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Agriculture ; Besoins en eau ; California ; Central Valley ; Diffusion des innovations ; Etats-Unis ; Géographie de l'Amérique ; Hydraulique agricole ; Irrigation ; Système d'irrigation
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Since the late 1970s, an irrigation technology called linear move has been introduced into California's valleys and then elsewhere. In spite of their high cost, these wheeled machines of interconnected pipes are adopted because they require little