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Cost benefit analysis of peri-urban land use policy - Plurel

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Table 13: Agriculture variables by future scenarios in 2020s in the UK<br />

2020s<br />

2020s high<br />

high<br />

2020s low 2020s low<br />

climate<br />

climate<br />

climate change climate change<br />

1997/98<br />

change<br />

change<br />

(global (Regional<br />

crop yield<br />

(Regional<br />

(global<br />

sustainability stewardship<br />

enterprise<br />

market<br />

B1)<br />

B2)<br />

A2)<br />

A1)<br />

Wheat 100 140 120 105 100<br />

Barley 100 150 130 110 100<br />

Rapeseed 100 125 120 115 105<br />

Potatoes 100 150 120 110 100<br />

Sugar beet 100 140 130 115 110<br />

1997/98<br />

crop<br />

production<br />

price<br />

Wheat 100 85 90 110 120<br />

Barley 100 85 90 110 120<br />

Rapeseed 100 85 85 110 120<br />

Potatoes 100 85 90 110 120<br />

Sugar beet 100 85 90 105 120<br />

Source: RegIS report (2001)<br />

Table 14 shows the estimated gross margin in 2008£ per ha by types <strong>of</strong> crops in year 2015,<br />

2020 and 2025. Due to the lack <strong>of</strong> projection information for the year 2015, we <strong>use</strong> the<br />

average gross margin during year 2004-2008 as proxy estimation. Note that the estimated<br />

gross margin <strong>of</strong> potato in years 2020 and 2025 is significantly higher than that for year 2015,<br />

and this is ca<strong>use</strong>d by the significance difference between the price <strong>of</strong> 1997 and that <strong>of</strong> 2008. It<br />

is observed in the data that the price <strong>of</strong> potatoes in 1997 was at the lowest level between year<br />

1988 and 2008.<br />

Page 42 • PLUREL report No 4.4.3 • December 2010

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