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6.4: Horticulture

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    “Yams are persons with ears. If we charm they hear.” – Alo, Trobriand Island farmer[19]

    Have you ever grown a garden in your backyard? How much time did you put into your garden? How much of your diet did the garden yield? People whose gardens supply the majority of their food are known as horticulturalists. Horticulture differs in three ways from other kinds of farming. First, horticulturalists move their farm fields periodically to use locations with the best growing conditions. For this reason, horticulture is sometimes known as shifting cultivation. Second, horticultural societies use limited mechanical technologies to farm, relying on physical labor from people and animals, like oxen that may be used to pull a plow, instead of mechanical farm equipment. Finally, horticulture differs from other kinds of farming in its scale and purpose. Most farmers in the United States sell their crops as a source of income, but in horticultural societies crops are consumed by those who grow them or are shared with others in the community rather than sold for profit.

    Definition: horticulture

    A subsistence system based on the small-scale cultivation of crops intended primarily for the direct consumption of the household or immediate community.

    Horticultural societies are common around the world; this subsistence system feeds hundreds of thousands of people, primarily in tropical areas of south and central America, Southeast Asia, and Oceania. A vast array of horticultural crops may be grown by horticulturalists, and farmers use their specialized knowledge to select crops that have high yield compared to the amount of labor that must be invested to grow them. A good example is manioc, also known as cassava. Manioc can grow in a variety of tropical environments and has the distinct advantage of being able to remain in the ground for long periods without rotting. Compared to corn or wheat, which must be harvested within a particular window of time to avoid spoiling, manioc is flexible and easier to grow as well as to store or distribute to others. Bananas, plantains, rice, and yams are additional examples of popular horticultural crops. One thing all these plants have in common, though, is that they lack protein and other important nutrients. Horticultural societies must supplement their diets by raising animals such as pigs and chickens or by hunting and fishing.

    Image of bean plants growing up the stalk of a corn plant
    Figure \(\PageIndex{1}\): Bean plants grow up the stalk of a corn plant, while squash vines grow along the ground between corn stalks, inhibiting weed growth, an innovative technique developed by indigenous farmers in the Americas thousands of years ago.

    Growing crops in the same location for several seasons leads to depletion of the nutrients in the soil as well as a concentration of insects and other pests and plant diseases. In agricultural systems like the one used in the United States, these problems are addressed through the use of fertilizers, pesticides, irrigation, and other technologies that can increase crop yields even in bad conditions. Horticulturalists respond to these problems by moving their farm fields to new locations. Often this means clearing a section of the forest to make room for a new garden, a task many horticulturalists accomplish by cutting down trees and setting controlled fires to burn away the undergrowth. This approach, sometimes referred to as “slash-and-burn,” sounds destructive and has often been criticized, but the ecological impact is complex. Once abandoned, farm fields immediately begin to return to a forested state; over time, the quality of the soil is renewed. Farmers often return after several years to reuse a former field, and this recycling of farmland reduces the amount of forest that is disturbed. While they may relocate their farm fields with regularity, horticulturalists tend not to move their residences, so they rotate through gardens located within walking distance of their homes.

    Horticulturalists practice multi-cropping, growing a variety of different plants in gardens that are biodiverse. Growing several different crops reduces the risk of relying on one kind of food and allows for intercropping, mixing plants in ways that are advantageous. A well-known and ingenious example of intercropping is the practice of growing beans, corns, and squash together. Native American farmers in the pre-colonial period knew that together these plants, sometimes called “the three sisters,” were healthier than they were if grown separately. Rather than completely clearing farmland, horticulturalists often maintain some trees and even weeds around the garden as a habitat for predators that prey on garden pests. These practices, in addition to skillful rotation of the farmland itself, make horticultural gardens particularly resilient.

    FOOD AS POLITICS

    Because daily life for horticulturalists revolves around care for crops, plants are not simply regarded as food but also become the basis for social relationships. In the Trobriand Islands, which are located in the Solomon Sea north of Papua New Guinea, yams are the staple crop. Just as a Maasai pastoralist gains respect by raising a large herd of animals, Trobriand Island farmers earn their reputations by having large numbers of yams. However, this is not as easy as it might seem. In Trobriand Island society every man maintains a yam garden, but he is not permitted to keep his entire crop. Women “own” the yams and men must share what they grow with their daughters, their sisters, and even with their wives’ family members. Other yams must be given to the chief or saved to exchange on special occasions such as weddings, funerals, or festivals. With so many obligations, it is not surprising that the average man would have trouble building an impressive yam pile on his own. Fortunately, just as men have obligations to others, so too can they expect gifts from their sisters’ husbands and their friends in the community.

    A large pile of yams, displayed proudly in a man’s specially constructed yam house, is an indication of how well he is respected by his family and friends. Maintaining these positive relationships requires constant work, and men must reciprocate gifts of yams received from others or risk losing those relationships. Men who are stingy or mean spirited will not receive many yams, and their lack of social approval will be obvious to everyone who glances at their empty yam houses. The chief has the largest yam house of all, but also the most obligations. To maintain the goodwill of the people, he is expected to sponsor feasts with his yam wealth and to support members of the community who may need yams throughout the year.

    So central are yams to Trobriand Island life that yams have traditionally been regarded not as mere plants, but as living beings with minds of their own. Farmers talk to their yams, using a special tone and soft voice so as not to alarm the vegetables. Men who have been initiated into the secret practices of yam magic use incantations or magical charms to affect the growth of the plants, or alternatively to discourage the growth of a rival’s crop. Yams are believed to have the ability to wander away from their fields at night unless magic is used to keep them in place. These practices show the close social and spiritual association between farmers and their crops.

    CIVILIZING BEANS

    Beans are often associated with gastrointestinal problems, namely flatulence. It turns out that this is related to the history of the domestication of the bean. Beans, along with maize and squash, were one of the most important crops domesticated by Native Americans in the New World. The benefits of eating beans are best understood when viewed in relation to maize cultivation. From a purely nutritional point of view, beans are a good source of protein while corn is not. Corn is also deficient in the essential amino acids lysine and tryptophan. Eating maize and beans together provides more protein for hardworking farmers. In addition, maize and beans have a mutually beneficial relationship in the garden. Thanks to a symbiotic relationship with a bacteria known as Rhizobium, beans and almost all legumes fix usable nitrogen in the soil, increasing fertility for other plants grown nearby. When intercropped, maize benefits from this nitrogen fixing, and beans benefit from being able to attach their vines to the strong stalks of the maize. Squash, which grows large leaves that spread widely across the ground, are also beneficial to intercrop with maize and beans because the leaves reduce pest and weed invasion by providing ground cover.

    Despite being nutritious and useful in the garden, beans were domesticated relatively late. In Mexico, there is evidence of bean domestication around 1000 BC, a thousand years later than the domestication of corn.[20] This is probably because of the gastrointestinal problems that come with eating beans. The flatulence is the result of certain chemicals found in the wild beans that were ancestral to today’s domesticated species. The lack of digestibility surely made beans an unappetizing food in early human communities. However, soaking beans before cooking them and then boiling them over direct heat for several hours reduces these chemicals and makes beans much easier to stomach. The ability to boil water was the key to bringing beans to the table.

    Image of a culinary shoe pot used for cooking beans
    Figure \(\PageIndex{2}\): A Culinary Shoe Pot from Oaxaca, Mexico. Courtesy of the Burke Museum of Natural History and Culture, Catalog Number 2009-117/536

    Archaeological studies in Central America have revealed that the invention of a particular type of pottery known as the “culinary shoe pot” may have been the technological breakthrough needed to boil beans. The pots are used by placing the “foot” of the pot in the coals of a fire so heat can be transmitted through the vessel for long periods of time. Pots of this design have been found in the archaeological record throughout Central America in sites dating to the same period as the beginning of bean domestication and pots of similar design continue to be used throughout that region today. This example demonstrates the extent to which the expansion of the human diet has been linked to innovations in other areas of culture.

    Image of clay cooking pots on a fire in Suriname; the design is similar to the culinary shoe pot.
    Figure \(\PageIndex{3}\): Clay Cooking Pots in the Republic of Suriname. Courtesy of Karina Noriega. All rights reserved.

    NOTES

    1. R. F. Fortune, Sorcerers of Dobu: The Social Anthropology of the Dobu Islanders of the Western Pacific (London: G. Routledge and Sons, 1963 [1932]),107-109.
    2. For more information about the archaeological evidence for the timing of bean domestication, see Michael Blake, John E. Clark, Barbara Voorhies, George Michaels, Michael W. Love, Mary E. Pye, Arthur A. Demarest, and Barbara Arroyo, “Radiocarbon Chronology for the Late Archaic and Formative Periods on the Pacific Coast of Southeastern Mesoamerica,” Ancient Mesoamerica 6 (1995):161–183. Another useful source is Lawrence Kaplan and Thomas F. Lynch, “Phaseolus (Fabaceae) in Archaeology: AMS Radiocarbon Dates and their Significance for Pre-Columbian Agriculture,” Economic Botany 53 no. 3(1999): 261-272. There is also interesting linguistic evidence that the word for bean entered the Mayan language around 3400 BC. For more information, see Cecil H Brown, “Prehistoric Chronology of the Common Bean in the New World: The Linguistic Evidence.” American Anthropologist 108 no.3 (2006): 507-516

    Adapted From

    "Subsistence" by Isaac Shearn, Community College of Baltimore County. In Perspectives: An Open Invitation to Cultural Anthropology, 2nd Edition, Society for Anthropology in Community Colleges, 2020, under CC BY-NC 4.0.


    6.4: Horticulture is shared under a CC BY-NC license and was authored, remixed, and/or curated by LibreTexts.

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