Posts Tagged ‘Soil Horizon’

Soils and AP Science

Tuesday, October 9th, 2012
Look at these scientists! Lead by AP science teacher, Nancy Bridge, these students measured the amount of NPK (nitrogen, phosphorus, and potassium) present in five different soil types. Did you know they could do that? When I want to know the levels of NPK, I send soil samples to the soil scientist at the university. Skip the university - in Mrs. Bridge’s class, the students get to do it themselves. How cool is that? (more…)