Weed Management Handbook

Flat portion of a leaf.

The downward movement of a substance in solution through the soil.

Applied with or after the last cultivation of a crop.

Chemical movement to the side in a plant or in the soil, or horizontal movement in the roots or soil layer.

All written, printed, or graphic matter on or attached to pesticide containers as required by law.

Value for how strongly a herbicide adsorbs to soil when normalized for the amount of organic matter in a soil.

One that ionizes or dissociates in water.

The suspension of minute water droplets in a continuous oil phase, usually forming a thick, mayonnaise-like mixture.

Using multiple approaches for pest control; pesticides are used only when and at rates necessary.

To hold in check or stop; e.g., to inhibit or check seed germination or plant growth with herbicides.