Sullivan, Dan

This publication reviews the long-term benefits of municipal biosolids applications on soil health in dryland cereal and pasture cropping systems east of the Cascades. Biosolids were an especially eff ...

Curious about compost? Composting reduces waste and provides an inexpensive treatment for home gardens and landscapes. Whether you have been composting for years or want to start your first pile, this ...

Focuses on how biosolids can be used to supply nutrients to crops. Describes the nutrient content and fertilizer replacement value of biosolids and the relationship between biosolids nutrient input ...

Yard trimmings are a beneficial soil amendment that supply plant nutrients and organic matter. They have been successfully used in the production of a variety of annual and perennial crops in Washingt ...

Are you thinking about using manure to fertilize your farm but want more information? Properly managed manure applications recycle nutrients to crops, improve soil quality, and protect water quality. ...

Biosolids are a byproduct of municipal wastewater treatment. Raw sewage solids must be processed to meet U.S. Environmental Protection Agency standards before they can be called biosolids. This worksh ...