Rotations have historically been used to alleviate pest problems in crop production. This paper considers methods of modeling rotations in linear programming models for Southeastern vegetable production. In such models, entering each possible crop rotation as a separate activity can be...

A number of methods have been employed to estimate the production increases obtained from supplementary irrigation. Details of these methods and some of the disadvantages from which they suffer will be discussed later. Suffice it to say at this stage that, in the opinion of this author the...