Destroy annual weeds before they have the chance to flower and spread their seeds.

The most basic is ploughing which cuts the roots of annual weeds.

On a dry, sunny day hoe annual weeds before they seed.

It was an old relationship being worked out all over again, the annual weed and the perennial weeder.

Mowing can be a very successful control method for many annual weeds.

Tall waterhemp also has a rapid growth rate, 50%-70% greater than other annual weeds.

It is a small annual weed distributed throughout the warmer areas of the world to about 50 degrees latitude.

By destroying them early, the farmer eliminates most of that season's annual weeds.

This usually results in square or diamond-shaped fields and is effective at clearing annual weeds.

It was formerly a common annual arable weed in Britain, but is now rare there.