As with most tasks on the farm, timing is everything. But in addressing a nitrogen deficiency in corn, when is only half the equation — the other major consideration is how and which nitrogen ...

Corn requires a lot of nitrogen, approximately 1.2 pounds of it for every bushel of corn produced. That means that a 200-bushels-per-acre harvest will require 240 pounds of nitrogen per acre. Most of ...

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 ...

AMES, Iowa – Newly published research from Iowa State University agronomists shows that the application of nitrogen fertilizer at optimum levels to corn and soybeans is required to maintain carbon in ...

A combination of precision fertilizer application, better water management, advances in genetics, seed treatments, and ...

Revised Document Prepared by: A.L. Shober, K.L. Gartley, and J.T. Sims Department of Plant and Soil Sciences, University of Delaware Unlike other nutrients, such as potassium or phosphorus, the ...

AMES, Iowa – The amount of nitrogen fertilizer needed to maximize the profitability of corn production in the Midwest has been increasing by about 1.2% per year for the past three decades, according ...

Corn growing in the Irene Rose Sohn Zegar Memorial Greenhouse on the top floor of NYU’s Center for Genomics and Systems Biology. New York University scientists are using artificial intelligence to ...

Midwestern soils are among the most productive in the world, thanks in part to extensive tile drainage systems that remove excess water from crop fields. But water isn't the only thing flowing through ...

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 ...