hand on garden soil; photo by Edwin Remsberg

Soil and Plant Nutrition: A Gardener’s Perspective, by Lois Berg Stack, Ornamental Horticulture Specialist, University of Maine Cooperative Extension



Additional UMaine Resources

MOFGA fact sheets — Look for

  • Using Green Manures
  • Natural Sources of Plant Nutrients
  • An Organic Farmer’s Guide to the Interpretation of a Standard Soil Test from the University of Maine

Additional Resources