Soil moisture sensors; electric and electronic controllers for regulating moisture content; computer programs for calculating parameters of a drip irrigation installation; control valves for regulating the flow of liquids, namely water flow control valves; remote controls for irrigation systems; timers for use with irrigation systems; parts for spray, sprinkling, drip and trickle irrigation systems, namely, pressure regulators and water control valves

Parts for spray, sprinkling, drip and trickle irrigation systems, namely, spray nozzles, sprinklers and sprinkler heads, sprayers, water emitters, and water filters

Non-metal tubes, couplings, hoses, and tapes and non-metal flexible pipes for agricultural, horticultural, nursery, green house and landscaping use and non-metal parts and fittings therefor; plastic sheeting for agricultural and horticultural use; parts for spray, sprinkling, drip and trickle irrigation systems, namely, non-metal flexible pipes and pipe adapters and connectors, tubes, irrigation lines and hoses, and irrigating tape