And now:Ish <[EMAIL PROTECTED]> writes:

Date: Sun, 19 Sep 1999 22:46:14 -0500
To: Ishgooda <[EMAIL PROTECTED]>
From: [EMAIL PROTECTED]
Subject: Mushrooms Used as Fertilizer
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Mushrooms Used as Fertilizer
By JEFF BARNARD Associated Press Writer

GRANTS PASS, Ore. (AP) -- Mike Amaranthus opened the glass door of a
refrigerator case and peeled back the top of a plastic container to reveal
a musty brown powder.

"Two tablespoons of this powder contains more spores than there are people
on earth," he said. "You can imagine what you can do with 50 pounds."

Amaranthus and a handful of other entrepreneurs are selling the spores of
mushrooms, puffballs and truffles as an organic and highly successful
alternative to chemical fertilizers and pesticides.

To make his point, Amaranthus offers test plants -- roses, maple trees and
marigolds -- grown with and without the fungi. Those inoculated with spores
are bigger, leafier, and have more blooms.

"Most people relate to fungi moldy bread and itchy toes, but 90 percent of
the world's plants form a beneficial relationship to fungi that we call the
mycorrhizae," said Amaranthus, a soil scientist.

Hence the name of his company, Mycorrhizal Applications Inc.

The relationship can be traced to the earliest fossils of land plants,
leading scientists like Amaranthus to theorize that fungi helped ancient
aquatic plants make the jump to the hostile environment of dry land.

The fungi attach to the roots of the plant and help it take in moisture and
nutrients through a network of tiny filaments called hyphae that spread
through the soil, increasing the root mass 10 to 10,000 times. The plants
feed the fungi in return.

Amaranthus first ran across mycorrhizae in 1976, when he started working
for the Siskiyou National Forest. Many foresters still regarded the white
and yellow strands they saw on tree roots as pathogens attacking the trees,
but he found that they were beneficial.

Through his doctoral work in forest ecology at Oregon State University and
later work for the U.S. Forest Service's Pacific Northwest Research
Station, Amaranthus helped unravel the secret life of trees and mycorrhizal
fungi.

In 1997, he left the woods to bring mycorrhizae to the marketplace. He ran
through his retirement savings getting started, but is now making a profit
and employing five people full time.

The spores come from mushrooms, puffballs and truffles harvested from the
wild as well as cultivated areas around the world. Amaranthus won't divulge
financial information but says last year Mycorrhizal Applications sold
enough spores to inoculate 200 million plants. They are gearing up to
produce enough for 1 billion plants.

Amaranthus' business is small. Plant Health Care Inc., in Pittsburgh, Pa.,
claims the title of industry leader, with annual revenue of $100 million
four years after startup.

The company supplies beneficial bacteria as well as mycorrhizal spores for
arborists, nurseries, landscapers, turf farms, golf courses and fruit and
vegetable growers.

"We think that because of regulation of soil fumigants as well as
increasing regulation of certain classes of chemical pesticide, more and
more growers are becoming open to and interested in the below-ground
ecology of the plant," said President Wayne Wall.

Complaints against the soil fumigant methyl bromide, used to control things
like root-eating nematodes, are growing because of fears over ozone
depletion and health risks. The Environmental Protection Agency recently
moved to ban methyl parathion, which is commonly sprayed on apples, over
child health concerns.

Research has shown that mycorrhizals help plants absorb essential
micronutrients such as calcium, and can even help control pests like
root-feeding nematodes.

Mount Angel hops grower John Annen tried some spores to see if they would
help him root a difficult strain of hops in the greenhouse. He began using
them on everything after his success rate nearly doubled.

He said the hops treated with mycorrhizals have bigger root systems, need
less fertilizer and resist insects better, allowing him to skip one
application of insecticide.

"When I first heard about it I was very skeptical," he said. "I checked it
out with a few people at the college, field men, whatnot, and they told me
this was nothing new, it had been studied for years, but nobody went
anywhere with it. What this stuff can do is absolutely amazing."

Plants link up with specific fungi, so Mycorrhizal Applications makes
custom mixes for commercial clients in a liquid, powder or gel. The spores
can be mixed with potting soil, dripped on through irrigation, sprayed on
by crop-duster, or dropped in the soil at planting time.

The above-ground results produced by fungi could be achieved applying
fertilizer every two weeks, but 70 to 90 percent of nitrogen applied in
nurseries is not absorbed by the plants and ends up getting washed into
rivers, where it is a pollutant, Amaranthus said.

One inoculation of fungi lasts all year, costs pennies a plant, and
produces a bigger root system that is also resistant to disease.

"Nature has provided the template," Amaranthus said. "The problem is
education." 
Reprinted under the Fair Use http://www4.law.cornell.edu/uscode/17/107.html doctrine 
of international copyright law.
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