Additionally, the results showed the trees are good at unpacking nutrients from stormwater. Scientists collected the water that drained from the bottom of the experimental pots for a period of two hours after watering. This water contained fewer undesired nutrients when it came from the planted soils. The unplanted soils actually leached nutrients. The different tree species did not show much difference in how many nutrients they removed from the stormwater. They all performed well in the study.