Skip to main content
U.S. flag

An official website of the United States government

Leaf collection: phosphorus and nitrogen results, by season

Detailed Description

Seasonal contribution to annual yields of total phosphorus and total nitrogen (winter excluded) in the control and test catchments during the treatment phase (2015) of a leaf removal and street cleaning study in Madison, Wis.

Sources/Usage

Public Domain.

Public domain.

Was this page helpful?