Summary

In recent years, new equipment and techniques developed by farmers and private industry have improved the suitability of surface drip tape as an alternative to subsurface drip irrigation (SDI) for field crops and vegetable crops in highly mechanized farming.  Retrievable drip tape systems now lack many of the disadvantages of SDI, yet provide the advantages typically expected from drip irrigation.  Tape retrieval practices have now reached well beyond the theoretical realm to the point that they dominate drip systems for cauliflower, lettuce, celery, and broccoli on the Central Coast of California.  It is expected that drip design and practices will continue to change as new technology and materials are introduced.

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