Get Ready for the Soil Tour
Bring in your soil samples so that we can determine their quality. Tests will be done to determine the level of nitrogen, phosphorous, potassium, and pH.
November 28th, 2006 by phyoung
Posted in Global Science
Bring in your soil samples so that we can determine their quality. Tests will be done to determine the level of nitrogen, phosphorous, potassium, and pH.