10. P Loss (kg/ha)
10
20
3
0
0 421 mg/kg
447 mg/kg
2001
2002
2003
2004
2005
Kleinman et al., 2007 (J. Soil and Water Conserv.)
1500
500
0
1000
Precip(mm)
In hydrologically connected systems
Loads driven by precipitation
20. • In stream/channel
• Edge‐of‐field
• In field
All of the above, and more
Traditional conservation strategies
don’t solve dissolved nutrient losses
In‐ditch filters
Edge‐of‐field
filters
Source: Bryant, USDA‐ARS