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Integrated Systems
NORTH CENTRAL REGION
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Researchers studying Amish
farmers in Ohio point to their farm diversity as a key factor
in their economic success.
Photo by Richard Moore. |
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When he heard about a neighbor's plans to build a new house abutting his farm's
"back 40," Amish farmer Leroy Kuhns underwent some real soul-searching. He loved
the view of the eastern Ohio woods his back field provided and the quiet respite
from his daily labors. The prospect of a new house alarmed him enough to make
him consider uprooting his family from their Amish homestead.
In the end, Kuhns decided he would have to live with the new house encroaching
on his property. The land where he lived and worked had been "too good to him"
for him to leave it, privacy or no privacy.
The house was never built. But the anecdote illustrates the tie most Amish farmers
feel to the land that sustains them. Kuhns and other Amish farmers "have a sense
of connection with their place and the land that supports them that really seems
to be an ingredient in sustainability," says Deborah Stinner, an Ohio State
University researcher studying the Amish community.
Under the auspices of a SARE grant, Stinner and colleague Richard Moore are
analyzing the farming systems of the Holmes County Amish--the world's largest
such group--to find concepts and practices relevant to mainstream farmers. The
holistic view incorporated by Amish farmers include economic well-being, use
of environmentally sound farming practices and, above all, a healthy, happy
and productive quality of life that integrates family and community.
"We want to find out what we can learn that might help others not of this culture,"
says Stinner, an agro-ecologist who has worked with Amish families since the
mid-1980s. "In many ways, these people are living as our ancestors lived by
fostering community cooperation, which we left behind as we moved into more
industrialized agriculture. This is an opportunity to look back and evaluate
how sustainable that is."
Stinner and Moore have homed in on three Amish farms that, typically, integrate
a mixture of crops with a dairy operation. The largest field is 12 acres, the
smallest, contour strips of 1.5 acres. The researchers have immersed themselves
in the Amish farming life, working alongside the men and women to pick up clues
to the farms' successes.
Already, the study has turned up some intriguing lessons for farmers seeking
to make their operations more sustainable. Economic studies indicate high levels
of efficiency for the Amish farms. The three Amish families kept an average
of 47 percent of their gross income as profit over the two years of the study,
compared to 23 percent for a group of five non-Amish grazing dairies with herds
ranging from 39 to 175 cows.
The Amish farmers use low levels of purchased fertilizer, yet regularly test
at desirable soil fertility levels. Finally, a shared labor ethic among Amish
farmers creates strong bonds between extended families, church groups and community
lines drawn along physical boundaries such as watersheds.
The Klein family, for example, milks 27 cows, yet produces as much profit as
a 150-cow operation in an average year by processing and selling cheese. The
Kleins use just the herbicide atrazine in their corn crop, with no purchased
fertilizers, yet produce yields that shocked the research team.
"The families we're working with have small herds, but make as much money in
some years as non-Amish farmers milking large herds," Stinner says. "These are
very important results; it tells us there can be real efficiency in the smaller
scale."
The Amish retain a sense of closeness to the land that begins in childhood.
Schoolchildren recite butterfly names as easily as the alphabet. As farmers,
the Amish divide their land into "environmental zones" to manage the plots as
natural resources and soil types dictate. A study analyzing the ratio of applied
purchased fertilizer to chemical runoff showed all three farms are close to
a balance, operating at high levels of nutrient efficiency. The farmers also
try to retain land best suited for wildlife.
"To be on one of the farms in the middle of the summer is to see the number
of species that really exist out there in nature," says Moore, an anthropologist.
"Their farms are not dull, dry places."
Extended families, which usually live together, share the farm work. Most families
plant crops to guarantee an even work flow throughout the year, such as following
field corn with sweet corn to prolong the harvest season.
What really sets Amish farming communities apart is how neighbors will pitch
in as needed to get a job done.
To keep farms viable across generational lines, most Amish designate a single
heir to inherit the operation. This approach retains full-size farms, even though
it singles out one child to carry on the tradition. Farm transfers generally
are handled within a family with trust and love, Moore says.
"Quality of life is based on the values of a community," he says. "In their
case, they balance community and family and the economic situation within the
family. They are successful at transferring farms because they think through
how changing the size of the farm will impact that transfer."
Interest in the project abounds. The United Nations invited Stinner and Moore
to contribute a piece about Amish sustainability for a book on biodiversity,
and the team is considering writing a book on Amish agriculture.
In the meantime, they hope the study will encourage people to think about how
they might create a more integrated system on their farms and ranches. "These
are not low-production farms," Stinner says. "But they work much more within
nature's ecological principles and practices." -- Valerie Berton
NORTHEAST
REGION
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A dairy producer who replaced
insecticides with beneficial predators dramatically cut back
on face flies.
Photo by Valerie Berton. |
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The last decade has seen phenomenal growth in Vermont's organic dairy farming
industry. The timing couldn't have been better for Enid Wonnacott of the Northeast
Organic Farming Association of Vermont to help farmers who wanted to convert to
a system that could offer profits while reducing impacts on the environment.
So little research had gone into organic dairying and the industry was so new,
farmers who wanted to convert to organic had many questions.
"I could see it coming, and could see that [farmers] needed answers," Wonnacott
says. "No one had put funding into any of the questions on organic dairying
before. Organic has changed the way people think about farming.
"Conventional farming in general says, 'There's a problem; let's fix it.' But
there is no quick fix."
Instead of providing just hard-and-fast data, Wonnacott wanted to convince
each farmer to develop his or her own solution to the most perplexing problem
on the farm.
When she and her collaborators began their research in 1993, with the help
of a SARE grant, there were only four certified organic dairy farmers in Vermont.
Just five years later, largely due to the start-up of The Organic Cow, a successful
organic dairy processor, there were 40 certified organic dairy farms in the
state. They earn more than $18 for 100 pounds of milk, nearly $6 more than for
conventionally produced milk.
As a result of some of that research, Wonnacott and her team have helped participating
dairy producers lower their costs and improve their profits. A primary project
recommendation that organic dairy farmers use intensive pasture management to
grow and utilize more high-quality forage helped several Vermont farm families.
At Taconic End Farm in Brandon, the net farm profit for Annie Claghorn and
Caitlin Fox climbed 40 percent over the three years of the project as they improved
their management and reduced expenses. For long-time organic farmers Nancy Everhart
and her husband, Peter Young, of Plainfield, the cost of producing milk dropped
by $5,000 over the three years.
Those impressive findings came from a project that features case studies of
four organic dairy farms, three farms in transition to organic and one conventional
dairy. Wonnacott used a systems approach because farms differ markedly from
one another and because production factors are so interrelated. Thinking about
those factors as discrete components doesn't work for organic dairying, she
says.
Because the project emphasized getting information out to the farmers, many
others benefited as on-farm technical meetings were opened up to anyone. A wave
of soon-to-be-organic farmers, eager to ship milk to The Organic Cow and hungry
for knowledge, flocked to the meetings.
"What was as beneficial as anything else was the networking and to get farmers
talking and helping each other," Wonnacott says.
Researchers gathered three years of data on everything from economics to milk
quality to herd health, allowing them to get off the university campus and into
the fields to work more closely with the farmers. Both the researchers and farmers
enjoyed the collaboration.
"One of the best things about it was that it allowed us as a farm to tap into
the empirical resources of the university--soil testing and feed testing," says
Jack Lazor of Westfield, Vt.
As part of the SARE study, Dr. Joseph "Woody" Pankey of the University of Vermont
Quality Mile Research Lab examined how organic practices affected the incidence
of mastitis, an infection of the udder. Most organic livestock farmers use homeopathy,
a system of medicine that uses plant-derived natural substances to strengthen
and stimulate an animal's immune system. He found that treating mastitis homeopathically
cost between $1 and $2 per cow, far less than conventional antibiotics.
Many of the farmers adopted new practices based on information they gleaned
during the project. For instance, the Lazors, the first organic dairy farmers
in Vermont, learned they could grow all their own grains more profitably than
purchasing feed. Another farm dramatically cut back on face flies after switching
from synthetic insecticides to natural alternatives such as beneficial predators
and parasite-munching poultry.
Eric Clifford of Starksboro, the study's conventional farmer, discovered a
nosode -- a homeopathic approach-- could successfully treat hairy heel wart
and calf scours. Vince Foy and Debbie Yonkers of North Danville stopped using
synthetic herbicides on their corn and cultivated for weed control, as they
transitioned to organic in 1995. They also replaced chemical fertilizers with
organic fertilizers, manure and green manure crops.
Foy has contracted with a conventional farmer to grow their organic high-moisture
corn. "It's made it possible for me to encourage a conventional farmer and pass
information along to him," Foy says. "Because it's a local supply, it keeps
the money in a smaller area, cuts out the middleman and makes it more profitable
for us."
Quantifying the social effects of organic dairying must still be gleaned from
the project data; pinpointing environmental effects will be harder yet. But
one of the important results of the study has been to prove that soil fertility
can be maintained with manure, crop rotation and natural soil amendments, Wonnacott
says.
Converting their 70-head Jersey farm to organic, although it decreased milk
production by 10 to 15 percent, increased Foy and Yonkers' gross income from
$125,000 to $165,000, and cut their debt to cow ratio in half.
"It's not just Easy Street," admits Foy. "It's tough, dealing with people who
don't understand organic and don't believe what you're doing is viable. But
overall, the business has done much better. The telling thing will be in 20
years: If our business is still here, it will sink in with people." -- Susan
Harlow
SOUTHERN REGION
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Researchers Joseph Fontenot
and Rachael Shanklin examine cattle raised on alfalfa and corn
in the project's "sustainable" system.
Photo courtesy of Virginia Tech. |
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One of the oldest waterways in the world, the New River has become the focus of
intense interest among mid-Atlantic environmental groups, politicians, researchers
and residents in recent years.
Fewer resulting "downstream" impacts from growing a mix of grass and legumes
instead of row-cropped grain for animal feed is but one environmental benefit
of grazing systems over raising grain crops and feeding cattle in confinement.
Grazing systems also can reduce erosion, provide more wildlife habitat and utilize
fewer purchased inputs such as pesticides and fertilizer.
Measuring a grazing system's impact on nutrient loading in a New River tributary
was but one part of a multi-year, multi-faceted project conducted by a group
of SARE-funded researchers at Virginia Tech. Researchers also wanted to determine
if such systems are profitable.
In order to test whether management-intensive grazing systems can produce cattle
of equal weight and grade to conventional livestock systems that rely on supplemental
feed, the Virginia Tech group compared integrated crop/livestock systems they
labeled "sustainable" and "conventional."
Data from four years of experiments showed better weight gains for steers raised
within a sustainable system that included well-managed grazing integrated with
low-input crop systems. The jump in weight gains corresponded with management
improvements, such as portable fences, which allowed researchers to move the
steers within the system to feed on high-quality forages in both pasture and
a crop field designed for grazing. The cattle grazed annual crops such as rye
and a fescue-alfalfa mix
.The sustainable system would save producers money in input costs by reducing
the need for purchased fertilizers and pesticides. Overall, however, costs and
returns between the two systems came out about equal because of the need to
run extra machinery in the sustainable system.
"There is little difference in the returns, but the sustainable system cut
input costs," says Joseph Fontenot, a Virginia Tech researcher. "We never really
thought the sustainable system would increase profits, but we wanted to at least
maintain animal productivity and cut down chemicals such as nitrogen and pesticides."
The project, which began in 1992, compares 48 steers per year and 80 acres
of crop and pasture land. In the conventional system, researchers grazed Angus
cattle on fescue and red clover and raised corn for silage and alfalfa for hay.
The steers were finished in a feedlot. The conventional system was set up under
"best management practice" guidelines recommended by the Cooperative Extension
Service and utilized by many Virginia farmers.
The sustainable system built in more flexibility because it used crops for
the steers to graze as well as a pasture of fescue and alfalfa. The crops --
corn, wheat, millet, alfalfa and rye -- were grown using rotations. The system
incorporated winter cover crops, conservation tillage and integrated pest management.
The Angus steers grazed stockpiled fescue/alfalfa, plus hay in the winter, and
were let into the cropping system to graze wheat or millet when available.
The project's sustainable system used fewer agrichemicals. Researchers found
the system cut pesticides from 23 different applications in the conventional
to 14 in the sustainable system. The crops portion of the project compared a
conventional 10-year rotation -- corn for five years followed by alfalfa for
five -- with a four-year system including corn, wheat, millet, alfalfa and rye.
The sustainable system produced more total forage in alfalfa hay and used far
fewer insecticides and herbicides. Nitrogen fertilizer needs in the sustainable
cropping system were reduced because alfalfa, a legume, helps fix nitrogen in
the soil.
Encouraging the cattle to harvest their own feed, whether in pasture or off
crops, would help farmers and ranchers avoid the time and expense of harvesting
their own grain. Many graziers have spoken of a better quality of life associated
with less time in the fields.
"In the other system, we have to feed them fescue until it runs out," Fontenot
says. "A typical farmer would have to buy hay to supplement. The sustainable
system gives a lot of options."
In an effort to minimize animal agriculture's impact on the New River watershed,
the researchers evaluated ways to discourage grazing cattle from entering a
New River tributary. As part of the complex project that quantified the myriad
benefits of grazing systems compared to conventional livestock systems, researchers
homed in on River Ridge Farm on the banks of the New River to test a cattle
watering system that could attract grazing cattle -- which naturally seek cool
streams during summer -- away from the river.
Virginia Tech's Ron Sheffield, David Vaughan, Saied Mostaghimi and Viven Allen,
now with Texas Tech, set up spring-fed watering troughs in strategic areas in
the pasture. They wanted to see if they could keep cattle -- and their manure,
which contains nitrogen and phosphorus -- out of the river without using expensive
fencing. The group measured nitrogen and phosphorus in the stream after cattle
drank from it, then compared it to a later measurement taken after the livestock
were given a choice of drinking from the troughs.
The impact, Allen says, was dramatic. "The cattle clearly preferred to go to
the troughs, and we saw much decreased nutrient loading and sedimentation in
the stream," she says.
Stream bank erosion was reduced by 77 percent after they installed the alternative
water source, and concentrations of suspended solids, nitrogen and phosphorus
were reduced by 90 percent, 54 percent and 81 percent, respectively. -- Valerie
Berton
WESTERN REGION
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Sheep introduced into stone-fruit
orchards did a thorough job of cleaning tree understories, reducing
the need to mow and spray herbicides.
Photo courtesy of Western Region SARE. |
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In a small fruit orchard like Bill Howell's, time is of the essence. Holding down
an off-farm job, raising a family and managing an eight-acre stone fruit orchard
makes it imperative for Howell to manage his time wisely.
That's why when Washington State University researcher Linda Hardesty came
to him with a novel idea to save time managing vegetation in his cherry and
plum orchards, he was more than willing to give it a try.
Hardesty, a WSU ecologist, had spent four years working in a Brazil sheep and
goat research center. Intrigued by the common Brazilian practice of introducing
sheep into fruit orchards to graze tree understories, she began speculating
about how U.S. orchardists could integrate livestock into their fruit operations.
The sheep grazed unwanted vegetation below and between trees, eliminating the
need for chemical weed control.
"We have our land so separated, we don't look at multiple uses or complementary
uses of the same parcel of land," says Hardesty, who obtained a SARE grant to
test the potential of sheep to manage vegetation in Washington and Idaho fruit
orchards.
"Ecologists look at the flow of energy through a system -- from sunlight, to
trees, to foliage, to animals, to people. In our agricultural systems, we focus
on energy going into a particular product, and anything else is considered waste."
Hardesty wanted to test how to convert the "waste" under fruit trees that orchardists
commonly control with herbicides to sheep forage. She hoped to discover if the
practice would save farmers money and protect natural resources by reducing
or eliminating herbicides and cutting fossil fuel used in multiple tractor passes.
After initial rebuffs when she sought potential cooperators, Hardesty connected
with Howell. Howell not only grows cherries and plums on eight acres in Washington's
Yakima River Valley, but he also raises sheep.
Perhaps most important, Howell was interested in ways to reduce his time in
the field.
"In a small orchard like mine, an awful lot of the inputs are my own time,"
Howell says. "The time constraints of mowing and herbicide application were
the major reasons for my wanting to look at sheep to do the job when I'm not
around."
An economic analysis undertaken at the end of Hardesty's trial found that when
orchardists used sheep -- either raising livestock year-round or buying and
selling feeder sheep each season -- to manage vegetation, they realized greater
profits. When lamb prices equaled at least $1.05 per pound, and with labor priced
at $8 an hour, the sheep system proved more profitable than traditional orchard
management.
Thick tree understories can hamper fruit production, partly because they provide
shelter for rodents that eat fruit and damage trees. Creating an integrated
farming system utilizing both sheep and fruit could allow Howell to increase
his flock and take advantage of good wool prices while also boosting tree health
in the orchard.
Hardesty introduced sheep into test plots on Howell's four-acre sweet cherry
orchard. At any given time, she would allow up to 20 sheep in the orchard. She
studied what forage was available in cherry tree understories and measured the
amount the sheep consumed. She compared those figures to control plots of ungrazed
trees to determine the amount the animals were grazing over five years. She
also ran a similar study at a one-acre mixed fruit orchard in Latah County,
Idaho.
At both sites, Hardesty found the sheep did a thorough job of cleaning orchard
tree understories, reducing the need to mow and spray herbicides. The practice
significantly reduced input costs while providing an additional source of revenue.
"I reduced the number of times I mowed the orchard by 100 percent," Howell
says. "I used to mow six times a year, and then I didn't mow at all."
The system was not without pitfalls, however. In addition to grazing the understories,
the sheep were attracted to the succulent cherry leaves hanging overhead.
Although Hardesty and Howell tried to train the animals to leave the foliage
alone -- consulting with animal trainers and applying bad-tasting, non-toxic
sprays to the leaves -- the best solution only worked for six weeks.
"It's like having a kid in a candy store. There are too many good things close
to them," says Howell, who has reduced his animals' time in the orchard because
of the damage.
Adding livestock to the fruit system also required some time management and
know-how many orchardists do not have. Howell moved the animals from the orchard
each time he sprayed insecticides, about three times a season. The animals grazed
in an adjacent pasture until re-entry after spraying was considered safe.
"Because cherries are harvested in June, everything goes on from April to July,"
Hardesty says. "Farmers are in and out, continually managing the orchard. In
this system, you're moving animals back and forth a lot."
Other producers attending field days and other presentations have since adopted
the integrated system idea, Hardesty says, although none use livestock in orchards
full time.
Howell continues to use sheep part time to clean up the foliage that falls
each autumn. But until he learns a way to entice them away from the trees themselves,
he hesitates to incorporate them full time.
"Until you can train animals not to eat a particular piece of vegetation in
an orchard setting, I don't think it will be completely utilized," says Howell,
who longs to increase his flock size. "I'd have more wool and meat, along with
the cherries, plus the economic benefit of losing input costs. Anytime someone
says he knows how to train sheep, I perk up."-- Valerie Berton
Ten Years
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