Application of sand and geotextile envelope in surface of drip irrigation


Application of sand and geotextile envelope in surface of drip irrigation

Drip or trickle irrigation is a very efficient method of applying water and nutrients to crops (Lamont et al., 2002). For many crops, the conversion from surface and sprinkler irrigation to drip irrigation can reduce water use significantly. Crop yields can increase through improved water and fertility management and reduced disease and weed pressure. When drip irrigation is used with polyethylene mulch, yields can increase even further (Lamont et al., 2002).Two basic types of drip lines are most commonly used for commercial vegetable production, with turbulent flow drip tape. This polyethylene product is thin-walled which collapses when not pressurized, and has emitters formed into its seam during manufacturing. Drip tapes are operated at pressures ranging from 6 to 15 psi. Drip tubes with internally attached emitters are an alternative to turbulent flow drip tapes. Products with in-line or internally attached emitters tend to be more expensive, but often have better water distribution uniformity and better clogging resistance.

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