If the trees are grown on marginal lands, then the space is not subtracting from food production.........
When I was in Florida a few years ago I talked to a guy who said he was converting some of his marginal citrus land to growing jatropha for biofuel. Apparently this plant will produce 10 times more fuel per acre than corn. The big plus is that it grows well on land where citrus trees will grow only with intensive watering and fertilization.
“If the trees are grown on marginal lands, then the space is not subtracting from food production.........”
Okay, but if the land is “marginal,” does that mean it requires water and/or fertilizers that would otherwise go toward food production?