Water productivity is the ratio of the net benefits from crop, forestry, fishery, livestock and mixed agricultural systems to the amount of water used to produce those benefits. In its broadest sense, it reflects the objectives of producing more food, income, livelihood and ecological benefits at less social and environmental cost per unit of water consumed. In the agricultural context, physical water productivity is defined as the ratio of agricultural output to the amount of water consumed -"more crop per drop" (kg of product / m3), and economic water productivity is defined as the monetary value generated from each unit of water consumed (€ / m3). Economic water productivity has been used to relate water use in agriculture to nutrition, jobs, welfare and the environment.; It means growing more food or gaining more benefits with less water.; Unit of biomass produced per unit of water applied.; The ratio of net benefits and the volume of water consumed when producing these benefits.