A freshly tilled field bordered by trees, illustrating the importance of soil microbes for maintaining healthy soil and promoting robust plant growth.

Soil Microbes and Healthy Garden Soil – A Practical Guide

Soil life drives nutrient release, improves structure, and helps roots resist stress. Gardeners can boost microbial activity with simple habits – keep soil covered, add stable organic matter, avoid deep tillage, water consistently, and match pH to crop needs. Most microbial communities thrive when soil stays near pH 6.0–7.0, moisture holds at roughly half to…

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A wheelbarrow filled with leaves and garden debris, representing organic matter used for improving soil health.

Organic Matter in Soil – How It Builds Fertility and Structure

Soil organic matter is the fraction of soil made from decaying plant residues, stable humus, and microbial biomass. It drives fertility by improving structure, water storage, nutrient exchange, and root habitat. Productive garden soils often test between 3% and 6% organic matter by weight. Sandy beds perform well near 2-4%. Clay-based beds respond better near…

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