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2013•Unpublished venueRequires access

OPTIONS FOR REDUCING NONPOINT POLLUTION FROM SURFACEIRRIGATED FIELDS THOUGH IMPROVED IRRIGATION

Blaine Hanson

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Abstract

Both surface runoff and drainage below the root zone from surface irrigation contribute tononpoint source (NPS) pollution of surface and ground waters. Options for reducing nonpointsource pollution through improved surface irrigation are discussed herein. Irrigation systemcharacteristics that affect nonpoint source pollution are uniformity of infiltrated water andirrigation efficiency. Drainage can be reduced by increasing the uniformity of infiltrated water byreducing field length and converting to surge irrigation. Surface runoff can be reduced using avariety of approaches such as cutoff irrigation, recirculation systems, and runoff storage systems.

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What this paper is about

Both surface runoff and drainage below the root zone from surface irrigation contribute tononpoint source (NPS) pollution of surface and ground waters. Options for reducing nonpointsource pollution through improved surface irrigation are discussed herein. Irrigation systemcharacteristics that affect nonpoint source pollution are uniformity of infiltrated water andirrigation efficiency. Drainage can be reduced by increasing the uniformity of infiltrated water byreducing field length and converting to surge irrigation. Surface runoff can be reduced using avariety of approaches such as cutoff irrigation, recirculation systems, and runoff storage systems.

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Available abstract

Both surface runoff and drainage below the root zone from surface irrigation contribute tononpoint source (NPS) pollution of surface and ground waters. Options for reducing nonpointsource pollution through improved surface irrigation are discussed herein. Irrigation systemcharacteristics that affect nonpoint source pollution are uniformity of infiltrated water andirrigation efficiency. Drainage can be reduced by increasing the uniformity of infiltrated water byreducing field length and converting to surge irrigation. Surface runoff can be reduced using avariety of approaches such as cutoff irrigation, recirculation systems, and runoff storage systems.

Key concepts: Surface runoff, Environmental science, Nonpoint source pollution, Irrigation, Drainage, Pollution, Surface irrigation, Hydrology (agriculture)

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OPTIONS FOR REDUCING NONPOINT POLLUTION FROM SURFACEIRRIGATED FIELDS THOUGH IMPROVED IRRIGATION — Research Paper | ScholarLens