Alternative Soil Amendments

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By Preston Sullivan

Published: 2001

Updated: 2001



12 pages


This publication covers soil amendments that are not standard agricultural fertilizers. These include plant and animal by-products, rock powders, seaweed, inoculants, conditioners and others. Much of the information is taken from research reports by Iowa State University and the Rodale Institute Research Center, which cover the material in greater detail.

Table of Contents

Amendments in Proper Context
Plant & Animal By-Products
Manure- and Compost-Based Products
Rock and Mineral Powders
Seaweed Products
Microbial Inoculants
Soil Conditioners
Evaluate Products Carefully

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This page was last updated on: May 7, 2019