA Symposium on Greenhouse Gases & Carbon Sequestration in Agriculture and Forestry, March 21-24, 2005, Baltimore, Maryland. p. 237.