Soil, Water, and Irrigation - General Publications
Common knotweed, also called wiregrass or doorweed, is an annual species most often found in compacted soils. It is particularly well adapted to the winter and early spring rainfall pattern throughout California.
Full title: Protecting Surface Water from Sediment-Associated Pesticides in Furrow-Irrigated Crops. When pesticide residues get into stream water and in-stream sediments, they can last for anywhere from a few days to decades or more. Learn how to keep these chemicals out of surface water runoff, and out of our state's waterways.
Conservation tillage (CT) has become an important management tool in production systems throughout the world. Learn how it lessens the environmental impacts of farming in California.