Irrigation and fertilization system

Details Irrigation and fertilization system Irrigation and fertilization system

1993-10-22

1994-04-19

Raymond, Richard L.

Plant husbandry

Plant irrigators and/or fertilizers, apparatus or method

47 79, 47 58, 47DIG10, 47 81, A01G 2900, A01G 2506, A01B 7902

Patent

active

053035038

ABSTRACT:
A fertilization and irrigation system including a hollow tubular fiber conduit having a liquid permeable wall for nitrogen fertilizing and irrigating soil. The conduit or length of this tubular material is placed within the soil generally in the vicinity of the root level of plants to be irrigated. For nitrogen fertilization, ammonium hydroxide (NH.sub.4 OH) is introduced into the conduit, the ammonia (NH.sub.3) then allowed to permeate through the conduit wall into the soil. The presence of ammonium hydroxide may be by circulation or held statically under a varying amount of static head pressure. The ammonium hydroxide interacts to dissolve plasticizer within the hollow fiber conduit so that the plasticizer will thereafter go into colloidal suspension within water and carried away. By removal of plasticizer in this manner, both fertilization efficiency and the water permeability of the conduit for subsequent irrigation of the plants and soil are increased significantly.

REFERENCES:
patent: 4651468 (1987-03-01), Martinez et al.
patent: 4805343 (1989-02-01), Patterson et al.
patent: 4920694 (1990-05-01), Higa
patent: 4928427 (1990-05-01), Patterson

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