Nutrient Management

Figure 2. Spray application of a suspension of fine elemental S particles (Sulgro 70). Photo courtesy of Murray MacKinnon, Sultech.

Efficacy of Elemental Sulfur Fertilizers

January 4, 2023

Soybeans with 20 lb sulfate sulfur per acre applied prior to emergence (left) and without S (right). Photo by Shaun Casteel, Purdue University.

Correcting Sulfur Shortages in Midwest Soils

January 2, 2023

Measured emissions from research on cropping systems are summarized in meta-analyses to validate 4R practice efficacy.

What’s the scope of 4R practices for reducing emissions from fertilizer?

November 5, 2022

As a group, the agricultural and environmental laboratories doing soil analysis are capable of reasonable precision. Some methods have good precision, and others are relatively less precise. Photo courtesy of BYU photography.

Soil testing: How precise is my lab data?

September 11, 2022

Gulf of Mexico hypoxia 2022: What’s the role of plant nutrition?

August 5, 2022

Clockwise from top: collecting a Walla Walla silt loam soil, removing moisture from biosolid samples in a drying oven, mixing biosolids with soil for incubation, extracting sulfate with calcium phosphate, incubating biosolid-treated soils, and grinding biosolids with a Wiley mill.

Considering biosolids as a sulfur nutrient source

June 8, 2022

The application of nutrients, particularly N, is associated with greenhouse gas emissions. Thus, if we are going to apply N inputs to enhance the capacity of a system to store N in the soil, a full analysis of the greenhouse gas balance is needed. Photo courtesy of Adobe Stock/chas53.

Soil carbon needs 4R nutrients

May 31, 2022

Photo by Draw05/Shutterstock

Can banding reduce phosphorus rates and environmental losses?

April 29, 2022

The nitrogen industry seeks to reduce its carbon footprint. Photo courtesy of The Fertilizer Institute.

Climate-smart fertilizers in 4R nutrient stewardship

April 15, 2022

Photo by Paul McDivitt/University of Minnesota Extension.

The MRTN approach to making nitrogen rate recommendations: Background and implementation

February 23, 2022

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