References
- Becker, R. A., and Wilks, A. R. 2021. R version by Ray Brownrigg. Enhancements by Thomas P Minka and Alex Deckmyn. maps: Draw Geographical Maps. R package version 3.4.0. https://CRAN.R-project.org/package=maps.
- Brodie, B. B. 1976. Vertical distribution of three nematode species in relation to certain soil properties. Journal of Nematology 83:243.
- Chowdhury, I. A. 2020. Plant-parasitic nematodes on corn (Zea mays L.) and soybean (Glycine max L.) in North Dakota. Ph.D. dissertation, North Dakota State University, Fargo, North Dakota.
- Corn production by state. 2021. https://worldpopulationreview.com/state-rankings/corn-production-by-state
- Corn nematodes: Know the several different species. 2019. https://www.fssystem.com/Resource-Center/Resource-Detail/corn-nematodes-know-the-several-different-species
- CropProphet. 2020. What state produces the most corn? https://www.cropprophet.com/what-state-produces-the-most-corn/
- Fortnum, B. A., and Karlen, D. L. 1985. Effect of tillage systems and irrigation on population densities of plant nematodes in field corn. Journal of Nematology 17: 25-28.
- Grabau, Z. J., Vetsch, J. A., and Chen, S. 2017. Effects of fertilizer, nematicide, and tillage on plant-parasitic nematodes and yield in corn and soybean. Journal of Agronomy 109:1651-1662.
- Govaerts, B., Mezzalama, M., Sayre, K. D., Crossa, J., Nicol, J. M., and Deckers, J. 2006. Long-term consequences of tillage, residue management, and crop rotation on maize/wheat root rot and nematode populations in subtropical highlands. Applied Soil Ecology 32:305-315.
- Govaerts, B., Mezzalama, M., Unno, Y., Sayre, K. D., Luna-Guido, M., Vanherck, K., Dendooven, L., and Deckers, J. 2007. Influence of tillage, residue management, and crop rotation on soil microbial biomass and catabolic diversity. Applied Soil Ecology 37:18-30.
- Han, J., Colgrove, A. L., Bowman, N. D., Schroeder, N. E., and Kleczewski, N. M. 2021. A survey of plant-parasitic nematodes in Illinois Corn Fields, 2018 and 2020. Plant Health Progress 22:560-564.
- Hunt, D. J. 1993. Aphelenchida, Longidoridae and Trichodoridae: Their systematics and bionomics. Wallingford: CAB International.
- Jenkins, W. R. 1964. A rapid centrifugal-flotation technique for separating nematodes from soil. Plant Disease Report 48:692.
- Kassambara, A. 2020. ggpubr: ‘ggplot2’. Based Publication Ready Plots. R package version 0.4.0. https://CRAN.R-project.org/package=ggpubr
- Koenning, S. R., Overstreet, C., Noling, J. W., Donald, P. A., Becker, J. O., and Fortnum, B. A. 1999. Survey of crop losses in response to phytoparasitic nematodes in the United States for 1994. Journal of Nematology 31:587.
- MacGuidwin, A. 2003. Species, thresholds, and management of corn nematodes. https://extension.soils.wisc.edu/wcmc/species-thresholds-and-management-of-corn-nematodes
- Mackellar, B., and Kelly, L. 2021. Irrigation an important tool for increasing profits, managing risk and utilizing applied nutrients. https://www.michiganfarmnews.com/irrigation-an-important-tool-for-increasing-profits-managing-risk-and-utilizing-applied-nutrients
- Mai, W. F., and Mullin, P.G. 1996. Plant-parasitic nematodes: A pictorial key to Genera. Ed. 5. Cornell University Press.
- McSorley, R., and Gallaher, R. N. 1993. Effect of crop rotation and tillage on nematode densities in tropical corn. Journal of Nematology 25:814.
- Michigan Agriculture Fact and Figure. 2018. https://www.michigan.gov/-/media/Project/Websites/mdard/documents/businessdevelopment/mi_ag_facts_figures.pdf?rev=9ca97e867d0d40b392470b02a2694e50
- Niblack, T. L. 2003. More details on corn nematodes. University of Illinois Extension Bulletin, 8. bulletin.ipm.illinois. edu.
- Norton, D. C., and Hoffmann, J. K., 1975. Longidorus breviannulatus n. sp. (Nematoda: Longidoridae) associated with stunted corn in Iowa. Journal of Nematology 7:168-171.
- Norton, D. C. 1983. Maize nematode problems. Plant Disease 67:253.
- Norton, D. C. 1989. Abiotic soil factors and plant-parasitic nematode communities. Journal of Nematology 21:299.
- Okada, H., and Harada, H. 2007. Effects of tillage and fertilizer on nematode communities in a Japanese soybean field. Applied Soil Ecology 35:582-598.
- Oerke, E. C. 2006. Crop losses to pests. The Journal of Agriculture Science 144:31-43.
- R Core Team. 2013. R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. http://www.R-project.org
- Simon, A. C. M., Lopez-Nicora, H. D., Niblack, T. L., Dayton, E. A., Tomashefski, D., and Paul, P. A. 2018. Cropping practices and soil properties associated with plant-parasitic nematodes in corn fields in Ohio. Plant Disease 102:2519-2530.
- Smiley, R. W., Merrifield, K., Patterson, L. M., Whittaker, R. G., Gourlie, J. A. and Easley, S. A., 2004. Nematodes in dryland field crops in the semiarid Pacific Northwest United States. Journal of Nematology 36: 54.
- Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Web Soil Survey. Available from: http://websoilsurvey.sc.egov.usda.gov
- Thomas, S. H. 1978. Population densities of nematodes under seven tillage regimes. Journal of Nematology 10: 24-27.
- Todd, T. C., Windham, G. L., and Edwards, D. I. 2016. Disease caused by nematodes. Pp. 117-129 in G. P. Munkvold and D. G. White, eds. Compendium of corn diseases, 4th ed. St. Paul, MN, APS Press.
- Tylka, G. L. 2009. Common corn nematode characteristics. https://crops.extension.iastate.edu/cropnews/2009/08/common-corn-nematode-characteristics
- Tylka, G. L., Sisson, A. J., Jesse, L.C., Kennicker, J., and Marett, C. C. 2011. Testing for plant-parasitic nematodes that feed on corn in Iowa 2000-2010. Plant Health Progress 12:2.
- USDA/NASS. 2020. State agriculture overview, Michigan. https://www.nass.usda.gov/Quick_Stats/Ag_Overview/stateOverview.php?state=MICHIGAN
- Warner, F. 2011. Attack of the corn nematodes. https://www.canr.msu.edu/news/attack_of_the_corn_nematodes
- Wickham, H., François, R., Henry, L. and Kirill Müller. 2020. dplyr: A Grammar of Data Manipulation. R package version 1.0.2. https://CRAN.R-project.org/package=dplyr
- Zeims, T. 2015. Corn nematode sampling. https://cropwatch.unl.edu/corn-nematode-sampling