ANSI A300 (Part 2)-2004 Fertilization

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This part of the A300 standards applies to fertilization operations.  Part 2 Fertilization addresses:

• Fertilization practices
• Calculations for fertilization area
• Fertilization applications

 A300 Fertilization standards recognize and provide standards for basic fertilization methods:

• Surface fertilization: The application of dry fertilizer on the soil surface.
• Subsurface dry fertilization: The application of dry fertilizer below the soil surface.
• Subsurface liquid fertilizer injection: The application of liquid fertilizer below the soil surface.
• Alternative fertilization:  A number of techniques that may include spraying a liquid directly on the foliage, injecting a liquid directly into the plant, or implanting a solid directly into the plant.

Advisory Notice:  Surface application shall not be made where surface runoff is likely to occur.

Read this article about specifying fertilization!

How to use Tree Fertilization Standards (PDF - 767 KB)  - a TCI magazine article written by Tim Johnson, chair of the A300 committee.