Crop Rotations in Sustainable Production Systems

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Abstract
Crop rotations and biological diversity long have been cornerstones of successful, traditional agricultural production systems. Rotations received concentrated interest during the first half of this century. Some research continued through the past several decades, yet the introduction of relatively inexpensive nitrogen after World War II provided an economically attractive alternative to farmers and a focus for university research and extension. Many producers today equate soil fertility with rates of applied fertilizer. It is important to explore further the potentials of rotation effects as they contribute to sustainable agricultural production system.

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