Tobacco plants do take a considerable amount of water, but researchers have engineered a drought-resistant mutant. In this case the tobacco can withstand a 70% reduction in water with only a 12% reduction in yield. Researchers are hoping to expand this to food crops like tomatoes, but tobacco genomes seem to be easier to play around with.
Not necessarily. Tobacco is a very drought tolerant plant and grows better in soil with less than desirable moisture. However, when it comes time to transplant the crop, about 100-200 gallons must be applied to each plant as its placed in the soil. Hope this helps!
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