At the closing of each growing season, growers start thinking about the next year, and soil testing is an important part of that planning. The Montana State University Extension Soil Fertility Program ...

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 ...

Whether you’re a farmer or a gardener, you can use the 4 Rs to help keep nutrients and fertilizer in the soil. The 4 Rs stand for right source, right rate, right time and right place. These principles ...

Mid-April is the ideal time to put out that first fertilizer application on lawns in North Florida. A newer trend in managing fertilizers while protecting the environment is the 4 R’s of nutrient ...

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 ...

Reducing nitrogen fertilization rates to the environmental optimum would cause a drop in yield of about 6% while only slightly reducing nitrogen loss, an unfavorable trade-off, Archontoulis said. "If ...