| The Heinz
Center's State of the Nation's Ecosystems |
| ecosystem: |
Farmlands |
| indicator Name: |
Nitrate in Farmland
Groundwater |
| page # in printed
report: |
95 |
| location on page: |
lower-middle |
| data source: |
USGS National Water
Quality Assessment. Coverage: lower 48 states. Each sampling area
was sampled intensively for approximately 2 years during 1992-1998. |
| notes: |
please see technical
notes for further details on accessing these data from their original
source; this data table comes from a specific graphic in The State
of the Nation's Ecosystems report (www.heinzctr.org/ecosystems) |