Bugs and weed seeds use the wind to move around - or into - planted areas.

Even those caught in grain fields usually have their pouches filled with weed seeds.

But too many weed seeds were introduced, especially if the straw was from grain fields.

Every weed seed has sent up a skyrocket of growth.

After several weeks, all germinating weed seeds present in the ground should be dead.

If you do not turn it, most of the lurking weed seeds will stay too far from the surface to germinate.

"If you please, do you live altogether on these weed seeds?"

If weed seed is allowed to form, then the garden is in real trouble for many years.

These are used to reduce the amount of weed seed picked up when harvesting small grains.

The high temperature kills off weed seeds and many of the disease organisms in plant waste.