Carbon makes up about 45% of the dry weight of plants and is arguably the most important element to plant structure
Plants fix carbon from CO2 in the air, but ambient levels of CO2 aren’t nearly enough to maximize plant growth, especially in high-tech greenhouses where all other growth variables can be maximised.
The benefits of CO2 enrichment on crop yield in most fruits, vegetables and flowers grown in greenhouses is well documented. Increases in crop yield of as much as 30% can be gained through enriching a greenhouse with CO2, increasing grower revenue and profits.
The graph on the right shows crop production at different CO2 concentrations. The wide band is due to variation between crops and to conditions. This graph is based on data from about 60 publications of experiments worldwide in many greenhouse crops (Source: Elly Nederhoff, 1994).
Our containerised HL3000 system allows rapid transport and installation and will enrich 3 Ha of hydroponic greenhouse to ~700ppm (or 2Ha to 1000ppm), at around half the price of existing CO2 supplies. Increasing the number of units feeding a greenhouse can increase the concentration of CO2 within the greenhouse.
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