Students learn how pH affects nutrient uptake in plants. Students then measure the pH in soil samples and determine if/how their soil should be modified through soil amendments. Developed by National Ag in the Classroom, this grade 9-12 resource is linked to curriculum outcomes.

You can view the lesson plan here or browse the Matrix for more Ag-related, curriculum-linked lesson plans.

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Source: National Agricultural Literacy Curriculum Matrix

Image: Eric Gillingham, Flickr