The Soil Management Assessment Framework (SMAF) provides site-specific interpretations for soil quality indicator results. Because the definition of soil quality for your site depends on your management goals, climate, crops, and soil type, a framework approach to soil quality indexing is used. This allows for the necessary differences in site- and goal-specific interpretations of indicator results. The index framework involves three main steps:
Andrews et al., 2001
View Soil Management Assessment Framework case studies.
Andrews, S.S., D.L. Karlen, and J.P. Mitchell. 2001. A comparison of soil quality indexing methods for vegetable production systems in Northern California. Agriculture, Ecosystems and Environment 1760: 1-21.