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April 27, 2011
The fuel cell engine allows a vehicle all the flexibility of a gas or diesel engine, but produces no harmful emissions, only warm air, Ford Motor Company & the Dept. of Energy are ...
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November 13, 2009
The addition of vermicomposts to soils improves soil structure, enhances the microbial population and activity, increases water retention capacity, and in some cases, reduces crop susceptibility ...
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November 13, 2009
Leaf petiole sap nitrate (NO3-N) analysis with hand-held meters has proved to be a valuable tool to guide in-season application of nitrogen (N) for many crops. Sufficiency levels have been ...
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September 21, 2009
Jeffrey Polovina presenting. We have observed an increase in the area of the least productive waters in the central North Pacific, those defined as not exceeding 0.07 mg/m3, from 1998 to 2006, of ...
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June 06, 2009
Discover how Binh Danh invented his own photographic development process which he’s coined "chlorophyll prints." Original air date: May 2006.
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