Apparatus and devices of container or cartridge form usually inserted of buried permanently in the ground near growing plants and adapted to contain water or other material utilized by the plants to encourage the growth thereof.
(1) Note. The water or other material usually may be discharged into the soil by means of some special feature of the device, such as perforations in the container.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1.01, for installed irrigating systems having means to supply fertilizer to the irrigating water.
58, for processes of irrigating or enriching the soil.
SEE OR SEARCH CLASS
111, Planting,
118+, for implements and machines having earth working means and means for directing liquid, gas or vapor into contact with or beneath the surface of the soil. 405, Hydraulic and Earth Engineering,
36+, for installed irrigation devices or systems functioning to conduct the flow of water below ground or in open channels.
