From: "@frank.net   
      
   On 3/21/2019 2:34 PM, songbird wrote:   
   > Drew Lawson wrote:   
   >> songbird writes:   
   > ...   
   >>> i   
   >>> grow tomatoes and strawberries without any *cides at   
   >>> all.   
   >>   
   >> Unfortunately, my garden is plagued by tomato leaf spot, so I am   
   >> dependant on copper sulfate.  That's about all I use, aside from   
   >> RoundUp on the creaping thistle.   
   >   
   >    the tomatoes here get some kind of blight each   
   > season but they still bear fruit and we get enough   
   > so i've never treated for it.  i have tried various   
   > things recommended to eliminate it or reduce it   
   > from happening, but each year it returns no matter   
   > what.  so since it doesn't cause us to lose the   
   > crops i just continue to ignore it.  the plants   
   > look pretty sad by the end of the summer but by   
   > then we've put up what we need so it's ok.   
   >   
   >    i would not use copper sulfate for long as the   
   > copper can build up in the soil.   
   >   
   >    have you tried finding more resistant plants?   
   > i have here but Mom is very fixated on what she   
   > wants to grow so i gave up.   
   >   
   >    the troublesome weeds here are horsetail and   
   > sow-thistle, but i've found out they can be   
   > removed by manual methods and smothering once   
   > you've got the worst of them cleared.  you just   
   > have to be sure to keep after any new ones that   
   > may show up before they get going again.   
   >   
   >   
   >    songbird   
   >   
      
   Guy that sold tomatoes nearby said that you'd have to replace soil in   
   the garden by maybe 5 ft deep to get rid of the blight.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)