Processing tomato growers can use online software to estimate how much nitrogen to apply, and when, to produce a crop of maximum yield and quality and while minimizing leaching to groundwater. The ...

NASHUA, Iowa — Iowa State University Extension agronomist John Sawyer wants farmers to use the Corn Nitrogen Rate Calculator to fine-tune their nitrogen management. The calculator is a web tool that ...

In the wake of 2009's dismal protein numbers, North Dakota wheat growers may be able to take heart, now that they can arm themselves with more accurate nitrogen recommendations, thanks to Dave Franzen ...

This has led to the closure of the Strait of Hormuz, a narrow shipping channel through which roughly 25% of the global trade in nitrogen passes. Farmers who have not already purchased their nitrogen ...

Together, the tools form an intuitive, free-to-use platform that allows farmers to assess the biological availability of nitrogen, phosphorus, and potassium (NPK) in their soils. With a simple ...

The Iowa Legislature wants to spend $1 million next year to revise the state’s long-standing nitrogen fertilizer calculator used in seven corn-growing states. The money would be used to update the ...