Re: [hostapix] trifluralin?
- Subject: Re: [hostapix] trifluralin?
- From: D* &* L*
- Date: Wed, 17 Apr 2002 09:47:50 -0400
Thanks for the tips Joe. I'm using the 2.5 gallon
Round Pro and the label reads 2.75 oz. per gallon and that is what I usually
use. High amounts of organic matter in the soil also affect how Surflan
works....it doesn't work as well with high amounts of organic matter...or so the
label says. I got the 3 oz per four gallons of off the Surflan label. I'm using
3 oz of Surflan in 4 gallons....or .75 oz. per gallon in the final mix.
You bring up an important point about Surflan. The
label says it should not be used on areas that you intend to plant. It also says
that recently planted plants can be a problem too. If the soil is still loose
around a recently planted plant and Surflan is applied....and it rains more than
one inch or rains heavy....that the Surflan can be washed into the root zone and
damage the plants roots. Areas in the garden that puddle when it rains are
problems too. This is a very important point in using Surflan.
Dan & Lu
----------------------
----- Original Message -----
From: h*@open.org
To: h*@hort.net
Sent: Wednesday, April 17, 2002 3:29 AM
Subject: Re: [hostapix] trifluralin? >Surflan and Roundup mixed sure work well for me too. I use 3 oz of >Surflan and 12oz of Roundup in 4 gallons of water and spray this mix >on 1,000 square feet. Over kill! The recommended concentration for Roundup is 2 oz per gallon. However, one oz per gallon works just fine. If you have some stubborn broadleaf weeds that Roundup doesn't handle with one spraying or you really need a high concentration of Roundup, just use one oz per gallon and add a little 2,4-D. Using 1 oz instead of 2 might take a few days longer to see the weeds dying, but otherwise works just fine. The amount of Surflan you use depends on the soil type you have and the length of time you want it to be effective. Putting 3 oz on 1,000 sq ft is way too much. Surflan has a low level of solubility, but putting on an excess will wash some of the surflan down deeper into the soil then you may want, especially if you get a large amount of rain after applying it. If you put too much on at one time you may have problems latter on if you try to plant new hostas to the area. What you really want to do is to put just enough on in the late winter before the hostas come up so that you see some weeds starting to show up in early fall. That tells you that you aren't building up an excessive concentration in the soil. Joe Halinar --------------------------------------------------------------------- To sign-off this list, send email to m*@hort.net with the message text UNSUBSCRIBE HOSTA-OPEN |
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