- (2011) Composting with Worms Composting with worms is usually done with the common red wiggler worm, which specializes in converting food waste and other organic materials to a nutrient-rich compost called vermicast or worm castings. It thrives in an aerobic (with air) environment. It is able to process large amounts of food waste and rapidly reproduce in a confined space.
- (2017) How to Build Your Own Raised-bed Cloche Extend the growing season by building your own raised-bed cloche to shelter plants from wind and cold. With a cloche, you can grow a greater variety of fruits and vegetables and harvest crops earlier. A cloche is handy in central and eastern Oregon, where the growing season is shorter.
- (2021) Increasing Farm Viability Through Agritourism and On-Farm Direct Sales: An Oregon Producer Survey
- (2019) Basics of Fall Cover Cropping for Hemp in Oregon
- (2019) What is Industrial Hemp?
- (2019) Soil, Seedbed Preparation and Seeding for Hemp
- (2011) Measuring Soil PH
- (2011) Aminopyralid Residues in Compost
- (2013) How to detect and control heavy metals on your farm or in your garden Farmers and gardeners should take steps to detect and prevent heavy metals in their soil and crops.
- (2009) Potassium deficiency: Listening to your ears of corn
- (2014) Pasture Utilization - The Critical Factor
- (2007) Fertilizing is key to hay quality and quantity When it comes to growing hay, providing well-timed nutrients in the form of fertilizer will maximize production and quality at harvest time. Here's a guide to which nutrients to apply and when to do it.
- (2011) Composting with Worms
- (2011) Best Management Practices for Maintaining Soil Productivity in the Douglas-fir Region
- (2009) Silvopasture: An Agroforestry Practice
- (2009) Agroforestry: A Land Use Integration System
- (2008) How to Build Your Own Raised-Bed Cloche
- (2014) Harvesting Rainwater for Use in the Garden
- (2016) Reducing Lead Hazard in Gardens and Play Areas
Extension Small Farms Program
January 1 2006 – Present: Natural Resource Management & Staff chair, OSU Lincoln County Extension Center, Newport Oregon.
July 2001 – 2005: Agronomy Specialist with the University of Missouri Extension where I served 8 counties in the west central region of Missouri.
May 2000 – June 2001: Post Doctoral Research Fellow with the Crop Diagnostic Training Center, Agronomy Department, Purdue University, West Lafayette, Indiana.
1996 – April 2000: Ph.D. Graduate student, research assistant, and volunteer.
1994 –1996: Agricultural Officer at the National Agroforestry Research Project (NARP), a branch of the International Center for Research in Agroforestry (ICRAF), East Africa.
1993 – 1994: Graduate Teaching Assistant, Kenyatta University.
1992: Farm Manager at PACE primary boarding school, Kenya.
July – Dec 1991: Self-employed – Vegetable and Fruit Production, Kisii, Kenya.
Ph.D. Purdue University, West Lafayette, IN.
Emphasis: Soils and Sustainable Land-use Management.
Research Interests: Soil erosion, sustainable agriculture, bio-intensive agriculture and integrated farming systems.
Thesis: Soil erosion prediction using RUSLE.
M.S. Kenyatta University, Kenya. 1996.
Major: Agricultural Systems Management.
Thesis: Use of Tree-Grass Hedges Combinations for Erosion Control.
B.S. Andrews University, Berrien Springs, MI 1991
Major: Agricultural sciences
Emphasis: Crop Production, Soils, Animal Production, & Small Farm Management.