Has anyone had any experience with Cockadoodle DOO Organic Weed
Cockadoodle DOO Organic Weed Control
We live in Masachusetts and are considering trying it on our lawns this
April. Clover has been our biggest problem, but we seem to have a
touch of everything. Also, any alternative suggestions would be great.
rw - http://www.addieryan.com /
Good day Ryan, I have not personally used the above product (could they of
gotten a better name..?), but I am familiar with the use of corn gluten
meal as a pre-emergent. The short answer is yes.... it does work. The long
answer is it may not be the cheapest route to go though. As far as I can
tell, these organic weed control companies are marking up a rather cheap
product ( corn gluten meal ) and selling it at a very inflated price. The
meal they sell is 'pearled' unlike what you can get at a food/bakery
supply store, but they are both the same.
Application rates will be much higher than one would expect for
satisfactory results. The Cockadoodle DOO company (O' how it pains me to
type that name!!) recommends 100 pounds per 5000 square feet. That's a lot
of corn meal. Even at .50 cents a pound that's still 50 dollars per
application and your lawn will have a yellow look to it for a few weeks.
Don't get me wrong, I'm really not trying to talk you out of the corn
meal. I've read many positive data sheets on the use of corn meal. You can
rest assured that your not killing the planet and the corn meal does offer
a small fertilization at the same time. My mother-in-law is a baker and
she used plain old corn meal gluten in a few flower beds with good
Clover is a sign post in your lawn. It's telling you that you may have :
low soil fertility (low nitrogen)
too low of a mowing height
Your first step is to remove the clover. You can do this in a variety of
ways. How you do it is really up to you. Chemical or mechanical, the
choice is yours. After the clover is gone, improve the soil with aeration
and fertilization. As far as your mowing height goes, try to keep the lawn
areas mowed at 3" high. This will inhibit weed seed germination and help
keep new weeds from taking root. Good luck and good day.
Small fertilization?????? Corn gluten is between 9 and 11 prcent nitrogen!
It takes 50 to 100 pounds of corn gluten per 1,000 (not 5,000) square feet
to obtain any effective weed control. That means you get 4.5 to 11 pounds
of nitrogen on your lawn in one application! Not good at all! The average
home lawn of fescue, bluegrass or ryegrass requires only 2 to 4 lbs. of
nitrogen in an entire year, and most of that should be applied in the fall.
Even if applied to bermuda or zoysia, it's still extremely excessive. Can
you say "nitrogen leaching, runoff and pollution"?
Your numbers are just wrong. The 100 pounds per 5000 square comes from (O'
gawd that name!!) Cockadoodle DOO's info page. They sell it... I would
take their word for it. There are other fact sheets that suggest the
application of 20 pounds per 1000.... which comes out to (hold on to your
shorts now) 100 pounds per 5000 square feet.
At 10% Nitrogen, that's 2 pounds of pure N per 1000 square feet. With 2
applications per year that would be 4 pounds of N per 1000 square feet per
year or the recommended ammount.
My statement about a small amount of fertilization was a mis-statement.
For some reason I had 2.5%to 5% N stuck in my head. Had mixed up corn meal
with alfalfa meal I'm sure. Either way, my recommended application is
right and it will not cause nitrogen leaching, runoff and or pollution.
Yes it is corn gluten, the site says so and I'm sure the bag does also.
Corn gluten _does_not_ control weeds. It controls seed germination or
rather suppresses seed germination. A pre-emergent is not a weed killer
and never will work as such.
How 'bout this.... I'll take their word for it and all of the other
independent, scientifically based, peer reviewed research. Btw, everyone
agrees, 20 per 1000 or 100 per 5000.
Thanks. Read up on their FAQ and they agree ... no impact on the
clover since it only restricts seed germination.
5. What weeds is it most effective controlling? What about clover?
99.9% of all broad leaf weed seeds will not germinate (grass seed
germination is inhibited as well, see below). The most common pesky
weeds that corn gluten meal controls is CRAB GRASS, CHICK WEED, and
DANDELIONS. It will NOT have any effect on clover, as clover grows
and spreads from its root system. Clover does not flower and drop seed
buds, so it cannot be controlled by a pre-emergent herbicide.
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