Water-conserving Irrigation Strategies Minimize Overwatering, Runoff

Conserving water and reducing the environmental impact of runoff are two important issues confronting container nursery operations. Current regulations in five states limit water consumption and/or nutrient concentrations in runoff. Researchers investigated whether irrigation scheduling based on daily water use (DWU) -- the combined loss of water from plant transpiration and substrate evaporation -- could conserve water. According to the study, "scheduling irrigation according to plant DWU substantially reduced the amount of irrigation applied.

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