SSAGR08, an 18 page fact sheet by B.A. Sellers and J.A. Ferrell, describes an integrated approach to weed management in pastures and rangeland that involves scouting, prevention, and control (biological, cultural, mechanical, and chemical) in a coordinated plan. Published by the UF Department of Agronomy, February 2010.
http://edis.ifas.ufl.edu/wg006