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Cropping System
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Even Years
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Odd Years
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Rainfed wheat control (RWC)
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unfertilized rainfed wheat
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fallow
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Rainfed wheat/legume (RWL)
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unfertilized rainfed wheat
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rainfed legume cover crop
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Rainfed wheat/fallow (RWF)
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fertilized rainfed wheat
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fallow
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Irrigated wheat control (IWC)
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unfertilized irrigated wheat
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fallow
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Irrigated wheat/legume (IWL)
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unfertilized irrigated wheat
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rainfed legume cover crop
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Irrigated wheat/fallow (IWF)
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fertilized irrigated wheat
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fallow
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Conventional wheat/tomato (CWT)
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fertilized irrigated wheat
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fertilized irrigated tomato
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Conventional corn/tomato (CCT)
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fertilized irrigated corn
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fertilized irrigated tomato
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Legume/corn/tomato (LCT)
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winter legume then irrigated corn
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fertilized irrigated tomato
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Organic corn/tomato (OCT)
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winter legume then irrigated corn
with compost and no pesticides
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winter legume then irrigated tomato
with compost and no pesticides
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There are 6 one-acre plots per system, 3 for each of the two phases.
For example, there are also 3 plots in the RWC system that are fallow in
even years and planted to wheat in odd years.