In yesterday’s WPI Middle East, Mediterranean and Africa Regional analysis report, it was noted that Kenyan farmers are switching from growing maize to growing sweet potatoes. The latter being easier to grow than drought sensitive maize and netting three crops per year. But whether maize or sweet potatoes, rainfall is still necessary and FAO data shows that Kenya’s production of both crops had been declining.
Sweet potatoes can yield up to 10-times or more the weight per hectare, but both crops in Kenya have been relatively volatile.
There are also important nutritional tradeoffs. Where macronutrients are important, maize has a slight edge. And when looked at for micronutrients, the edge goes to sweet potatoes...
The Olympic marmot (Marmota olympus) is a rodent in the squirrel family, Sciuridae. It occurs only in the U.S. state of Washington, at the middle elevations of the Olympic Peninsula. The closest relatives of this species are the hoary marmot and the Vancouver Island marmot. In 2009, it was decl...
The Alaska marmot (Marmota broweri), also known as the Brooks Range marmot[3] or the Brower's marmot,[4] is a species of rodent in the family Sciuridae. Once considered to be the same species as the hoary marmot, it is now known to be unique. Alaska marmots are found in the scree slopes of the...
