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Calculating fertilizer amounts based on nitrogen recommendations from an extension person, literature, or soil test report. Enter the amount of nitrogen (N) you wish to apply per 1,000 square feet:
Trying to figure out how much nitrogen is in that bag of granular fertilizer? Or how much many pounds of N you’re putting down per 1,000 ft²? Use our Nitrogen Calculator below to quickly get accurate results.
This web site provides a process to calculate economic return to N application with different nitrogen and corn prices and to find profitable N rates directly from recent N rate research data.
To calculate how much fertilizer your lawn needs, follow these steps: Determine the surface area of your lawn. Choose the desired nitrogen (N) application rate per unit area. This rate is usually measured in pounds per acre or per 1,000 square feet. Find the percentage of nitrogen on the bag label. Calculate the fertilizer application rate:
Nitrogen is released as ammonium- N from organic matter in the soil through mineralization. Mineralization is a microbial process that is favored by conditions favorable to high corn yield; thus, the estimated credit for N from organic matter is related to expected yield.
This web-based tool is adapted from our previous spreadsheet-based N calculator and provides a user-friendly web-based program to enter detailed field management inputs and create corn nitrogen rate recommendations.
UNDERSTANDING NITROGEN MATH. Being able to calculate how much fertilizer to put on to apply the right amount of nitrogen is important. So let's start with an easy basic -- dry urea fertilizer.
Corn Nitrogen Rate Calculator. This web site provides a process to calculate economic return to N application with different nitrogen and corn prices and to find profitable N rates directly from recent N rate research data.
The calculator ranks various fertilizer combinations, with the best getting the highest score. You can use it to: Calculate the weight of fertilizer materials to supply the amounts of N, P 2 O 5, K 2 O, S recommended by a soil test report.
This calculator will predict how much and when nitrogen will be plant available from applied organic fertilizers and poultry litters by predicting nitrogen mineralization for irrigated fields.