They LOOK straighter because of the lines, lol.
We left them up for a few reasons.......
1) I'm lazy and it makes it easy to weed the foot paths, like having to stay inside the lines in a coloring book. Also when sprouts are coming up, it makes you take greater care when weeding "inside" the lines.
2) It prevents people from walking willy-nilly across the rows. The ends of the rows have a string across and the foot paths don't.
3) In some rows I have string beans, cucumbers and other plants that like to climb, and I can run additional strings for them to climb on.
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But mainly, I'm just lazy.
LOLYou're supposed to say that your method of doing things utilizes labor saving techniques.
I sometimes like to point out that by inherent design, the best way is often the easiest, quickest way to do something.
For instance, I did very little of ground work by hand. I can make a trailer hitch plow and drive a straight line. and now I have the tools to plow evry year after this one,
Kill'em all but the honey bee's.