Healthy plant growth and reproduction require 17 nutrients. Of these, carbon (C), oxygen (O), and hydrogen (H) are derived mainly from the atmosphere and water. Soil minerals and/or soil organic ...

The color of hydrangea flowers can change from pink to purple and blue by tweaking the soil. How do other plants react to those changes? Sydney Kozak explored just that. Her project, “Does changing ...

Wood ashes can be a valuable resource for amending garden soil. Anyone using a fireplace or wood stove knows that a large amount of wood ashes can accumulate over a heating season. When applied under ...

Changes in root architecture, induction of root-based transport systems and associations with beneficial soil microorganisms allow plants to maintain optimal nutrient content in the face of changing ...