2017-12-152017-12-152012-06http://hdl.handle.net/10919/81238Engineering Update is a joint effort of Biological Systems Engineering and other cooperators at Virginia Tech. Subject areas covered in these newsletters include water quality, natural resource management, TMDL, air quality, animal waste management, machinery management, precision farming, agrochemical application technology, farm safety, energy, engineering education, and technology. Please use the information in newsletter to support your ongoing extension programs. You may circulate this to other extension staff and others who are interested. Electronic version of Engineering Update is available at: http://intra.ext.vt.edu/ anr/bse/index.htmlen-USIn CopyrightPeriodicalhttp://www.intra.ext.vt.edu/anr/bse/index.html