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Home » Nutrient application guidelines for field, vegetable, and fruit crops in Wisconsin (A2809) » About

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About

About Wisconsin’s Nutrient Application Guidelines

Introduction

Over 200,000 soil samples are analyzed in Wisconsin each year, and the results of these tests guide Wisconsin farmers in the use of lime and nutrient applications. The appropriate use of lime, fertilizer, manure, and other nutrient sources significantly increases Wisconsin farm income. Read more…

Sampling Soils for Testing

  • Goals of a soil sampling program
  • Selecting a soil sample strategy
  • Procedures for taking soil samples
  • Tillage system considerations for soil testing

Soil Test Procedures

  • What can I test soil for?
  • Where can I test soils in Wisconsin?
  • How to account for soil test result variability
  • Understanding cation exchange capacity (CEC)

Soil pH and Lime Requirements

  • Lime requirement calculations
  • Plow depth adjustment
  • Averaging the lime requirement
  • Other factors affecting lime recommendations
  • Choosing a liming material
  • Lowering soil pH
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