11.   A. Vinegar will indeed kill the weeds in your driveway, and will do the job pretty well with one application.

12.   But, toward the end of World War II, machines were developed to harvest cotton and chemicals to kill the weeds.

13.   Campus employees attempting to kill weeds also killed the grass.

14.   Farmers can thus spray their fields with Roundup throughout the growing season to kill weeds without harming the crop.

15.   He is referring to the additional expense of using mechanical equipment to kill weeds.

16.   If you must, you can use a spot weed killer that contains glyphosate to kill weeds in St. Augustine.

17.   It would poison adjacent soil if you used enough to kill the weeds.

18.   Liberty Link and Roundup Ready seeds enable farmers to spray their crops with Liberty or Roundup herbicide, killing weeds without damaging the crops.

19.   Q. I read with interest your idea to use vinegar to kill weeds coming up between bricks and other paving materials.

20.   Q. You mentioned some time ago that vinegar will kill weeds that come up between the bricks of a sidewalk or patio.