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Crop yield response to water - Cra

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Figure 1 World pota<strong>to</strong> harvested area and average <strong>yield</strong> over the period 1961-2009 (FAO, 2011).Area harvestedYield10020Area harvested (million ha)908070605040302010019611964196719701973197619791982198519881991199419972000200320062009181614121086420Average <strong>yield</strong> (<strong>to</strong>nne / ha)Figure 2 Pota<strong>to</strong> harvested area (GAEZ, 2011).Reference year 2000POTATO 185

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