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The "Quillota" Cactus

After inspecting a field like this, one has no hesitancy in accepting the statement that the new growth of slabs and fruit on an acre of perfected Opuntias may amount to 150 tons in a season. It may be questioned whether there is any other type of vegetation that transforms inorganic into organic matter at such an astounding rate.

The Quillota Cactus

This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 8 Chapter 7