Extension Publications

Soybean management fact sheets availble (pdf files)
A comprehensive research project was conducted from 2004-2006 funded by the checkoff and the Iowa Soybean Association to investigate soybean yield limitations in Iowa. Six fact sheets have been written based on the information from that project.

Variety selection
Soybean planting date
Row spacing in soybean
Optimum plant population in Iowa
Managing soybean cyst nematode
Managing soybean for high yield

Soybean Growth and Development
- a new 28 page publication that explains soybean growth and development through the life cycle of a maturity group II variety in Iowa. The publication include guidelines on how to recognize different growth stages and apply specific management practices at optimum times.

The publication costs $4. It can be ordered by contacting any Iowa State University Extension county office, or by calling the Iowa State University Extension Distribution Center at (515) 294-5247.

Soybean Aphid
Soybean Aphids in Iowa 2007 - new online PDF file
Soybean Aphids - ISU website devoted exclusively to soybean aphids

Asian Soybean Rust
PowerPoint presentations and other extension publications on Asian Soybean Rust can be found at www.soybeanrust.info

Using Foliar Fungicides to Manage Soybean Rust is a new publication put together by plant pathologists and agronomists working in many regions of North America. This new publication reviews the factors involved in making fungicide spray decisions and basic fungicide information, including mode of action, application, and use strategies. Available online as a PDF file.

Cover Crops and Living Mulches (pdf files)
Legume Living Mulches in Corn and Soybean
Small Grain Cover Crops for Corn and Soybean

More Publications
See more publications at the Iowa State University Extension Distribution Center  Phone (515) 294-5247.