Nutrient Management

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

Managing the legacy of P inputs and outputs is an integral part of 4R Nutrient Stewardship. Illustration courtesy of the USDA Legacy Phosphorus project.

Managing legacy phosphorus with 4R nutrient stewardship

August 18, 2025

Dr. Christopher W. Rogers (USDA-ARS, Kimberly, ID) assessing early-season barley growth at the University of Idaho R&E Center/ USDA-ARS Small Grains and Potato Germplasm Unit (Aberdeen, ID).

Nitrogen management for irrigated hull-less food barley

June 26, 2025

Photo by Krista Lundgren/USFWS and published under this license: https://creativecommons.org/licenses/by/2.0/deed.en.

Does slope influence soluble phosphorus losses in spring snowmelt runoff in the Prairie Pothole Region of Canada?

May 30, 2025

Figure 1. Left: Satellite imagery with a normalized difference red edge (NDRE) layer of a corn field in west-central Nebraska. Right: Photo taken of the actual site during field scouting.

Imagery-based crop nutrient management

March 3, 2025

Walking the Line: Real-World Ethics in Agronomy and Soil Science

Early Career Award Opportunities in Agronomy, Crop, Soil, and Environmental Sciences