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If you've bought my book, then you know that the subject - saving the banana from a disease that currently threatens it - has, as its background, the notion of monoculture: relying on a single crop, rather than diverse ones, leaving that crop open to all-in-one-blow disasters.

One way to expand bananas beyond the modern monoculture would be to recognize that the fruit is usable for other products. One of the most intriguing of these is paper. The banana "tree" isn't a tree at all - it is a giant herb. That means a lot of things (for example, a banana plant has no bark), but for the sake of making paper, the big advantage is this: a banana plant grows like crazy. A productive plantation can see tiny stems reach as high as twenty feet in a single year. Each "tree" produced one bunch - about 150 individual bananas - of fruit per year; it then gives "birth" to another tree. The process can continue virtually forever. The big question has been what to do with those giant trees, which quickly fall over one they've fruited, and usually are discarded after they've been.