The length of the rotation may vary from a two-course or two crop rotation to one of several courses.
It is a reasonable expectation that the application will serve through a crop rotation of four or five years.
The crop rotation for the average cotton farmer should include oats, corn, some cotton, and at least one leguminous crop.
The old forms of crop rotation with fallow periods were often displaced by legume-rotation field-grass agriculture.
On all sides there was heard a strange language of silos, separators and crop rotation.