Wikipedia provides a definition of crop rotation, including a brief history and examples.

In this environmental science fair project, students will build models of fields prepared by plow-based and no-till methods, and see which ones are best at retaining soil moisture and preventing surface runoff.

A curriculum focusing on food production and consumerism.

Investigate the change in American society and slavery with the advent of the agricultural innovation of crop rotation. Observe nutrient depletion as you germinate and grow nutrient-demanding seedlings.