Nutrient Management

A manure Lagoon in California's Central Valley.

Electrical conductivity as a proxy measurement for nitrogen

June 18, 2026

Polyhalite is a naturally occurring evaporite mineral composed of potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S) in sulfate form [K₂Ca₂Mg(SO₄)₄·2H₂O].

Polyhalite best management practices

March 26, 2026

Nutrient foliar spray in an almond orchard. Photo courtesy of Alamy/Leonard F Wilcox.

Foliar feeding of plant nutrition

February 26, 2026

Photo courtesy of Adobe Stock/andov.

Assessing pre-plant nitrogen sources and waterlogging on corn growth and yield

January 9, 2026

A large electric phosphate smelting furnace used to make elemental phosphorus in a TVA chemical plant near Muscle Shoals, AL in 1942. Source: United States Library of Congress.

From rocks to riches: The history of the United States phosphate fertilizer industry

November 30, 2025

AI-generated image from Google Gemini.

Enhancing farm profitability through nitrogen efficiency and yield stability

November 30, 2025

Photo courtesy of Adobe Stock/Danita Delimont.

Nitrogen stabilizers and fertilizer enhancers are not all equal

October 29, 2025

Photo courtesy of Getty Images/The Creative Drone.

Nitrogen management for hybrid canola in Canada

September 30, 2025

The nitrogen value of cover crops

September 30, 2025

AI-generated image courtesy of Google Gemini.

Same soil, different answers

September 26, 2025

2026 Sustainable Agronomy Conference

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