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Yields of many farm crops can be substantially increased through an integrated, systematic, multiinterdisciplinary approach to overcoming limiting factors. Additive effects for combinations of limiting factors which are overcome are obtainable. Thus, as an example, if ten different limiting factors are each simultaneously eliminated and if each alone limited yield by ten percent, the result would be a phenomenal 2.6‐fold yield increase. Many world experiences are indicating that this is so. The next agricultural revolution will take advantage of this phenomenon and the revolution will come faster than the genetic revolution in agriculture which is on the way.
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A. Wallace (1984) studied this question.
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