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Dynaweed Corn Gluten Weed Control
Dynaweed - Corn Gluten - Non-GMO
Corn Gluten Weed Control - 40lb. Bag
This granular "weed and feed" product stops annoying weeds before they start. The corn gluten meal
ingredients in Dynaweed are so safe that they are commonly used in pet foods! Apply spring and fall at
20 lbs./1000 sq. ft. for weed-free lawns that are healthy and green. Dynaweed corn gluten granules
spreads easily with most fertilizer spreaders. Corn meal gluten controls many lawn weeds including
crabgrass and dandelion.  
American Natural Products Co.
Eco-friendly products for safe, effective solutions
Corn gluten is a by-product of the wet milling process of making cornstarch. Because it contains 60%
protein, corn gluten meal is commonly used as an animal feed for cattle, poultry, other livestock, fish and  
some dog foods. The meal of corn gluten also contains naturally occurring substances which inhibit the
growth of  a weed seed's tiny feeder roots. The  treated seedlings struggle to get enough moisture, which
causes them to die before they ever have a change to take hold. When used as directed, corn gluten acts as
a pre-emergent herbicide that will not harm beneficial insects, soil organisms, pets, or children.

Since corn gluten kills only the roots of sprouting seeds, it can be used around transplants and established
vegetables, flowers, fruit, shrubs and lawns. It can be used even up to the day of harvest. Once grass,
vegetable, or flower seedlings are established, it is then safe to apply corn gluten.

Corn gluten meal has another benefit for landscapers. It is 10% nitrogen by weight in a slow-release form.
As the applied corn gluten decomposes in the soil it adds a substantial amount of plant available nitrogen.
In university research, corn gluten treated plants consistently show superior color and quality.

Many manufacturers now supply corn gluten in a granular form for easy application with a standard fertilizer
spreader. The recommended rate of application is 20lbs./1000 sq.ft. for lawn grass and up to
40lbs./1000sq.ft. on ornamental plantings.

Research suggests that the effectiveness of corn gluten meal improves with every season of use. "Anybody
who is looking for an alternative to synthetic herbicides should try it," says Don Morishita, University of Idaho
extension weed scientist, "It's pretty effective. You have to keep using it, but that's the case with synthetic
herbicides, too."

Grounds managers that are looking for a non-chemical alternative have had success with corn gluten meal.
Harley Carter, athletic director at Maharishi School in Fairfield, Iowa learned about corn gluten from Soil
Technologies Corp. in Fairfield. The company is a licensee of the ISU patent on corn gluten and markets its
brand as Dynaweed. The Maharishi School's unirrigated soccer field was initially seeded in a mix of
bluegrass and rye." The grass hadn't grown in well and the field was in dire need of weed control," he said.
"I wanted a natural means of controlling weeds". After hearing about corn gluten from Soil Technologies'
horticulturalist, Carter decided to give it a try. Corn gluten has been applied to the field each spring for 4
years now. "We apply it only in the spring because we're playing on the field in the fall," he noted. "It takes
time, but there's no doubt that it works. Our soccer field looks as good as anybody's in the league now."
AUTHOR: Steve Nichols, Soil Technologies Corp., 2103 185th St., Fairfield, IA 52556.
Phone: 641-472-3963/ext.105. E-mail:
Dynaweed: Pre-emergent "Weed and Feed" for Lawn, Turf and Gardens  
Corn Gluten Meal: A Natural Herbicide

By Steve Nichols, Soil Technologies Corp./American Natural Products
Published in
Landscape Maintenance magazine

Environmentally safe weed control can be a challenge in gardening and
landscape maintenance. Until recently there were no chemical-free methods to
eradicate weeds other than hand-weeding. Corn gluten meal is a natural product
that can safely inhibit germination of grass and weed seeds. In 1985, Dr. Nick
Christians, of Iowa State University (ISU), accidentally discovered that corn gluten
meal had pre-emergence herbicide activity. The control plot of a turf study showed
thin seeded grass stands when pure corn gluten was used. Further study by Dr.
Christians and his graduate students lead to 4 patents on corn gluten and its
active components over the last 15 years. Currently over 15 companies are
licensed by ISU to sell corn gluten as a natural herbicide.
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2103 185th St.
Fairfield, IA
1-800-221-7645 Ext 105
Dynaweed is a pre-emergence corn gluten herbicide that kills the tiny roots of sprouting seeds but
does not harm established plants or vegetable and flower sprouts that have true leaves. If you use
Dynaweed to control sprouting weed seeds year after year, you can expect in time to see your lawn
weed population diminish.
Safe! The EPA found Dynaweed so friendly to the environment that it is exempted from EPA herbicide
regulations. Used as directed, children or pets can play on treated areas immediately after
application and Dynaweed will not harm beneficial insects, soil organisms or pond or stream life!
40 lb. bag
Dynaweed out of stock