Page:Tree Crops; A Permanent Agriculture (1929).pdf/128



As with any other little-used crop, the exact range over which the mulberry can eventually spread is today unknown. For example: Kansas seems to have some mulberry territory and some that is not mulberry territory. But there is every reason to expect that breeding can extend this crop.

There is little doubt that at least a million square miles of the United States, and in the most populated parts of the country, are now capable of producing crops of fruit from the everbearing strains of this remarkable tree. Fortunately two of the commoner varieties, the Downing and the New American, originated in New York.

The price stability of the mulberry should be emphasized in a country where so many commodities find markets that are