John Sawyer
Agronomy

515-294-7078
jsawyer@iastate.edu

Articles by this author:

Iowa State University Extension and Outreach will offer a two-day crop production short course Feb. 18-19 focusing on principles of soils, soil fertility and nutrient management. Registration is limited to 40 participants; pre-registration is required and must be made by Feb. 11.

Advances in soil-testing research has led Iowa State University Extension agronomists to revise recommendations for phosphorus, potassium and lime.

A two-day short course, Soil Fertility and Nutrient Management, will be held Feb. 13-14 at the Scheman Building on the Iowa State University campus in Ames. The ISU Extension and Outreach short course will focus on principles of soils, soil fertility and nutrient management.