Plants need a variety of nutrients and minerals to grow and maintain overall health. The three main nutrients that plants require to survive and thrive are nitrogen, phosphorus, and potassium (also known as NPK). In this activity, students will extract nutrients from a soil sample and perform analyses to determine if nitrogen, phosphorus, and potassium concentration is abundant, adequate, or deficient.

Find problems with plants before they happen. In this kit, students can learn about the 3 main nutrients that contribute to plant health and how to measure their concentrations in soil. Kit contains enough materials to perform 50 tests.

Kit Includes:

5 x Soil Collection Bottles
5 x Plastic Scoops
5 x Pipettes
1 x 120mL Soil pH Indicator
1 x 120mL Nitrogen Extraction Solution
1 x 30g Nitrogen Indicator Powder
1 x 120mL Phosphorus Extraction Solution
1 x 30mL Phosphorus Reagent
1 x 15g Phosphorus Indicator Powder
1 x 120mL Potassium Reagent
1x 15g Potassium Indicator Powder