| 摘要 |
An irrigation device for a root system of a plant includes a porous housing and plurality of deflectors within the housing to deflect water through the housing to surrounding soil. Water enters the device through natural and artificial surface water sources as well as from a water feed line. Deflectors span an internal cavity of the housing individually or collectively and thereby provide structural support to the sidewall of the housing. Deflectors that span and subdivide the internal cavity include at least one orifice for the passage of water and air. Interconnected deflectors simplify the installation and maintenance of the device. Deflectors interconnect with other deflectors directly in a self-supporting support structure or with a support structure having one or more support elements, Deflectors have varying deflecting surfaces including unitary deflecting surfaces and multifaceted deflecting surfaces having, among others, conical and pyramidal configurations.
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