AquaPro Holland Groasis Waterboxx

AquaPro Holland Groasis Waterboxx Brian Klutch

The Groasis Waterboxx is our 2010 Best of What’s New Innovation of the Year.

Deforestation and overfarming have helped decrease the productivity of about 70 percent of the world’s arid and semi-arid lands, which could force the migration of 50 million people by 2017. Our innovation of the year, the Groasis Waterboxx, an irrigation-free plant incubator, could help make these lands fertile again. And it’s nothing more than an exceptionally well-designed bucket.

Drylands actually have enough water to sustain trees for decades, but it’s several feet beneath the surface. Because rain and irrigation evaporate quickly, many young plants die before their roots can tap that reservoir. The Waterboxx, shaped more like a doughnut than a box, helps plants survive long enough to make it through that layer of dry soil. Place the tub around a freshly planted seedling, and fill the evaporation-proof basin—just once—with four gallons of water.

The Waterboxx does the rest. At night, its top cools faster than the air, collecting condensation to supplement those initial gallons. The tub drips about three tablespoons of water a day into the soil, sustaining the plant while encouraging its roots to grow deeper in search of more water. Once the plant reaches the moist soil layer, usually after a year, the farmer lifts the box off the plant and reuses it on the next sapling. Each Waterboxx is expected to last 10 years, and, for about a buck or two per tree grown, is cheap enough to use in poor nations.

In tests in the Sahara, 88 percent of Waterboxx-sheltered trees survived, versus 10 percent of trees with traditional cultivation. But the mighty tub’s inventor, Pieter Hoff, still isn’t satisfied. He’s working on a biodegradable version that decomposes to feed the plant too.

$275/10 boxes; groasis.com

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