Fungi, Plants, Soil, and Gardens

Fungi are deeply tied to soil and plant life, although most of those relationships happen out of sight. This section looks at mycorrhizae, roots, mulch, compost, decomposition, soil structure, water, and what fungal activity can mean in a garden.

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  • Fungi as Food Factories

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    Fungi as Food Factories

    Over the last three years I have added all kinds of organic material to my backyard. Pond muck, worm castings, compost, biochar, whatever I could find and thought might help. When you start with dry dead looking dirt, you spend a lot of time looking at things and wondering whether they belong in the soil…

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  • The Fantastic Roots of Mesquite Trees

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    The Fantastic Roots of Mesquite Trees

    When people talk about mesquite trees and their roots, the taproot usually gets all the attention. That makes sense. Mesquite is famous for sending roots astonishingly deep in search of water. Velvet mesquite roots have been documented at depths of about 175 feet under favorable conditions.  But focusing only on the taproot misses most of…

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  • What Is the Rhizosphere?

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    What Is the Rhizosphere?

    A Beginner’s Guide to the World Around Plant Roots When most of us think about roots, we probably picture something like underground plumbing. Roots spread through the soil, absorb water and nutrients, and hold the plant in place. That is true, but it leaves out most of what is actually happening underground. A living root…

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