Students could replicate the experiment using cress, but instead of focusing on the soil uptake, give the plants different quantities of fertiliser in their soil to test its effect on growth.

They can also make a chart of the plant’s growth. Try a scavenger hunt. Once the garden begins to bloom, set kids off on a scavenger hunt. Have younger children find simple items like a big ...

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 ...

Students could replicate the experiment using cress, but instead of focusing on the soil uptake, give the plants different quantities of fertiliser in their soil to test its effect on growth.