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The sheer variety of weeds makes them difficult to control. Some are annual, some biennial, some perennial. Each type requires different management. Annuals are often controlled using pre-emergent herbicides, but when do you apply them to get the greatest impact? Are there other effective methods?
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The sheer variety of weeds makes them difficult to control. Some are annual, some biennial, some perennial. Each type requires different management. Annuals are often controlled using pre-emergent herbicides, but when do you apply them to get the greatest impact? Are there other effective methods?