Method for making fertilizer cartridge

摘要: A lawn and garden feeding apparatus includes a container made of transparent plastic, having inlet outlet hose connections disposable cartridge which is inserted into the container. The comprises gel with plant nutriment water soluble dye suspended therein fitting inside bore communicating connections. connected by to source conventional sprinkler or nozzle so that in use apparatus, flows through drawing from micro-feeding amounts, discharged nozzle. Extraction gel, after selected period time, results perceptible change color, indicating requires replacement.