A system and adjustable apparatus for applying CO.sub.2 gas to improve Cannabis production. The system includes upstream and downstream stages or subsystems. The upstream subsystem receives and stores gas, particularly CO2 gas. It monitors the environment of the downstream subsystem, determines when and how to apply gas to plants growing in the downstream system, acquires gas stored in the upstream subsystem, and distributes it to the downstream system. It also has various monitoring, command and control, management, and reporting features. The downstream subsystem includes one or more plant growth areas or plots, gas distribution means, such as gas conduits, tubes or lines from the midstream subsystem, and the high efficiency, adjustable gas applicator, and various sensing and monitoring devices communicatively connected to the upstream subsystem. Also disclosed are odor mitigation and humidity control features.

This invention relates to a process and apparatus for growing agricultural products with a reduced abundance of radioactive carbon-14 (.sup.14C) by employing centrifugal separation of atmospheric gases to selectively remove carbon dioxide (CO.sub.2) with .sup.14C. Agricultural products with reduced .sup.14C content can be grown in controlled environments with filtered atmospheric gases for the benefit of reducing harmful damage to human DNA that is unavoidable with our current food chain, due to the natural abundance of .sup.14C in atmospheric gases. Bilateral and unilateral compression helikon vortex apparatus provide efficient and economical removal of CO.sub.2 with .sup.14C from atmospheric gases with a single filtration pass, which is ideally suited for large scale agricultural production.

This invention relates to a process and apparatus for growing agricultural products with a reduced abundance of radioactive carbon-14 (.sup.14C) by employing centrifugal separation of atmospheric gases to selectively remove carbon dioxide (CO.sub.2) with .sup.14C. Agricultural products with reduced .sup.14C content can be grown in controlled environments with filtered atmospheric gases for the benefit of reducing harmful damage to human DNA that is unavoidable with our current food chain, due to the natural abundance of .sup.14C in atmospheric gases. Bilateral and unilateral compression helikon vortex apparatus provide efficient and economical removal of CO.sub.2 with .sup.14C from atmospheric gases with a single filtration pass, which is ideally suited for large scale agricultural production.

This invention describes a method and apparatus for the capture, storage and release of carbon dioxide for use in the horticulture industry, the method including reduction of a transition metal oxide to form a transition metal and carbon dioxide; carburization or partial carburization of the transition metal to form metal carbide; carbonation of an alkaline metal oxide or alkaline earth metal oxide to form an alkaline metal carbonate or alkaline earth metal carbonate; contacting the metal carbide with air to produce a transition metal oxide and carbon dioxide; and calcining the alkaline metal carbonate or alkaline earth metal carbonate to form carbon dioxide and alkaline metal oxide or alkaline earth metal oxide. Also described is a sorbent material for use in the method and apparatus of the invention.

Stable compositions comprising 1-methylcyclopropene and a low volatility stabilizer, and methods of using the composition, are provided. Methods for using the compositions in delaying the maturation of plants, such as fruits, vegetables, and flowers are also provided.

Stable compositions comprising 1-methylcyclopropene and a low volatility stabilizer, and methods of using the composition, are provided. Methods for using the compositions in delaying the maturation of plants, such as fruits, vegetables, and flowers are also provided.

A flow distribution assembly provides air circulation to a rack-based vertical gardening system. The distribution assembly includes a housing having air inlet and outlet portions, and defining a plenum therebetween. At least one elongated duct has an end fluidly coupled to housing's air outlet portion, the duct adapted to extend along a shelf of the rack, to an opposite end thereof. A fan is fluidly coupled to the housing's air inlet portion and is supportable by the rack so that it can direct ambient air into the air inlet portion. The duct has a plurality of openings arranged to direct air at a plant growing area of the gardening system when the distribution assembly is mounted on a rack system. Optionally, the air inlet portion is positionable laterally outboard of plant growing regions of the vertical gardening system.

A flow distribution assembly provides air circulation to a rack-based vertical gardening system. The distribution assembly includes a housing having air inlet and outlet portions, and defining a plenum therebetween. At least one elongated duct has an end fluidly coupled to housing's air outlet portion, the duct adapted to extend along a shelf of the rack, to an opposite end thereof. A fan is fluidly coupled to the housing's air inlet portion and is supportable by the rack so that it can direct ambient air into the air inlet portion. The duct has a plurality of openings arranged to direct air at a plant growing area of the gardening system when the distribution assembly is mounted on a rack system. Optionally, the air inlet portion is positionable laterally outboard of plant growing regions of the vertical gardening system.

A plant planting device and a plant planting method. The plant planting device includes at least one plant growing tank, the at least one plant growing tank includes a tank body and a tilt member which is obliquely provided at a bottom of the tank body, configured to support a plant and includes at least one flow guiding element provided on the tilt member; the at least one flow guiding element is arranged to guide liquid for growing the plant to flow from an end to an other end of the tilt member, and the end and the other end of the tilt member are relatively tilted with each other.

A plant planting device and a plant planting method. The plant planting device includes at least one plant growing tank, the at least one plant growing tank includes a tank body and a tilt member which is obliquely provided at a bottom of the tank body, configured to support a plant and includes at least one flow guiding element provided on the tilt member; the at least one flow guiding element is arranged to guide liquid for growing the plant to flow from an end to an other end of the tilt member, and the end and the other end of the tilt member are relatively tilted with each other.