…The Soil Biology Primer represents a new era in our agency’s soil science contributions to natural resource conservation. In the past we have focused primarily on the chemical and physical properties of soil . This publication highlights another integral component of soil , its biological features. The Primer explains the importance of biological functions for productive and healthy agricultural systems , range lands, and forest lands.

The Soil Biology Primer is intended for farmers, ranchers, agricultural profes sionals, resource specialists , students, teachers, and NRCS conservationists, specialists , and soil scientists as a reference for enhanced understanding of the critical functions performed by soil life. I hope you enjoy reading about the fascinating diversity of soil life under our feet and gain a deeper appreciation of the intrinsic value of soil organisms to sustainable civilizations . Protecting our Nation’s soil for future generations is of greatest importance.

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