Curated OER
Soil Fertility
Fertility in soil is the topic of this presentation. Future farmers will be able to define fertilizer, list ten essential soil elements, and describe the roles of both primary and secondary nutrients in plant production. Although there...
Curated OER
Chemistry Activity 29
In this chemistry worksheet, students write the balanced chemical equation for each. Then they calculate the mass of nitrogen dioxide created with specific amounts of nitrogen and oxygen. Students also identify how many grams of the...