2021 Beyond The Basics

5-part series on the 4R systems approach to soil tests, fertility, and nutrient management.

  • Sessions will be on Tuesdays and Thursdays starting on Tuesday, November 16th and will run for 2.5 weeks (11/16, 11/18, 11/23, [Skip Thanksgiving], 11/30, 12/2)
  • Each session will start at 8:00 a.m. and, depending on the live Q and A,  will last around 3 hours.
  • Each session will be posted by the next day for review, accessible to registrants via a password. Materials will be left up for two weeks following the last session (Material comes down December 16th).
  • The virtual meeting will be on the WebinarJam platform. No camera or microphone needed. Attendees can submit typed questions during the meeting via the chat box.
  •  We are applying for 15 CEU credits for the series. There must be a registration for each person submitting a CCA number to the sign-in sheet. Per organization guidelines, those that watch it live can be included on the sign-in sheet. Those that watch the recording later can self-report the credits.

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The Foundation of a Good Soil Test

  • Major schools of thought for how to pull samples and write recommendations
  • What method Crop-Tech uses and why
  • What the soil test can tell you
  • Why we build zones in a field, and how that plays into a systems approach
  • Using layers of data to build your zones (aerial, LiDAR, yield maps, soil lines)
  • The importance of knowing before making a recommendation:
    • How the sample was pulled
    • When the sample was pulled
    • What lab ran the test, and what extraction method was used
    • What units are the results reported in

Reading Between the Lines on Your Soil Test

  • How to read the values reported and how to interpret them to make the best management decisions regarding:
    • Organic Matter
    • Cation Exchange Capacity
    • P1 and P2
    • Base Saturation
    • pH

A Deep Dive into Phosphorus

  • Availability in the soil, and the plant uptake process
  • What role it plays in the plant
  • Phosphorous tie-up and what that changes in terms of management
  • All things starter fertilizer

Drilling Down on Calcium and pH

  • Availability in the soil, and the plant uptake process
  • What role it plays in the plant
  • How to use the pH values on a soil test to decide when, how much, and what type of lime to apply
  • What can cause false or varying pH results

Sifting out Lime Surprises

  • How to evaluate a lime source
  • Vocabulary for understanding acronyms on a lime sample
  • How lime quality standards differ between states
  • Why a good spread pattern matters and overcoming obstacles to achieve it

The ABCs of Potassium

  • Availability in the soil and what affects it
  • Plant uptake process and what impedes it
  • What role it plays in the plant
  • What causes a K+ deficiency, how to identify it, and what it does to the plant
  • Effects of an abundance of K+ creating imbalances in the soil

All Things Nitrogen

  • Different sources: Ammonium Nitrogen (NH4+), Nitrite (NO2-), Nitrate (NO3-)
  • The conversion process between the different forms, and factors that influence it
  • What source the soil microbes like best, and what the plants use most efficiently
  • How and when to protect against volatilization and leaching
  • Nitrogen Extenders
  • Illinois Soil Nitrogen Test (ISNT) and how we use it to variable rate Nitrogen
  • VRT Nitrogen and it’s affect on soil health and organic matter

Understanding the Soil Ecosystem

  • Examining soil microbes’ role in growing a crop
    • Heterotrophs vs Autotrophs
    • Bacteria and fungi, small particles with big roles
    • Stages of organic matter
    • The carbon cycle and the importance of the carbon to nitrogen ratio
    • Nutrient cycling-what is involved and when do you see returns

Event Details


November 11 -December 2


(CTC Customers)

(Non-CTC Customers)



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