Curated OER
That's Kind of Corny!
Students apply math skills to determining how much corn seed to plant in 100 acres. They compute the amount of weed killer needed and after totaling how many bushels per acre they harvest, they calculate their profits.
Other
North Dakota State University: Managing the Risks
An in-depth look at the risks of using anhydrous ammonia as an agricultural fertilizer. Provides plenty of safety and equipment information, as well as exposure, transport, and storage guidelines.