The jar test is a simple way to determine soil composition. Take a clear jar and fill it with three parts soil and one part ...

Soil testing is an essential tool for managing phosphorus, potassium and other nutrients in Iowa and many states. The units ...

This photo shows a yellowing young leaf, though its veins remain green, indicating that this plant is hungry for iron. Plants do tell us when they are hungry — with poor or distorted growth, and with ...

This is my periodic, obligatory soil test article. Don’t let your initial knee jerk reaction prevent you from reading! This topic isn’t as “sexy” as organic gardening, pollinator plants or even cherry ...