Title: Drip irrigation system for agriculture

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Abstract: A drip irrigation system for agriculture comprises a plurality of water distribution lines extending across a field or similar area for growing crops. The lines are arranged in at least two separate groups, and the lines in each of the groups are interconnected. A source of pressurized, substantially unfiltered water is selectively communicated with the lines, and a plurality of water emitters are connected with and spaced along each of the lines for discharging water into the soil. Each emitter has an orifice sized to generally allow foreign material in the unfiltered water to pass therethrough. A water distributor has an inlet portion connected with the water source, and at least two outlet ports each connected with an associated one of the water line groups. A sequencing valve indexes between the first and second ports, and sequencially and individually communicates each of the line groups with the water source, whereby surges of water rush through the line to alleviate clogging of the orifices by the foreign material in the water.


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