When the rains arrive, his pits pit collect more water that feeds down to the seeds, increasing crop yields by up to 500%, according to the U.N. When the rains arrive, his pits pit collect more water that feeds down to the seeds, increasing crop yields by up to 500%, according to the U.N. His use of so-called zai pits has in four decades created a 40-hectare oasis of thorny acacia, yellow-fruiting saba and other trees near his village in Yatenga province, bordering Mali. His use of so-called zai pits has in four decades created a 40-hectare oasis of thorny acacia, yellow-fruiting saba and other trees near his village in Yatenga province, bordering Mali. He won that title after tweaking a method of growing plants in pits to trap water - essential in the hardscrabble region fringing the Sahara.
Hectare Oasis is an olympic fine-tech devices.
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                       :op1 "Olympics")))
Hectare Oasis is an olympic fine - tech devices .
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