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Saltwater Crops Could Ease Land Demand

Hardy, saltwater-loving plants could produce biofuels from otherwise unusable land

By Rob Quinn,  Newser Staff

Posted Dec 5, 2008 6:04 AM CST

(Newser) – A worldwide shortage of prime farmland has scientists taking a closer look at plants that thrive on briny water, Wired reports. Plants that can grow in earth too salty for other crops have huge potential for use as biofuel as well as food: One variety produces 1.7 times more vegetable oil per acre than sunflowers, according to a study in the journal Science.

Farming these saltwater crops would give the world an estimated extra half a million square miles of growing space, scientists say, and the land could be irrigated with the saline farm runoff that currently causes ecological problems. Using the crops for ethanol isn't yet financially feasible, but the prospect could defuse the current controversy over using scarce land for biofuels in an increasingly hungry world.

A dead talpia fish on land that once was part of the Salton Sea near Calipatria, Calif. Saline runoff from farms is causing vast ecological problems in the area.
A dead talpia fish on land that once was part of the Salton Sea near Calipatria, Calif. Saline runoff from farms is causing vast ecological problems in the area.   (AP Photo/Chris Carlson)
Salicornia thrives in land too salty for other crops and has huge potential for biofuel use.
Salicornia thrives in land too salty for other crops and has huge potential for biofuel use.   (Shutter Stock)
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I'm convinced that saltwater agriculture is going to open up a whole new expanse of land and water for crop production. - Robert Glenn, a plant biologist at the University of Arizona

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COMMENTS
Showing 1 of 1 comment
Shannonals
Dec 5, 2008 4:10 AM CST
This was dicussed decades ago, but pushed to the side

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