US 3,940,884 AGranted

Moisture retainable soil covering with integral fertilizing capabilities

AssigneeThe Simco Company, Inc.

InventorStanley I. Mason, Jr.

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Abstract

A readily adjustable, moisture retainable, air transferable soil covering, integral with fertilizer and, if desired, fungicide is provided that may be used with indoor plants. The soil covering is made up of a biodegradable cellulose paper and film covering having thereon water soluble beads of fertilizer or fungicide. The covering has been perforated in a series of concentric circles together with at least one radial perforation so that the unit may be torn radially to the proper size for the pot, may have an opening in the center for the stem of the plant, and may be torn radially to allow insertion of the stem. The same type covering may also be utilized in rolls for gardens and can be perforated in regular design for regular spacing of plants. The perforations serve the additional purpose of providing for water permeability while the film covering prevents moisture evaporation and permits air to reach the soil, As the plant is watered, a certain portion of the fertilizer is dissolved from the undersurface of the discs and enters the soil to feed the plant. Water is also absorbed by the paper and released, with additional fertilizer over a period of time.

Claims5

Dependent claims

A universal soil cover for use with plants in different sized containers and being capable of retaining moisture in the soil and dispensing plant-useful material to the soil but permitting the passage of air to the soil including

a sheet of biodegradable cellulostic material capable of retaining water,
a plastic film adhered to the upper surface of said water-retaining sheet,
said film of a type permitting the passage of air therethrough but being repellent to water,
beads of water-soluble plant useful material such as fertilizer or fungicide uniformly secured to the lower surface of said water-retaining sheet, whereby water retained in the sheet will be drawn down into the soil and will carry dissolved water-soluble plant-useful material from the beads into the soil,
opening means in said composite sheet and film to receive a plant stem,
at least one separation line in the composite sheet extending outwardly from the stem opening to permit the composite sheet to be placed around a plant stem, and
a plurality of rows of spaced perforations in said composite sheet and film adapted to permit ready tearing away of outer portion of said cover to reduce it to a size conforming to a container holding said plant,
whereby said cover may surround the stem of a plant in a container to retain moisture and dispense plant-useful material therein without preventing aeration of the plant's root structure.

5 more elements

Dependencies are inferred from the claim text.