Nutrient Management

Source: Flickr/MPCA.

Careful placement allows manure to replace starter phosphorus in corn

March 11, 2021

Figure 1. U.S. corn, soybean, and wheat grain yield and partial factor productivity (PFP) from 1964 to 2018. Nitrogen, phosphorus, and potassium PFP are shown for corn and wheat, and phosphorus and potassium are shown for soybean (USDA-ERS, 2019; USDA-NASS, 2019).

Nutrient use efficiency—A metric to inform 4R nutrient stewardship

March 10, 2021

Fabián Fernández, a soil scientist and extension specialist at the University of Minnesota, is the author of a recent article in Agronomy Journal that examines how yield and root growth in corn and soybean crops are affected by tillage, fertilizer application rates, and fertilizer placement.

Managing phosphorus and potassium Is key in conservation tillage systems

March 3, 2021

Polymer-coated urea is the most widely used controlled-release nitrogen fertilizer.

Nitrogen release from polymer-coated urea: Effect of seasons and growing degree-days

March 2, 2021

Manure injection. Photo by Edwin Remsberg.

Soil health and 4R: What practices are working?

December 29, 2020

Commercial alfalfa harvest.

Use of NPK liquids in managing irrigated alfalfa cropping systems

November 5, 2020

A trailer spreads liquid manure. Photo by Will Parson/Chesapeake Bay Program.

What are the barriers and benefits of manure use in cropping systems?

November 3, 2020

Sulfur deficiency in corn. Source: IPNI Crop Nutrient Deficiency Image Collection.

Sulfur 4R management and the changing landscape of fertility

November 2, 2020

Photo by Brad Bernhard.

When to use a single or split application of nitrogen fertilizer in corn

September 8, 2020

Source: Design Pics Inc /Alamy Stock Photo.

Which recommendation tools are best for achieving the economically optimal nitrogen rate?

September 8, 2020

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