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	1.	Runoff phosphorus losses as related to phosphorus source, application method, and application rate on a Piedmont soil. [electronic resource] by Tarkalson, David D Mikkelsen, Robert L Producer: 20050114 In: Journal of environmental quality vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Effect of growth promotants on the occurrence of endogenous and synthetic steroid hormones on feedlot soils and in runoff from beef cattle feeding operations. [electronic resource] by Bartelt-Hunt, Shannon L Snow, Daniel D Kranz, William L Mader, Terry L Shapiro, Charles A Donk, Simon J van Shelton, David P Tarkalson, David D Zhang, Tian C Producer: 20120604 In: Environmental science & technology vol. 46 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Effect of composting on the fate of steroids in beef cattle manure. [electronic resource] by Bartelt-Hunt, Shannon L Devivo, Shannon Johnson, Leslie Snow, Daniel D Kranz, William L Mader, Terry L Shapiro, Charles A van Donk, Simon J Shelton, David P Tarkalson, David D Zhang, Tian C Producer: 20160423 In: Journal of environmental quality vol. 42 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Effect of rainfall timing and tillage on the transport of steroid hormones in runoff from manure amended row crop fields. [electronic resource] by Biswas, Sagor Kranz, William L Shapiro, Charles A Snow, Daniel D Bartelt-Hunt, Shannon L Mamo, Mitiku Tarkalson, David D Zhang, Tian C Shelton, David P van Donk, Simon J Mader, Terry L Producer: 20180205 In: Journal of hazardous materials vol. 324 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)