A plant-cultivation method and system that aids automation of farms/lawns, home-farms, roof-farms and similar conveyor-based farms.The plants are held on the conveyor preferably the whole of their life. The conveyor is operated such that the plants repeatedly visit the same processing resource(s) throughout their life. Repetitive plant processes are automated and centralized including watering, nutrient-feed, pruning, inspecting, treatment, harvesting, etc.Eliminates duplicate resources. Multiple types of plants can be grown simultaneously. Applicable to lawns and eliminates noisy gasoline mowers.Converts building-roofs and walls into fully automated lawns/farms. Home & building owners farm on their building and enjoy the organic harvest and optionally sell to neighbors. Saves on the building energy costs, farming resource capacity and the fossil fuel usage.Helps farming in non-fertile lands.Increases green-house resources efficiency.Adaptable with hydroponic, aquaponic or aeroponic farming methods.