Soil Health Resources: http://soilhealth.cals.cornell.edu/resources/

10 Best Practices for Healthy Gardening: http://cwmi.css.cornell.edu/WhatGardenersCanDoEnglish.pdf

Soil Quality and Testing: http://cwmi.css.cornell.edu/soilquality.htm

Cornell Garden-based Learning Healthy Soil Resources: http://gardening.cals.cornell.edu/garden-guidance/healthysoil/