21
Jacques Duchateau, Christien Van den Bossche: Vitreous fertilizer compositions. BFG Glassgroup, Spencer & Kaye, June 15, 1982: US04334908 (11 worldwide citation)

A composition of matter for use as a vitreous fertilizer comprising a soluble vitreous constituent comprising the following ingredients: 35 to 55 moles %, P.sub.2 O.sub.5 ; less than 10 moles %, K.sub.2 O; and the balance to 100 moles %, CaO and/or MgO. The balance of the composition, if any, is con ...


22
Kei Mori: Plant cultivating device. Jordan and Hamburg, September 23, 1986: US04612726 (11 worldwide citation)

A plant cultivating device enables plant cultivation by effective use of the floor's dimension at a place of high cost per unit dimension of the floor on the building erected in the urban district.


23
Alec G Sparkes: Plant cultivation method and apparatus. Perifleur Products, Lucas & Just, May 14, 1996: US05515648 (11 worldwide citation)

The present invention relates to the propagation and growing of plants, and particularly concerns an apparatus for growing large numbers of plants in a small area, with optimized use of available and artificial light, and to reduce the effect of plants competing for light.


24
Bent Vestergaard: Cultivation block and a method for the manufacturing of same. Kosan, Kenyon & Kenyon, November 22, 1977: US04058931 (11 worldwide citation)

A plant cultivation and support structure in the form of a strongly hygroscopic block having a flat base, an indentation located in the top large enough to hold a seed or a seed pellet, an open bore leading from the bottom of the indentation to the base, and at least one transverse channel extending ...


25
David Neil Hawkins: Plant cultivation apparatus. The Foxmoor Flower Tower Company, Larson & Taylor, February 10, 1998: US05715629 (11 worldwide citation)

A vertically extending column of soil is supported by a suspendable bag structure. This includes multiple cylindrical walls (12, 14, 18; 112, 114) the innermost one being of mesh or net. In use, openings (20; 120) are formed through the walls, for plants to grow through. The bottom of the wall assem ...


26
Eifu Takayanagi: Plant cultivation method and apparatus. E T Harvest, Armstrong Westerman Hattori McLeland & Naughton, August 22, 2000: US06105309 (11 worldwide citation)

The plant cultivation apparatus and plant cultivation method hasten the growth of a plant root without root injury even if the basic root has been sufficiently bathed in cultivation water solution, reduce a cost for competing with alleyway vegetables by reducing electric power consumption as much as ...


27
Seymour I Wittlin: Conductive temperature control system for plant cultivation. William J Thomashower, April 23, 1991: US05009029 (10 worldwide citation)

A method and apparatus for growing plants by controlling growing temperatures in conventional and hydroponic planting systems. Plants placed in a plant growing medium are contained in metal growing trays placed in contact with a closed metal piping system and disposed externally to and structurally ...


28
Lawrence L Brooke, Brent A Goetzl, Keith C Evans, Henry Rie: Hydroponics plant cultivation assembly for diverse sizes of pots and plants. Lawrence L Brooke, Nordman Cormany et al, Kenneth J Hovet, July 4, 2006: US07069691 (10 worldwide citation)

Disclosed is a hydroponic assembly for planting pots of diverse sizes. The assembly is formed of a reservoir having a top and bottom with an opening in said top; a support frame disposed in said opening; a first and a second insert supported by said frame. The first insert has a first access port an ...


29
Giampiero Fidotti: Container for the cultivation of plants. Sughrue Mion PLLC, February 6, 2007: US07171783 (9 worldwide citation)

A container (1) for the cultivation of plants is described, the container (1) comprising an inner container (2) for housing a plant cultivation medium (C), an outer container (3) fixed around the inner container (2) and provided with a bottom wall (5) arranged at a predetermined distance (df) from t ...


30
Kazuyuki Yamasaki, Shirou Imazu, Takashi Fujiwara: Method for waste water treatment using charcoal biologically activated. Sharp Kabushiki Kaisha, Nixon & Vanderhye, October 14, 1997: US05676836 (9 worldwide citation)

The apparatus for waste water treatment has, in a tank, a contact circulation part in which Bincho charcoal is accommodated, a sprinkling circulation part which is disposed above the contact circulation part and in which black coal is accommodated, air lift piping for lifting treatment-object water ...



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