Henry's Handbook of Soil and Water

A staple on many agronomists’ bookshelves, Henry’s Handbook outlines the five soil-forming factors: climate, vegetation, parent material, topography, and time. Henry also challenges readers to think deeper about soil, stating that the five main factors are “water, water, water, water, and water.” Often quoted for the philosophy that “water drives everything,” this book is a valuable resource covering topics ranging from basic soil structure to advanced concepts such as hydrology and groundwater chemistry.

Les Henry was a farmer and former professor and extension specialist at the University of Saskatchewan. His practical, common-sense approach to soil science resonated with farmers and agronomists alike. Before his passing, Henry transferred the copyright of Henry’s Handbook of Soil and Water to Cory Willness, CEO of Croptimistic Technology, ensuring the continued availability of this foundational resource.