Extension Ag Update
November/December 2007
Articles Research Resources Internet Links Ag Facts Education

Resources

Agricultural Ventilation Fans: Performance and Efficiencies, IL-07

www.bess.uiuc.edu
Published every other year by the University of Illinois, Agricultural Ventilation Fans provides unbiased data on more than 200 commercially available ventilation fans. Included are selection criteria, an equipment manufacturer list, airflow and efficiency operating pressures, test results grouped by fan size (manure pit, 8” to 54”) and speeds, and test criteria. To order a copy contact Midwest Planning Service, 122 Davidson Hall, Iowa State University, Ames, IA 50011-3080, mwps@iastate.edu, 800-562-3618

Managing Cover Crops Profitably, 3rd Edition

http://www.sare.org/publications/covercrops/covercrops.pdf
“Managing Cover Crops Profitably” explores how and why cover crops work and provides all the information needed to build cover crops into any farming operation. Revised and updated in 2007, the 3rd edition includes new chapters on brassicas and mustards, six new farm profiles, as well as a comprehensive chapter on the use of cover crops in conservation tillage systems. Updates throughout are based on more than 100 new literature citations and consultations with cover crop researchers and practitioners around the country. Appendices include seed sources and a listing of cover crop experts.

To order contact Sustainable Agriculture Publications, PO Box 753, Waldorf, MD 20604-0753, Telephone: (301) 374-9696, Fax: (301) 843-0159, Email: sanpubs@sare.org