Alfalfa: Response of Alfalfa to Calcium Lignite Fertilizer

Arkansas Study: Dr. Kline's research regarding Arkansas lignite and its possible use as a soil amendment that could be useful to the rice industry in Arkansas

Biostimulating turfgrasses

The ferment activity of humic and fulvic acid preparations

Texas A&M Extenstion Service: Fertilizer Requirements of Selected Vegetable Crops

Florida Study:Humates and Humic Acid; Humate materials: their effects and use as soil amendments

Healthy Soil Produces Healthy Plants

How does Humic Acid Work/Benefits?

Humic Acid Properties

HUMUS: Still a Mystery?

The Humus Cycle

Leonardite (lignite) and Humified Organic Matter

Are there really naturally occurring fulvic acids?

Organic Crop Production Requirements

Organic Life Styles (Texas A&M, Soil & Crop Science Dept.)

Definition of Soil Organic Matter

Organic Matter, Humus, Humate, Humic, Humic Acid, Fulvic Acid and Humin: Their importance in Soil Fertility and Plant Health

Urea Stabilization