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Fertilizer Basics All the Details Recommended Products
What Plants Need

Taking Soil Samples

How Fertilizer Works

Different Forms of Fertilizer

  Fast Release Fertilizer
  Slow Release Fertilizer
  Controlled Release Fertilizer

New Fertilizer Technology

Reading the Label

Shopping for Fertilizer

Different Forms of Fertilizer

All fertilizers are not created equal. They differ not only in the proportions of nutrients they contain, but also in their method of application as well as their duration. The three main classes of fertilizers include:

  • Water-Soluble or Fast-Release Fertilizers
  • Natural Organic or Slow-Release Fertilizers
  • Granular or Controlled-Release Fertilizers
  • Comparison of Fertilizer Nutrient Release Rates


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