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United States Department of Agriculture

Agricultural Research Service

Title: Evaluating stocker cattle in a Southern Piedmont conservation tillage cotton-cover crop system to increase productivity

Authors
item Schomberg, Harry
item Reeves, Donald
item Fisher, Dwight
item Donoghue, Ann
item Endale, Dinku
item Jenkins, Michael

Submitted to: Annual Southern Conservation Tillage Conference for Sustainable Agriculture
Publication Type: Proceedings
Publication Acceptance Date: July 18, 2008
Publication Date: July 29, 2008
Repository URL: http://www.ag.auburn.edu/auxiliary/nsdl/scasc/
Citation: Schomberg, H.H., Reeves, D.W., Fisher, D.S., Raper, R.L., Endale, D.M., Jenkins, M. 2008. Evaluating stocker cattle in a Southern Piedmont conservation tillage cotton-cover crop system to increase productivity. In: (D.M. Endale, Ed.) Proceedings of 30th Southern Agriculture Systems Conference, and 8th Annual Georgia Conservation Production Systems Training Conference, July 29-31, Tifton, Georgia.

Technical Abstract: Managing cover crop with cattle offers a way to offset costs and increase farm revenue in conservation tillage systems. Cattle may have positive benefits on economic returns but negative impacts on cotton production. Treading of surfaces and reductions in surface residues may increase risks of soil erosion. Maximizing returns may require application of precision agricultural methods to manage spatially variable effects from cattle grazing. We are evaluating grazing effects on conservation tillage cotton grown on Cecil soil (fine, kaolinitic, thermic, Typic Kanhapludult) at the USDA-ARS Research Center, Watkinsville, GA using four long-term conservation systems watersheds instrumented to measure runoff and sediment loss. In 2006 and 2007, cereal rye (Secale cereale L.) provided approximately 4.5 Mg ha-1 of forage, enough for 3.5 Angus heifers (Bos Taurus) ha-1 between February 1st and April 15th. Seed cotton yields ranged from 2.4 Mg ha-1 to 3.3 Mg ha-1 in 2006 a year with good rain and only 15 to 20% of this amount in 2007 a year of sever drought. No differences in yield were detected between grazed and ungrazed fields for either year. Return on grazing was similar for both years while cotton returns were more variable. These results indicate grazing cover crops may be an important economic consideration for cotton producers in the Southern Piedmont because of the potential to increase revenues from grazing without reducing cotton yields.

Last Modified: 12/22/2014
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