Author:
Carmel Miller
Subject:
Agriculture
Material Type:
Activity/Lab
Level:
High School, Community College / Lower Division
Tags:
NE Ag, Nebraska Department of Education, Power and Technology, Precision Ag, Precision Agriculture, Prescriptions, Variable Rate, ne-ag, power-and-technology, precision-ag
License:
Creative Commons Attribution
Language:
English
Media Formats:
Text/HTML

Education Standards

Prescription Map - Multiple Products

Prescription Map - Multiple Products

Overview

This is a fourth lesson in computing variable rate prescriptions.  This lesson utilizes four different fertilizer products for meeting N, P, K and S needs of a corn crop.

Prescription Map 4 Multiple Products

Key for Worksheet is attached.

Variable Rate Prescription Multiple Product

Lesson One: Variable Rate Prescription of Multiple Products

Overview:

Students will calculate fertilizer rates for multiple products for multiple zones.

Objectives:

The student will calculate rates of nitrogen, phosphorus, potassium and sulfur using several fertilizer products for a field with three management zones.

Materials Needed:

Internet

Calculator

Activity:

  1. The student should have familiarity with the process of calculating fertilizer amounts by completing Lessons 1, 2 and 3 of Variable Rate Prescriptions.
  2. Print the worksheet.
  3. Complete the worksheet utilizing several different resources.
  4. At completion of the worksheet, the student will have calculated rates of Urea, MAP, Potash and AMS for three different management zones.
  5. The student can check their calculations by using a fertilizer blend calculator.

Teacher Resources:

  1. Have students complete Lessons 1, 2 and 3 of Variable Rate Prescriptions prior to this worksheet.
  2. A key for this worksheet is available.