Constantine Campbell: podcast appearances and interviews

Constantine Alberga Campbell was a Canadian scientist known for his research on soil organic matter and nitrogen in soils and crops. He was recognized as a leading authority on soil fertility and the degradation of nitrogen in American prairie soils, including studying the impact of nitrogen loss on organic matter quality. Campbell was among the pioneers in radiocarbon dating of soil organic matter, and his 1967 publication is considered a landmark in the field. Over the course of his career, he worked primarily with Agriculture and Agri-Food Canada in Swift Current, Saskatchewan, where he contributed significantly to understanding soil health and nutrient dynamics before retiring in 1998.