Agronomy Concepts Part 1 of 3


  1. Level:
    Secondary
    Postsecondary


  1. Rank the degree to which the following agronomy concepts are included in your Ag Ed course(s):

            1 2 3 4 5      
      18 elements essential for plant nutrition Rarely Teach Always Teach  
      Classify the essential elements as macronutrient or micronutrient Rarely Teach Always Teach  
      Functions of N, P, and K in plants Rarely Teach Always Teach  
      Mobile or immobile micronutrients and macro nutrients in the plant Rarely Teach Always Teach  
      Chemical uptake forms of each macronutrient Rarely Teach Always Teach  
      Nutrient needs change as plant growth progresses from germination to maturity Rarely Teach Always Teach  
      Classify ions as mobile or immobile in the soil  Rarely Teach Always Teach  
      Fixation by clay on N in the soil Rarely Teach Always Teach  
      Volatilization of N in the soil Rarely Teach Always Teach  
      Leaching of N in the soil Rarely Teach Always Teach  
      Plant uptake of available nutrients in the soil Rarely Teach Always Teach  
      Variability in soil test analysis caused by: time of sampling, depth of sampling, method of preparing and shipping Rarely Teach Always Teach  
      Compare and contrast the following approaches for making nutrient recommendations: sufficiency level, base saturation, soil buildup/draw-down, and maintenance/crop removal  Rarely Teach Always Teach  
      Ways to prepare a soil sampling plan. Rarely Teach Always Teach  
      Describe how to use plant tissue analysis. Rarely Teach Always Teach  
      Describe the physical form and analysis of nutrients Rarely Teach Always Teach  
      Convert fertilizer analysis of P and K from elemental to oxide form, and vice versa Rarely Teach Always Teach  
      Use nutrient analysis and soil analysis information to calculate fertilizer and/or manure application rates Rarely Teach Always Teach  
      Use a soil survey to locate soil types on a tract of land Rarely Teach Always Teach  
      Use a soil survey to determine soil characteristics of a field Rarely Teach Always Teach  
      Affect of ersion/runoff/leaching/wetlands on land use and management Rarely Teach Always Teach  
      Describe the erosion processes of detachment, transport, and deposition for wind and water erosion Rarely Teach Always Teach  
      Factors that affect the rate of erosion by water Rarely Teach Always Teach  
      Mangement practices to decrease erosion potential Rarely Teach Always Teach  
      Measure percent crop residue cover Rarely Teach Always Teach  
      Explain how restrictive soil layers hinder plant growth Rarely Teach Always Teach  
      Explain how restrictive soil layers inhibit water, air, and nutrient movement Rarely Teach Always Teach  
      Describe methods for preventing and alleviating restrictive soil layers Rarely Teach Always Teach  
      Components of the soil-water cycle Rarely Teach Always Teach  
      How infiltration, permeability, depth, water holding capacity and texture influence leaching Rarely Teach Always Teach  
      Factors that effect N, P, K, and S movement Rarely Teach Always Teach  
      Soil water terms: saturation, field capacity, permanent wilting point, gravitational water, and plant available water. Rarely Teach Always Teach  
      Factors that influence evapotranspiration Rarely Teach Always Teach  
      Affects of excessive soil moisture on plant nutrient uptake and availabilit Rarely Teach Always Teach  
      How soil texture affects tile drainage spacing and depth Rarely Teach Always Teach  





Dale Gruis
Instructor
Collins-Maxwell MS/HS
IA