Nutrient Trading – A Water Quality Solution? - Water and Agriculture: Sustainability, Markets and Policies - page 107

e) Phosphorus lost to waterways

0

GHG
Trading
($5/t C)

-1

GHG
Trading
($14/t CC)

-2

CRP
Extension

Conservation
Tillage
Subsidy

N Fertilizer
Tax

-3

N Trading
Scenario 1

-4

P Trading
Scenario 1

-5

-6

P Trading
Scenario 2

-7

N Trading Scenario 1: 8 mg/l N discharge limit for WWTP at $2/lb N
N Trading Scenario 2: 3 mg/l N discharge limit for WWTP at $5/lb N
P Trading Scenario 1: 1 mg/l P dis charge limit for WWTP at $5/lb P
P Trading Scenario 2: <1 mg/l P dis charge limit for WWTP at $7/lb P

N Trading
with GHG
Payments

N Trading
Scenario 2

-8

f) Soil erosion

0

GHG
Trading
($5/t C)

GHG
Trading
($14/t C)

CRP
Extension

-2

N Fertilizer
Tax

N Trading
Scenario 1

P Trading
Scenario 1

-4

P Trading
Scenario 2

N Trading
Scenario 2

N Trading
with GHG
Payments

-6

-8

-10

N Trading Scenario 1: 8 mg/l N discharge limit for WWTP at $2/lb N
N Trading Scenario 2: 3 mg/l N discharge limit for WWTP at $5/lb N
P Trading Scenario 1: 1 mg/l P discharge limit for WWTP at $5/lb P
P Trading Scenario 2: <1 mg/l P discharge limit for WWTP at $7/lb P

Conservation
Tillage
Subsidy

-12

Source: Greenhalgh and Sauer, 2003.