Potato: A History of the Propitious Esculent

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The potato—humble, lumpy, bland, familiar—is a decidedly unglamorous staple of the dinner table. Or is it? John Reader's narrative on the role of the potato in world history suggests we may be underestimating this remarkable tuber. From domestication in Peru 8,000 years ago to its status today as the world's fourth largest food crop, the potato has played a starring—or at least supporting—role in many chapters of human history. In this witty and engaging book, Reader opens our eyes to the power of the potato.

Whether embraced as the solution to hunger or wielded as a weapon of exploitation, blamed for famine and death or recognized for spurring progress, the potato has often changed the course of human events. Reader focuses on sixteenth-century South America, where the indigenous potato enabled Spanish conquerors to feed thousands of conscripted native people; eighteenth-century Europe, where the nutrition-packed potato brought about a population explosion; and today's global world, where the potato is an essential food source but also the world's most chemically-dependent crop. Where potatoes have been adopted as a staple food, social change has always followed. It may be "just" a humble vegetable, John Reader shows, yet the history of the potato has been anything but dull.

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Editorial Reviews

Peter Behrens
Using the potato as guide, mantra, fetish and structuring device, John Reader serves up a potato-centric history of the world. And a delicious, if not always entirely persuasive, dish it is.
—The Washington Post
"[This] accessible account embraces the latest scholarship and addresses the failings of previous works on the subject. Indeed the book, like the tuber it describes, fills a void: the spud now has the biography it deserves."—Economist
Irish Times

"Reader takes us on a kaleidoscopic journey . . . What we get . . . is a history of the world from the potato''s point of view."—Willa Murphy, Irish Times

— Willa Murphy

Sunday Times

"John Reader''s superb history traces the potato''s rise from mistaken identity to the basic food now cultivated in 149 countries."—Robert Collins, Sunday Times

— Robert Collins


"As a staple of the global diet, the potato is worth this digestible book . . ."—Iain Finlayson, Times

— Iain Finlayson

Conde Nast Traveller

". . . rarely has this kind of thing been done so well."—Giles Foden, Conde Nast Traveller

— Giles Foden

Country Life

". . . a fascinating tale. You''ll never eat a chip with the same indifference again."—Leslie Geddes-Brown, Country Life

— Leslie Geddes-Brown

Sunday Telegraph Stella Supplement

"A riveting new history . . ."—Toby Morison, Sunday Telegraph Stella Supplement

— Toby Morison

New York Post

"A very thorough historical treatment of the tuber."—Billy Heller, New York Post

— Billy Heller

Irish Times - Willa Murphy
"Reader takes us on a kaleidoscopic journey . . . What we get . . . is a history of the world from the potato's point of view."—Willa Murphy, Irish Times
Sunday Times - Robert Collins
"John Reader's superb history traces the potato's rise from mistaken identity to the basic food now cultivated in 149 countries."—Robert Collins, Sunday Times
Times - Iain Finlayson
"As a staple of the global diet, the potato is worth this digestible book . . ."—Iain Finlayson, Times
Conde Nast Traveller - Giles Foden
". . . rarely has this kind of thing been done so well."—Giles Foden, Conde Nast Traveller
Country Life - Leslie Geddes-Brown
". . . a fascinating tale. You'll never eat a chip with the same indifference again."—Leslie Geddes-Brown, Country Life
Sunday Telegraph Stella Supplement - Toby Morison
"A riveting new history . . ."—Toby Morison, Sunday Telegraph Stella Supplement
New York Post - Billy Heller
"A very thorough historical treatment of the tuber."—Billy Heller, New York Post
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Product Details

  • ISBN-13: 9780300171457
  • Publisher: Yale University Press
  • Publication date: 3/29/2011
  • Pages: 336
  • Sales rank: 693,454
  • Product dimensions: 5.90 (w) x 8.90 (h) x 1.00 (d)

Meet the Author

John Reader is a writer and photojournalist who holds an honorary research fellowship in the Department of Anthropology at University College London. He has travelled all over the world and now resides in Surrey, UK.
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Read an Excerpt



Yale University Press

Copyright © 2008 John Reader
All right reserved.

ISBN: 978-0-300-14109-2

Chapter One

To Mars from the Andes

When astronauts venture beyond the Earth's orbit to colonise Mars, potatoes, freshly harvested, will be a regular feature of their meals. The round trip will be a three-year enterprise and since carrying a sufficient weight of ready-made meals is impractical, the crew will grow their own vegetables, courtesy of a Bioregenerative Life Support System that the US National Aeronautic and Space Administration has been developing since the 1980s. The BLSS is a self-sustaining system that recycles the output of one generation of crops into the production of the next; it will offer astronauts a veritable 'salad bar' of fresh produce, including radishes, onions, lettuce, tomatoes, peppers and strawberries, but when it comes to providing dietary mainstays - both in space and on Mars - the potato will be especially prominent. Neither cereals nor pulses can match its generosity: the potato is the best all-round bundle of nutrition known.

And food is not all that the potato will give humanity's planetary explorers. In space a sustainable oxygen supply is also essential, and here the photosynthetic process in which plants absorb carbon dioxide and emit oxygen as they grow makes the potatoinvaluable. The conjunction is fortuitous indeed: in the enclosed environment of a spacecraft, a stand of potatoes large enough to provide as much as each person needs per day will also supply all the oxygen they must have and remove all the carbon dioxide they exhale.

For those who know about potatoes, NASA's demonstration of the plant's potential for keeping people alive and healthy in space and on Mars is simply another example of the plant's exceptional usefulness and adaptability. That these commonplace and down-to-earth tubers should be a vital component of humanity's venture into space is a sublime vindication of their worth. Trillions of dollars, billions of man-hours and the success of humanity's most ambitious and complex enterprise will ultimately depend upon the astronauts' ability to grow potatoes.

If the future of the potato stretches to Mars, its origins are firmly rooted in the Andes. The ancestral species grow wild there - hundreds of scraggly, undistinguished plants whose value as food is far from obvious. The foliage cannot be eaten because it is packed with poisonous glycoalkaloids; the tubers of most species are poisonous too, and small, so that it is difficult to imagine what might have initially encouraged people to experiment with them. Yet experiment they must have done, and archaeological evidence indicates that the process that ultimately produced edible cultivated potatoes began more than 8,000 years ago. Since then Andean farmers have raised hundreds of edible varieties - in fact, they have given over 1,000 names to the different potatoes they grow regularly, each known for its particular degree of productivity, palatability, temperature tolerance, disease and pest resistance, and storage quality. Many of the names are synonyms, but it is generally agreed that at least 400 distinct varieties of potato are grown in the Andes.

They fall into three broad groups, each suited to grow best at different altitudes on the ascending slopes. Between 3,000 and 3,500 metres, where rainfall and temperature are congenial, the varieties called papa maway produce good crops; between 3,500 and 4,000 metres the more hardy papa puna are grown; and above 4,000 metres only the frost-resistant papa ruki will thrive.

No one household grows all 400 varieties of potato, but each will customarily plant from among a local selection of thirty, forty or fifty varieties, and the selection itself varies with personal preference. Every farmer has firm opinions concerning which can be expected to produce the highest yields under specific conditions, which are most resistant to frost and disease, which keep longest, which are easiest to cook and which are most palatable; every member of his family probably could take twenty-five varieties at random from the store, and readily give the names and characteristics of each. This is not quite as difficult as its sounds, for the native potatoes (as they are generally known) bear only a slight resemblance to the ones we know. They come in a wide variety of shapes and colours. Long and thin, short and fat; conical, round, kidney-shaped, coiled - even concertina-shaped. Colours range from white to black, with all shades of red, yellow and blue in between; in a variety of patterns: spotted, striped, splashed, spectacled and stippled.

As agronomists and anthropologists have confirmed, human life and survival in the high Andes are intimately bound to the potato.

Where the road from Huancayo, high in the Peruvian Andes, made a hairpin bend and began its descent into the valley and the town of Huancavelica, road improvement work was under way. A track led away from the noise, up and across a meadow the sheep kept close-cropped, past a patch of oats, ripening and shoulder-high; over low stone walls that seemed to have come about as somewhere to put boulders cleared from the land, rather than as divisive features - up towards the scattering of fields and dwellings that goes by the name of Villa Hermosa. The slope was steep, and breathing was laboured for those unaccustomed to such exertion at more than 3,500 metres above sea level, but Marlene kept up a steady conversation with Armando Ramos, softly, in the Quechua language, catching up with news about his family and events locally, she said. It was late May, time to harvest potatoes, and Marlene had come to record details of the crop for a study on the role of the potato in low-income communities that was being conducted under the auspices of the Centro Internacional de Papa (the International Potato Center, most widely known by its acronym - CIP), an independent internationally funded scientific research organisation founded in 1971 with a mandate to increase food security and reduce poverty in the developing world, which has its headquarters in Lima, and a large research and field station in Huancayo. Identifying and preserving the genetic resources of the potato in its Andean homeland was another aspect of CIP's research programme to which the study was contributing.

Armando led the way to his compound - three buildings set horseshoe-fashion around an open yard. To the right, a low adobe hut thatched with straw; ahead, a larger mud-brick building with a pantile roof; and to the left, a double-storey house of similar construction but roofed with corrugated iron. Did the progression of roofs around the courtyard represent the improving fortunes of the family, one wondered. No, the 29-year-old Armando replied, the double-storey house was built as a necessity to provide additional accommodation when he got married a few years before. The others were already there; the pantiled one a store and the thatched adobe hut a kitchen, into which he now led us.

The hut had no windows, and with the only light coming through the door, the far interior was dimly illuminated. Aidé, Armando's 22-year-old wife, was seated at the fireplace that filled the far end, nursing the youngest of their three children. Her face caught the light, shining like copper, while her black hair and clothing merged into the sombre darkness of the walls and shadows behind her. We sat on the benches strewn with sacks and sheepskins that lined two walls of the hut; Armando took his baby daughter while Aidé served out mugs of a meat stew, and handed round a bowl of boiled potatoes - native potatoes, a novelty to the visitors, with their assorted shapes, deep eyes and variety of colours, but uniformly tasty once unpractised fingers had managed to remove the skins.

The harvest was late throughout the region that year, Armando explained, his potato fields were not ready yet, but one his father had planted out a few weeks earlier than most was ready - and he was expecting us. We walked a few minutes along the contour of the hill, past the pits where clay had been mixed with straw to make the mudbricks for Armando's house, past a horse grazing on a field of oat stubble, and whinnying to get at the sheaves of grain which stood, temptingly, just beyond the length of its tether, past the spring and small pool of beautifully clear water that supplied the Ramos households, and on to the field where sixty-year-old Juan Ramos, his wife Sofia (aged fifty-nine), and several of their children and grandchildren were harvesting potatoes.

Juan had planted between fifty and sixty varieties in a field behind his house early the previous November. Unseasonable frosts had damaged the plants in the early stages of growth, but they had recovered. This was because the mixture of varieties included some that were strong enough to withstand the frost, Juan explained, and also tall enough to lean over and protect their weaker brothers. The field was small; twenty ridged rows, each perhaps 20 metres long, but at the region's average rate of 5-6 tonnes per hectare, Juan and his family helpers could expect to harvest about 2 tonnes of potatoes that day. Not that they spoke in terms of areas, weights and average yields. Their appreciation of the crop was more direct. Juan was pleased with the tubers their ayachos (a short-handled mattock with a leaf-shaped blade that is wielded like a pick-axe) were uncovering. The crop could have been much worse. Neighbours over the hill were harvesting tubers the size of sheep droppings, he said with a sly laugh. But look at these: big as a bull's cojones!

Juan told us the local Quechua names of the twelve different varieties that he had dug from just 5 metres of ridge - all related in some way to the colour or shape of the tuber. Among them Waka qallu - cow's tongue; Quwi sullu - guinea pig fetus; Puka pepino - red cucumber; and Papa Ilunchuy waqachi - the potato that makes the new bride weep because it is so difficult to peel. He cut open some tubers to show us the red and purple flesh that distinguished some varieties but it was his hands, in contrast with the fresh-cut potatoes, that left the strongest impression - working hands, with thick distorted fingernails and encrusted skin, such as VincentVan Gogh would have known when he painted The Potato Eaters in 1885.

Papa Ilunchuy waqachi is a severe test for any girl wanting to impress her prospective mother-in-law, though conditions are testing for anyone trying to scratch a living from the Andean highlands - or from any of Peru's rural environments, for that matter. Peru has one of the most difficult and demanding landscapes in the world. For a start, only 3 per cent of its land surface is suitable for growing food crops, compared with 21 per cent in the United States and over 30 per cent in Europe. And the problems of inadequate arable land are intensified in Peru by the extremes of its three distinct geographical regions: the arid coastal plain, the snow-capped Andean chain and the lush tropical forest.

Indeed, Peru is a land of extremes and paradox. Rainfall is almost non-existent on the coast, overabundant in the tropical forest and highly variable in the mountains. Paradoxically, the arid coastal plain is the country's most productive agricultural region, since the narrow desert strip (90 kilometres wide and 1,800 kilometres long) is cut through by some fifty rivers that drain the Andes into the Pacific Ocean. Over a million litres per second rush off the western slopes of the Andean chain. The river valleys lie like green snakes across the drab grey desert, with irrigation canals carrying their waters to farms and extensive plantations of sugar and cotton. Thus the region with least rainfall contributes far more to national production than the lush tropical forest - which gets most. In terms of productivity (as well as geography) the Andean highlands fall between these two extremes, but are especially important as they contain virtually all the country's rain-fed agricultural land and are a vital source of food crops - including, of course, potatoes.

Ten million people (36 per cent of Peru's population) live in the Andes at altitudes of 3,000 metres and above. The majority are the Quechua descendants of the hunters and gatherers who first established a human presence in the mountains, 12,000 years ago. It was they who first domesticated the potato, they who created the Inca empire, and were cruelly reduced to less than 10 per cent of their number by the Spanish conquest and the diseases it introduced. Their descendants are a resilient stock who came through that genetic bottleneck with a stoic and unhurried capacity for survival that persists to this day.

The towns are in the valleys, but the valleys containing major centres such as Cuzco, Ayacucho, Huancayo and Huancavelica are already more than 3,000 metres above sea level, while the majority of the population lives in farming communities at even higher elevations on the slopes and plateaux above. Theirs is an exceptionally demanding environment, where solar radiation is intense but temperatures generally low. Snow and forsts are seasonally frequent, but rainfall erratic, and, most limiting of all from a human point of view, oxygen pressure is far lower than at sea level. New arrivals always feel distressingly short of breath, and many are stricken with severe headaches and nausea. They tire easily, sleep badly and may experience disconcerting bouts of mental disorientation. Their bodies adapt after a while, but never completely. Even years of living at altitude will not enable migrants to match the work capacity of the Quechua who were born and raised there.

On Juan's field, the harvesting continued. Three, four, five hefty blows of the ayacho broke the crust of soil, the dried haulm was lifted and shaken free, the potatoes detached and set in a neat pile on the cleared ridge. Then on to the next. Juan and his nephew were wielding the ayachos, his wife and Armando were gathering the potatoes and cousin Estelle was following up behind with a plastic sheet onto which she collected about 15 kilos of tubers before neatly gathering in the corners and transforming the sheet into a sling that served to carry them to the pile beside the field. Back and forth she went, the ayachos thudding into the dry hard soil; they stopped for a swig of water now and then, but there was little conversation; Juan occasionally refreshed the wad of coca leaves he chewed from dawn to dusk. Estelle's four-year-old son had been chasing chickens in the yard, then he came to his mother and promptly fell asleep on the harvested ground, sprawled face up in the open sun until his mother, sweating and breathing hard, fetched a jacket to lay over his face. In one hour she collected and carried 150 kilos of potatoes from the field.

Meanwhile, the bulldozers and earthmovers working on the road a few hundred metres below had cut and shifted many tonnes from the hairpin bend they were widening. Throughout the morning the syncopating thud of the ayachos was backed by the hum and squeals of machinery. Like a piece of modern music, one might say, but more an eloquent reminder of how little can be achieved by human labour in the modern world. Worthy, yes, but arduous and so very slow. Most of these lands were brought into cultivation before even draught animals and the wheel were introduced to the Andes, and the topography puts a lot of agricultural land beyond the use of machinery anyway. A tractor could never reach the high and steep-sloping fields, and oxen could never plough them - even for those who could afford to buy and maintain such things.

Human muscle power created the thousands upon thousands of neat ridged rectangles that are scattered throughout the high Andes - muscle assisted only by the taclla, a spade-like foot plough with a narrow blade and a handle set low on the shaft to ease the job of lifting and turning the heavy soil. The Inca are said to have invented the taclla as a means of increasing agricultural productivity as their empire expanded in the fifteenth and early sixteenth centuries. Along with the taclla the Inca introduced a new order to the Andes, one which harnessed a substantial fraction of all available muscle power to the service of the state and established an ominous precedent. Pre-existing traditional customs which obliged families and villagers to work cooperatively among themselves, giving and receiving labour as required, were formalised into mandatory public service known as mita - from the Quechua mit'a, which means a turn or a season.


Excerpted from POTATO by JOHN READER Copyright © 2008 by John Reader. Excerpted by permission.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.

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Table of Contents


List of Plates....................xv
Part One: SOUTH AMERICA....................1
1. To Mars from the Andes....................3
2. What exactly is a potato?....................21
3. Domestication....................29
4. Whence have they come?....................39
5. A dainty dish....................61
Part Two: EUROPE....................75
6. The lonely impulse of delight....................77
7. The way it was....................93
8. The demoralising esculent....................111
9. Where the praties grow....................131
10. Seeds of famine....................153
11. Woe the sons of Adam!....................169
Part Three: THE WORLD....................189
12. The fatal malady....................191
13. Co-opting science....................213
14. Men on a mission....................231
15. Global voyage....................241
16. Developing worlds....................253
17. For the price of apples....................265
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