claim: Growers regularly pump CO2 into greenhouses, raising levels to three times that of the natural environment, to produce stronger, greener, healthier plants.”
evidences.evidence_id: Cannabis cultivation:173
evidences.article: Cannabis cultivation
evidences.evidence: Adequate levels of CO2 must be maintained for the plants to grow efficiently.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Carbon dioxide:240
evidences.article: Carbon dioxide
evidences.evidence: Plants can grow as much as 50 percent faster in concentrations of 1,000 ppm CO 2 when compared with ambient conditions, though this assumes no change in climate and no limitation on other nutrients.
evidences.votes: SUPPORTS REFUTES
evidences.evidence_id: Greenhouse:73
evidences.article: Greenhouse
evidences.evidence: Secondary metabolites, e.g., cardiac glycosides in Digitalis lanata, are produced in higher amounts by greenhouse cultivation at enhanced temperature and at enhanced carbon dioxide concentration.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Hydroponics:281
evidences.article: Hydroponics
evidences.evidence: To increase yield further, some sealed greenhouses inject CO2 into their environment to help improve growth and plant fertility.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Vertical farming:136
evidences.article: Vertical farming
evidences.evidence: Greenhouses commonly supplement carbon dioxide levels to 3–4 times the atmospheric rate.
evidences.votes: SUPPORTS SUPPORTS