Your on-line source for research-based information about organic by-products and their use as soil amendments.

Organic by-products from agriculture, industries, and municipalities make excellent soil amendments. Too many organic by-products are being landfilled or land spread as wastes, when they could be recycled into valuable products. 

Here you will find information to help manage these organic wastes by converting them into beneficial soil amendments.

Composting Resources - your source for online powerpoint presentations, bulletins, fact sheets, and web links on composting and by-product use.

Research Programs - UW research on organic wastes.