[AT] Round-Up resistant weeds

[Ralph Goff]

----- Original Message ----- 
From: "Indiana Robinson" <robinson46176 at gmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, May 05, 2010 5:51 PM
Subject: Re: [AT] Round-Up resistant weeds


> Back when I was in seed corn research we had 3 test plots each in
> Indiana, Ohio and Kentucky. Many of the farmers in Kentucky wanted to
> raise continuous corn but after several years the Johnson Grass would
> get too bad so they would put out a crop of soybeans for one year and
> let the grass herbicides get it under control. Then they would jump
> right back to corn for as long as they could until the Johnson Grass
> started taking over again. I never really understood why they didn't
> just keep a corn/bean rotation going yearly but I assumed that they
> had their reasons. It was likely due to how the farm program was sat
> up at that time.

Continuous anything is a bad idea in my opinion. Guys will push the rotation 
a bit on canola sometimes but its generally not a good plan to seed it more 
than once in 3 years on the same ground as disease problems will result.

Ralph in  Sask.