| 摘要 |
A device for improving the delivery of water, aeration and fertilizer to the root system of plants provides an open-ended, water retaining, root barrier envelope which is placed around the root system of the plant, and a plurality of root deflector ribs for delivering water, aeration and fertilizer that extend downwardly along the envelope, and which are attached to the root barrier. Water, aeration, and fertilizer which are applied to the plant in the envelope will percolate downwardly through the upper portion of the soil surface embedding the root. The water will also move downwardly through the deflector ribs and then migrate inwardly through the perforations to a sub surface portion which is below the watered portion of the upper soil surface. Hence, the root system within the sub surface portion will be irrigated by water which has migrated inwardly from the envelope, and this will enable the root system to grow both downwardly and outwardly in a more uniform manner, and with less possibility of drying out.
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