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2. Preemergent herbicide - Wikipedia

   en.wikipedia.org/wiki/Preemergent_herbicide

   A pre-emergence spray of herbicide being added onto a field of oilseed rape. Preemergent herbicides are a form of chemical weed control which prevent germinated weed seedlings from becoming established. In some areas of the world, they are used to prevent crabgrass from appearing in lawns. [1]

3. Trifluralin - Wikipedia

   en.wikipedia.org/wiki/Trifluralin

   Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.

4. Campbell Vaughn: Now is the time to use preemergence ... - AOL

   www.aol.com/campbell-vaughn-now-time-p...

   Pre-emergence herbicides are applied to lawns prior to weed seed germination. Our standard recommendations are Sept. 1-15 for cool season weeds and mid-February to March 1 for warm season weeds ...

5. Neil Sperry: It’s time for apply preemergent in Tarrant ...

   www.aol.com/neil-sperry-time-apply-preemergent...

   One other pre-emergent herbicide, Pendimethalin, also has post-emergent characteristics. It is used both to prevent germination of the same list of grassy weeds, also as a means of eliminating ...

6. Category:Preemergent herbicides - Wikipedia

   en.wikipedia.org/.../Category:Preemergent_herbicides

   Pages in category "Preemergent herbicides" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...

7. Pendimethalin - Wikipedia

   en.wikipedia.org/wiki/Pendimethalin

   Pendimethalin acts in both pre-weed-emergence and early post-emergence. Pendimethalin is absorbed into roots and shoots, inhibits cell division and prevents growth, [10] to prevent weeds from emerging, particularly during the development phase of the crop.