Electrical controls for irrigation sprinkler systems; Sprinkler valve wiring hubs; Electronic irrigation controllers programmable via a front-panel user interface, a computer connected to the Internet or via a telecommunications network, handheld mobile device, or mobile phone comprising a network of wired or wireless sprinkler and drip-irrigation controllers and parametric sensors that measure and regulate optimal water delivery based on at least one or more environmental parameters, namely, fluid velocity, flow volume, water pressure, irrigation duration and frequency, precipitation, ground saturation, sun exposure, latitude, longitude, elevation, ambient and ground temperature and humidity, hydraulic conductivity, soil composition and pH, evaporation, transpiration, evapotranspiration, barometric pressure, wind speed and direction, weather forecasts, surface area, slope, plant and tree species, and time of day and year; Downloadable software in the nature of a mobile application for remote configuration, data collection and storage, management, monitoring, measurement, analysis and reporting of irrigation systems, namely, electronic sprinkler and drip-irrigation controllers and parametric sensors that measure and regulate optimal water delivery based on at least one or more environmental parameters, namely, fluid velocity, flow volume, water pressure, irrigation duration and frequency, precipitation, ground saturation, sun exposure, latitude, longitude, elevation, ambient and ground temperature and humidity, hydraulic conductivity, soil composition and pH, evaporation, transpiration, evapotranspiration, barometric pressure, wind speed and direction, weather forecasts, surface area, slope, plant and tree species, and time of day and year; Computer storage devices, namely, high-speed storage subsystems for storage and backup of electronic data either locally or via a telecommunications network