Growth and development of pigs
What do you know about pigs? Pigs are one of the largest consumers of soybeans! In this unit, students explore the habitat, growth, and feed of pigs.
pH in soil
What is the variability in pH of soils across a field? Soil tests show the pH and nutrient amounts in a field. Soil chemistry determines the amount of root growth, the amount of nutrients that can be held in the soil, and the ability of plants to take in …
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