Abstract: A hydroponic cultivation system includes a plurality of hydroponic cultivation units vertically stacked one over another, each configured to provide a cultivation bed for the plants and including: a tank with an integrated structure; separation bars on a bed of the tank; a planting board; a plurality of removable dispensers, and a plurality of removable dam members. Every two neighboring hydroponic cultivation units are hydrologically coupled to one another such that the culture solution flows top-to-bottom through each of the plurality of hydroponic cultivation units on each level. The removable dam members and the separation bars are configured to facilitate flexible control of depths and passageways of a culture solution flowing in the tank, thereby allowing for convenient switching between a deep cultivation mode and a shallow cultivation mode to support different growth stages of plants being cultivated in the tank of the hydroponic cultivation unit.

Abstract: A method for promoting the accumulation of secondary metabolites of cannabis is disclosed. The method comprises the step of adding an irradiation of green-yellow light, which has a peak wavelength at 505-590 nm, into the indoor growing environment of cannabis to improve the level of cannabidiol (CBD), secondary metabolites in cannabis. While maintaining the light intensity and other growth conditions, the yield and/or level of CBD, secondary metabolites in cannabis, can be increased by up to 11.04%.

Abstract: A method for promoting the accumulation of cannabinoid substances is disclosed. The method comprises the step of adding an irradiation of green light, which has a peak wavelength at 505-526 nm, into the indoor growing environment of cannabis to improve the levels of tetrahydrocannabinol (THC) and cannabidiol (CBD), cannabinoid substances in cannabis. While maintaining the light intensity and other growth conditions, the yields and/or levels of THC and CBD, cannabinoid substances in cannabis, can be increased by up to 21.35%.

Abstract: A hydroponic apparatus includes a cultivation tank and planting containers. The cultivation tank includes an inner space and a top planting groove. Each of the planting containers includes a container body and a container brim The planting containers can be arranged on the planting groove along a width direction of the planting groove, and the planting containers can be moved along a length direction of the planting groove. A hydroponic method includes: placing the planting containers at n positions arranged along the planting groove, wherein each position corresponds to a plant growth and development stage, and is consistent with an order of the plant growth and development stages; and harvesting the plant at the position n at a specified time point, and moving the planting containers at other positions one by one to the positions corresponding to the next plant growth and development stages.

Abstract: A radiator and a plant illumination lamp containing the radiator. The radiator includes a heat-radiating baseplate configured for fixing a heat source, and heat-radiating side plates connected to the heat-radiating baseplate. The heat-radiating side plates each are provided with a plurality of heat-exchanging through grooves running through the heat-radiating side plates. The heat-exchanging through groove forms a heat potential difference, so that under the influence of the heat potential difference, the cold air outside the radiator passes through the heat-exchanging through groove on the heat-radiating side plates, and then flows out through a hot air chamber and an air outlet at an upper end of the hot air chamber after exchanging heat with the heat-exchanging through groove on the heat-radiating side plates, so as to form a strong natural air convection.

Abstract: A multifunctional seedling culturing apparatus includes a fixed seedling culturing pedestal and a movable seedling culturing shelf cart, where the fixed seedling culturing pedestal includes a frame, and light sources are disposed on the frame; the movable seedling culturing shelf cart includes a board shelf, at least two boards are disposed on the board shelf, planting plates are disposed on the at least two boards, a movable apparatus is disposed on a bottom of the board shelf, and the at least two boards on the board shelf match light source positions on the fixed seedling culturing pedestal.

Abstract: A sub-irrigation bed includes a bottom, a side wall surrounding the bottom, a water inlet, and a water outlet. A plurality of support structures is arranged on an upper surface of the bottom, and tops of at least a part of the plurality of support structures lie in the same horizontal plane. By reducing the contact area between the cultivation container and the surface of the sub-irrigation bed to reduce local water accumulation caused by surface tension, the sub-irrigation bed and the cultivation apparatus using the sub-irrigation bed provided by the present invention solve the problem of water accumulation caused by incomplete drainage and the resulting problems that roots grow out of the cultivation container and seedlings grow irregularly, thereby achieving a good root control effect.

Abstract: The present invention relates to the technical field of plant lighting, in particular to a panel type combined plant lamp, at least including a panel lamp. Any end of the panel lamp is provided with a rotating connection part, the joint of the rotating connection part and the panel lamp is provided with a slide sleeve plate, the slide sleeve plate includes a pulling plate and a bottom plate, the bottom plate is fixedly connected to the panel lamp or the rotating connection part, the pulling plate is fixedly connected to the panel lamp or the rotating connection part, the thickness of the panel lamp is 3 to 40 mm, the slide sleeve plate is internally provided with a slide groove along the length direction, both sides of the slide groove are provided with openings.

Abstract: A planting device, a multilayer stereo-planting system using the planting device, and a planting system of a plant factory using the multilayer stereo-planting system are provided. The planting device includes the planting tray and the planting board which can be moved as a whole. The nutrient solution inlet and the nutrient solution outlet are located on the same side of the planting tray. The multilayer stereo-planting system includes the support rack and the nutrient solution supply system installed on the support rack. The planting device can be detachably installed on the support rack as a whole. The planting tray and the planting board of the planting device can be taken out and placed in together, protects the plant seedlings from injuries, and avoids the leakage phenomenon of the nutrient solution.

Abstract: An LED plant growth lamp spectrum, the spectrum including: a light wave of 500-599 nm and a light wave of 700-780 nm, where a ratio of the number of photons in the range of 500-599 nm to the number of photons in the range of 700-780 nm is 0.9-1.6:1. The LED plant growth lamp spectrum promotes indoor cultivation and growth of plants, and helps to increase the yield of medicinal components per unit area and per unit time in the factory production.

Abstract: A multi-spectrum generating device and method thereof. The multi-spectrum generating device includes at least one first luminaire, at least one second luminaire, and a control component. The first luminaire and the second luminaire each have a light source. The control component is connected to the first luminaire and the second luminaire for controlling the first luminaire and the second luminaire. In the present application, by controlling the switches of the first luminaire and the second luminaire, the multi-spectrum can be realized, so as to meet some special requirements of photobiological regulation. Moreover, the first luminaire and the second luminaire are mutually independently controlled luminaires and are controlled by different power sources, so the control circuit is simple and has a low cost, without affecting the primary demanded spectra provided by the first luminaire. Therefore, the present application has high utilization rate and high flexibility in use.

Abstract: An LED plant growth lamp spectrum, the spectrum including: a light wave of 500-599 nm and a light wave of 700-780 nm, where a ratio of the number of photons in the range of 500-599 nm to the number of photons in the range of 700-780 nm is 0.9-1.6:1. The LED plant growth lamp spectrum promotes indoor cultivation and growth of plants, and helps to increase the yield of medicinal components per unit area and per unit time in the factory production.

Abstract: A sub-irrigation bed includes a bottom, a side wall surrounding the bottom, a water inlet, and a water outlet. A plurality of support structures is arranged on an upper surface of the bottom, and tops of at least a part of the plurality of support structures lie in the same horizontal plane. By reducing the contact area between the cultivation container and the surface of the sub-irrigation bed to reduce local water accumulation caused by surface tension, the sub-irrigation bed and the cultivation apparatus using the sub-irrigation bed provided by the present invention solve the problem of water accumulation caused by incomplete drainage and the resulting problems that roots grow out of the cultivation container and seedlings grow irregularly, thereby achieving a good root control effect.

Abstract: A method for promoting the accumulation of secondary metabolites of cannabis is disclosed. The method comprises the step of adding a green-yellow light, which has a peak wavelength at 506-571 nm, into the indoor growing environment for cannabis, and maintaining the light intensity and other growth conditions, to improve the content of secondary metabolites. The production of secondary metabolites of cannabis can be increased by up to 18%.

Abstract: An LED plant illumination lamp module includes at least two light source modules and two lamp module cases located at both ends of the light source modules. Each of the light source modules includes a lamp tube, a circuit board mounted inside the lamp tube, and LED lamp beads fixed on the circuit board. At least two lamp tube insertion slots are arranged on one side of each of the lamp module cases, and two ends of the lamp tube are respectively inserted into the lamp tube insertion slots on the lamp module cases. At least one of the lamp module cases is provided with an LED power supply, and an output end of the LED power supply is connected to the circuit board inside the lamp tube.

Abstract: A plant illumination optical device includes two LED lamp bodies. Each of the LED lamp bodies includes a reflector and an LED lamp located at an inner side of the reflector, and an angle between the central light rays of the two LED lamp bodies is adjustable. A plant cultivation device contains the plant illumination optical device. The plant illumination optical device and the plant cultivation device can reflect the light beyond the planting area to the planting area and can supplement the illumination on both sides of the illumination centerline, thereby avoiding light waste, improving energy efficiency, improving the illumination uniformity in the planting area, and improving planting quality of the planting area.

Abstract: A multi-spectrum generating device and method thereof. The multi-spectrum generating device includes at least one first luminaire, at least one second luminaire, and a control component. The first luminaire and the second luminaire each have a light source. The control component is connected to the first luminaire and the second luminaire for controlling the first luminaire and the second luminaire. In the present application, by controlling the switches of the first luminaire and the second luminaire, the multi-spectrum can be realized, so as to meet some special requirements of photobiological regulation. Moreover, the first luminaire and the second luminaire are mutually independently controlled luminaires and are controlled by different power sources, so the control circuit is simple and has a low cost, without affecting the primary demanded spectra provided by the first luminaire. Therefore, the present application has high utilization rate and high flexibility in use.

Abstract: A multifunctional seedling culturing apparatus includes a fixed seedling culturing pedestal and a movable seedling culturing shelf cart, where the fixed seedling culturing pedestal includes a frame, and light sources are disposed on the frame; the movable seedling culturing shelf cart includes a board shelf, at least two boards are disposed on the board shelf, planting plates are disposed on the at least two boards, a movable apparatus is disposed on a bottom of the board shelf, and the at least two boards on the board shelf match light source positions on the fixed seedling culturing pedestal.

Abstract: A hydroponic apparatus includes a cultivation tank and planting containers. The cultivation tank includes an inner space and a top planting groove. Each of the planting containers includes a container body and a container brim The planting containers can be arranged on the planting groove along a width direction of the planting groove, and the planting containers can be moved along a length direction of the planting groove. A hydroponic method includes: placing the planting containers at n positions arranged along the planting groove, wherein each position corresponds to a plant growth and development stage, and is consistent with an order of the plant growth and development stages; and harvesting the plant at the position n at a specified time point, and moving the planting containers at other positions one by one to the positions corresponding to the next plant growth and development stages.

Abstract: A hydroponic cultivation system includes a plurality of hydroponic cultivation units vertically stacked one over another, each configured to provide a cultivation bed for the plants and including: a tank with an integrated structure; separation bars on a bed of the tank; a planting board; a plurality of removable dispensers, and a plurality of removable dam members. Every two neighboring hydroponic cultivation units are hydrologically coupled to one another such that the culture solution flows top-to-bottom through each of the plurality of hydroponic cultivation units on each level. The removable dam members and the separation bars are configured to facilitate flexible control of depths and passageways of a culture solution flowing in the tank, thereby allowing for convenient switching between a deep cultivation mode and a shallow cultivation mode to support different growth stages of plants being cultivated in the tank of the hydroponic cultivation unit.