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The Complete Handbook of Potatoes
A Field Guide for Growers, Buyers, and Processors: Selection, Storage, and Troubleshooting from Seed to Table
by Alumigogo Books
Chapter 1: Understanding Potatoes
Potatoes are not a vegetable. They are a swollen underground stem, a storage organ built by the potato plant to survive a harsh season, and every practical decision you make - from how deep to plant to what temperature to hold them at - is a negotiation with that biological imperative. Understanding this one fact separates those who get a reliable crop from those who get disappointing mush in the bag.
A potato tuber is an engineered system. It is a mass of parenchyma cells, packed with starch granules, water, and a complex network of proteins and enzymes. Surrounding them is a protective skin, the periderm, which must be "set" or cured after harvest to be an effective barrier. On the surface, you have eyes - actually buds, each one capable of growing into a new plant. The tuber's primary job is not to be food for you; it is to be a food store for the next generation. The potato plant creates tubers, fills them with energy, and then waits. Your entire professional life with this crop is a matter of either encouraging that process or interrupting it at the precise right moment.
Look at the lifecycle of the plant. It starts with a seed tuber - the piece of potato you plant. That piece is not a seed. It is a living, functioning stem with a supply of energy and moisture. When soil temperature reaches about 7-13°C (45-55°F), the eyes begin to sprout. This