All Entries Tagged With: "fertilizer application"

Use of Reference Strips to Determine Nitrogen Fertilizer Requirements

Article by Wilma Trujillo In the late 1990’s, Oklahoma State University (OSU) developed a way to determine nitrogen (N) fertilizer requirements. The developed N management strategy addresses two conditions that greatly affect how much N fertilizer a crop will need for maximum yield: (a) variability within a field (spatial variability); and (b) year-to-year variability over […]