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Article #4: How is tobacco cultivated

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Sowing handfuls, and pass these to the
Tobacco seeds are scattered onto the "stringer", who loops twine around the
surface of the soil, as their germination handfuls of tobacco and hangs them on a
is activated by light. In colonial long wooden square pole. Traditionally,
Virginia, seedbeds were fertilized with the croppers, down in the dark and wet,
wood ash or animal manure (frequently with their faces getting slapped by the
powdered horse manure). Seedbeds were huge tobacco leaves, were men, and the
then covered with branches to protect the stringers seated on the higher elevated
young plants from frost damage. These seats were women. The harvester has
plants were left to grow until around places for 4 teams of workers: 8 people
April. cropping and stringing, plus a packer who
In the nineteenth century, young plants takes the heavy strung poles of wet green
came under increasing attack from the tobacco from the stringers and packs them
flea beetle (Epitrix cucumeris or Epitrix onto the pallet section of the harvester,
pubescens), causing destruction of half plus a driver, making the total crew of
the United States tobacco crop in 1876. each harvester 10 people. Interestingly,
In the years afterward, many experiments the outer seats are suspended from the
were attempted and discussed to control harvester - slung out over to fit into
the flea beetle. By 1880 it was the aisles of tobacco. As these seats are
discovered that replacing the branches suspended it is important to balance the
with a frame covered by thin fabric would weight of the 2 outside teams (similar to
effectively protect plants from the a playground see-saw). Having too heavy
beetle. This practice spread until it or light a person in an unbalanced
became ubiquitous in the 1890s. combination often results in the
Today, in the United States, unlike other harvester tipping over especially when
countries, tobacco is often fertilized turning around at the end of a lane.
with the mineral apatite in order to Water tanks are a common feature on the
partially starve the plant for nitrogen, harvester due to heat, and danger of
which changes the taste. This (together dehydration for the workers. Salt tablets
with the use of licorice and other sometimes get used as well.
additives) accounts for the different Pests
flavor of American cigarettes from those Pests of tobacco include the moths
available in other countries. There is, Endoclita excrescens, Manduca sexta (the
however, some suggestion that this may Tobacco hornworm), and Manduca
have adverse health effects attributable quinquemaculata. Other Lepidoptera whose
to the polonium content of apatite. larvae use tobacco as a food plant
Transplanting include Angle Shades, Cabbage Moth, Mouse
After the plants have reached a certain Moth, Nutmeg Moth, Setaceous Hebrew
height, they are transplanted into Character and Turnip Moth. The dry
fields. This was originally done by tobacco leaves and cigarettes are
making a relatively large hole in the sometimes used as food for the Cigarette
tilled earth with a tobacco peg, then Beetle (Lasioderma serricorne).
placing the small plant in the hole. Cut plants or pulled leaves are
Various mechanical tobacco planters were immediately transferred to tobacco barns
invented throughout the late 19th and (kiln houses), where they will be cured.
early 20th century to automate this Curing methods varies with the type of
process, making a hole, fertilizing it, tobacco grown, and tobacco barn design
and guiding a plant into the hole with varies accordingly. Air-cured tobacco is
one motion. hung in well-ventilated barns and allowed
Topping and suckering to dry over a period of weeks. Fire-cured
Once the tobacco plants are growing well, tobacco is hung in large barns where
they will begin to produce shoots from smoldering fires of hardwoods are kept
the joint of each leaf with the stalk. burning. Flue-cured tobacco was
These secondary shoots — known as originally strung onto tobacco sticks,
"suckers" — are undesirable as they which were hung from tier-poles in curing
divert energy that could be directed into barns (Aus: kilns, also traditionally
the leaves. They are removed in a process called Oasts). These barns have flues
known as "suckering" (sometimes spelled which run from externally-fed fire boxes,
"succoring" in older writing). Generally heat-curing the tobacco without exposing
this is done by hand several times during it to smoke. Traditional curing barns in
the season. Recently anti-suckering the U.S. are falling into disuse, as the
compounds have come into use. trend toward more efficient prefabricated
At a certain stage of maturity, the plant metal "bulk bars", allows greater
will produce a flower cluster from its efficiency. Curing and subsequent aging
tip, as well as the tips of any suckers allows for the slow oxidation and
that remain on the plant. In order to degradation of carotenoids in tobacco
divert more energy into the leaves, the leaf. This produces certain compounds in
plant is "topped" — the top is cut off. the tobacco leaves very similar and give
Tobacco is harvested in one of two ways. a sweet hay, tea, rose oil, or fruity
In the oldest method, the entire plant is aromatic flavor that contribute to the
harvested at once by cutting off the "smoothness" of the smoke. Starch is
stalk at the ground with a curved knife. converted to sugar which glycates protein
In the nineteenth century, bright tobacco and is oxidized into advanced glycation
began to be harvested by pulling endproducts (AGEs), a caramelization
individual leaves off the stalk as they process that also adds flavor. Inhalation
ripened. The leaves ripen from the ground of these AGEs in tobacco smoke
upwards, so a field of tobacco may go contributes to atherosclerosis and
through several "pullings" before the cancer.
tobacco is entirely harvested, and the Unaged or low quality tobacco is often
stalks may be turned into the soil. flavoured with these naturally occurring
"Cropping" or "pulling" are terms for compounds. Tobacco flavoring is a
pulling leaves off tobacco. Leaves are significant part of a multi-million
cropped as they ripen, from the bottom of dollar industry.
the stalk up. The first crop at the very The aging process continues for a period
bottom of the stalks are called "sand of months and often extends into the
lugs", as they are often against the post-curing process.
ground and are coated with dirt splashed Post-cure processing
up when it rains. Sand lugs weigh the After tobacco is cured, it is moved from
most, and are most difficult to work the curing barn into a storage area for
with. Originally workers cropped the processing. If whole plants were cut, the
tobacco and placed it on mule-pulled leaves are removed from the tobacco
sleds. Eventually tractors with wagons stalks in a process called stripping. For
were used to transport leaves to the both cut and pulled tobacco, the leaves
stringer, an apparatus which uses twine are then sorted into different grades. In
to sew leaves onto a stick . colonial times, the tobacco was then
Some farmers use "tobacco harvesters" - "prized" into hogsheads for
basically a trailer pulled behind a transportation. In bright tobacco
tractor. The harvester is a wheeled sled regions, prizing was replaced by stacking
or trailer that has seats for the wrapped "hands" into loose piles to be
croppers to sit on and seats just in sold at auction. Today, most cured
front of these for the "stringers" to sit tobacco is baled before sales under
on. The croppers pull the leaves off in contract.






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