George Kuepper was Horticulture Manager at the Kerr Center for Sustainable Agriculture from 2008 through his retirement earlier this year.
Soil Testing, Soil Sampling, and Soil Fertility
This presentation by Warren Roberts and George Kuepper, from the Oklahoma Beginning Farmer and Rancher Program, discusses soil nutrient management. It covers signs of soil nutrient imbalance, behavior of different mineral nutrients in the soil, and guidelines for proper soil sampling.
Author: Warren Roberts, George Kuepper