Programmable electronic controllers powered by electricity or solar power for managing data involved in one or more greenhouses by collecting data, storing data, processing data, sending data, by cable and wireless, to and from portable electronic devices, mobile phones, computer operating systems, touchpads, electronic book readers, laptops, servers, and desktop computers, that interface with nutrient systems, lighting systems, ventilation systems, photographic and video systems, and with environmental sensors that monitor one or more of humidity, internal temperature, external temperature, light time, light intensity, batter voltage, wind speed, water level and soil moisture, growing medium pH, photovoltaic panels, batteries, refrigeration apparatus, solar-powered electricity generators, and integrated circuit boards; computer application software for programmable electronic controllers, portable electronic devices, mobile phones, computer operating systems, touchpads, electronic book readers, laptops and desktop computers, for programmable electronic controllers and for interfacing with programmable electronic controllers