Table 1 Water demand comparison between Cannabis and commodity crops
From: A narrative review on environmental impacts of cannabis cultivation
Plants | Total growing period (days) | Water demand per season (million gallons acre−1) | Daily water demand (gallon ft−2 day−1) | Ref |
|---|---|---|---|---|
Cannabis: outdoor | 150 | 1.57 a | 0.24 | (HGA, 2010) |
Cannabis: outdoor | August | n.a | 0.22 | (Wilson et al., 2019) |
Cannabis: outdoor | September | n.a | 0.17 | (Wilson et al., 2019) |
Cannabis: indoor | August | n.a | 0.18 | (Wilson et al., 2019) |
Cannabis: indoor | September | n.a | 0.22 | (Wilson et al., 2019) |
Cotton | 180–195 | 0.75–1.39b | 0.09–0.15 | (Brouwer and Heibloem, 1986) |
Cotton | / | / | 0.14–0.17 | (Hussain et al., 2020) |
Maize | 130–150 | 0.53–0.86b | 0.07–0.13 | (Brouwer and Heibloem, 1986) |
Corn | / | / | 0.22 (peak) | (Rogers et al. 2017) |
Soybean | 135–150 | 0.48–0.75b | 0.07–0.13 | (Brouwer and Heibloem, 1986) |
Soybean | / | / | 0.22 (peak) | (Rogers et al. 2017) |
Wheat | 120–150 | 0.48–0.69b | 0.07–0.19 | (Brouwer and Heibloem, 1986) |
Wheat | / | / | 0.19 (peak) | (Rogers et al. 2017) |
Rice | 90–150 | 0.48–0.75b | 0.09–0.18 | (Brouwer and Heibloem, 1986) |
Rice | / | / | 0.11–0.15 | (Intaboot, 2017) |