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1-16 - Lecture 17 Filtration for Trickle Irrigation Systems...

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Sprinkle & Trickle Irrigation Lectures Page 197 Merkley & Allen Lecture 17 Filtration for Trickle Irrigation Systems I. Introduction Water for trickle irrigation systems can come from open reservoirs, canals, rivers, groundwater, municipal systems, and other sources Solid contaminants can include both organic and inorganic matter Examples of inorganic matter are sand, silt and clay (soil particles), and trash floating in the water Examples of organic matter are bacteria, algae, moss, weeds & weed seeds, small fish, insect larvae, snails, and others (see the figure below) Solid contaminants need to be removed from trickle irrigation systems because they: 1. Cause clogging of emitters, which can lead to serious water deficits and non-uniformity of the applied water 2. May cause wear on pump impellers, emitter outlets, and other hardware
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