International Sugar Journal

Why are yields of sugarcane not increasing as much as sugar beet (or other crops)?* [Full subscriber]

Abstract         Average worldwide farm-realised yield of sugar beet has increased by approximately 250% since 1961, while that for sugarcane has increased less than 50% over the same period.  The yield increase of sugar beet is within the range observed in other major crops, while that of sugarcane is much less.  Genetic improvement through breeding has made a major contribution to gains observed in the major crops since the 1960s.  In sugarcane it has been suggested that factors associated with sugarcane monoculture may be at least partly responsible for slow yield increases.  However, there is no evidence that such factors have…

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