Water and nutrient leaching

In this activity, students demonstrate how substances are dissolved and transported by water through the soil.

By the end of this activity, students should be able to:

• demonstrate the leaching of a substance through sand (soil)

• explain how irrigation and rain can affect nitrate and phosphate leaching.

Water and nutrient leaching

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This is a simple and quick activity to show how too much water can result in the leaching of fertilisers.

Rights: The University of Waikato Te Whare Wānanga o Waikato

Referencing Hub media

Download the Word file (see link below) for:

• introduction/background notes

• what you need

• what to do

• discussion questions

• student handout.