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Air Movement in Grow Room – Some Basic Considerations
Plants grow best in an environment that is well ventilated to effectively dissipate heat. All artificial light sources generate heat and grow rooms have to be therefore, provided with some means of cooling. Cooling of grow rooms is best done using blowers, with one mounted on the inside to blow hot air out, and the other mounted on the outside to blow cool air in.
For Hydroponics Growers
The development of better health consciousness among consumers has led to a phenomenal growth in the demand for hydroponically grown produce. A combination of hydroponic technology and a controlled environment greenhouse or indoor grow rooms can tackle this demand. Such a blend is known as Soil-less/Controlled Environment Agriculture (S/CEA).
Water Cooled Lighting
All conventional sources of light produce heat as well as light. While some lights sources like the incandescent filament lamp are quite inefficient, producing huge amounts of heat, others like the sodium vapor lamp are somewhat more efficient and run comparatively “cool”. In applications like hydroponics this heat produced in the lamp can have several deleterious effects on the plants in an indoor grow room. It is imperative in such applications that the heat generated in the lamp is dis
Salinity & Salinity Meters
Plants need water for growth and healthy development. If plants are deprived of the required amounts of water, over a period they will whither and die. Unlike plants grown in soil, plants grown hydroponically in grow rooms and indoor greenhouses, are completely dependent on supplied water to meet their nutritional needs. It is therefore important that growers gain a basic understanding of certain vital aspects concerning water supply and plant nutrition.
Air Movement to Gain Control Over Temperature, Humidity & CO2
In addition to light and carbon dioxide all plants, whether they are grown in soil or in indoor grow rooms, need a steady supply of fresh air. While this is achieved naturally in outdoor gardens, fields, farms etc., in hydroponics gardening special means have to adopted to ensure air movement for continual supply of fresh air. This is done using fans blowers and associated equipment.
Growth Influencing Factors
In conventional cultivation plants are grown outdoors. Though plats get all the growth inputs outdoors, they are also exposed to pests, parasites and the vagaries of the elements. That is the way Mother Nature intended it to be. But man had different ideas. He learned to grow plants under simulated conditions in indoor grow rooms.
Factoring In pH in Hydroponic Cultivation
Plants need to absorb nutrients to support growth whether they are grown using hydroponics techniques or they are grown in soil using conventional cultivation methods. But even with the best nutrients available to them, plants may fail to grow and whither away if a factor known as pH is too high or too low.
Plant Propagation in Hydroponics
The term propagation refers to starting of plants. There are two methods that are most widely used for plant propagation in hydroponics. These are seed germination and rooting cuttings (cloning).
Busting Grow Room Odors with Activated Carbon
Grow rooms and green houses, particularly at harvest time, may give off all kinds of disagreeable odors. These odors are produced by many vegetables like cabbage etc. at ripening time. Unless removed from the air exhausted from the grow room, the odors can be a nuisance to people in the neighborhood.

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