Agriculture Reference
In-Depth Information
Figure 5.3. Some of the many different varieties of potatoes grown in Ecuador.
readily available in local markets. Nine of the more common potatoes are shown in
Figure 5.3. Although it appears that they are simply different sizes of the same
variety, this is not the case; each is a different variety. The different sizes, shapes,
and colors of potatoes are identifying characteristics of different varieties. For
example, the red color and white spots of gabriela and the black skin and yellowish
interior of leona negra makes these varieties instantly recognizable as different. Two
other interesting points are that leona negra is reputed to have medicinal properties
and some varieties, for example, chola, are sold both washed (to remove adhering
soil) and unwashed.
On the Ohio farm, Steve does not grow potato or any other root crop, including his
son in his garden.
5.2
INTRODUCTION
Root crops can be divided into three general groups: those that provide a large amount
of carbohydrate in the diet, those that are used as vegetables, and those that are used
primarily for flavor or as a garnish. Potatoes, sweet potatoes, cassava, yams, and taro
supply large amounts of carbohydrates in the diets of much of the world's population.
Beets, carrots, and turnips are used as vegetables in many parts of the world, and
garlic, onions, and ginger add flavor to many dishes including soups. In this
chapter we will only be considering those crops that provide large amounts of carbo-
hydrates in the diet. Vegetable root crops are discussed in Chapter 4.
Cassava is also called yuca (sometimes yucca) in North and South America [Axel Schmidt, CAIT (Centro
Internacional de Agricultura Tropical) personal communication].
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