Straw albedo mitigates extreme heat

Wheat fields are often tilled immediately after the crop is harvested, removing the light-coloured stubble and crop residues from the soil surface and bringing dark bare earth to the top. Post-harvest tilling is a widely ...

New process targets valuable green chemicals

(Phys.org) —Milk cartons, plastic bags, car seats... the list of items made from petroleum extends far beyond fuel, increasing our reliance on limited fossil resources. That's why researchers in the Great Lakes Bioenergy ...

Bioasphalt to be used, tested on Des Moines bike trail

Iowa State University's Christopher Williams was just trying to see if adding bio-oil to asphalt would improve the hot- and cold-weather performance of pavements. What he found was a possible green replacement for asphalt ...

Huge challenges in scaling up biofuels infrastructure

(PhysOrg.com) -- Ramping up biofuels production to replace fossil fuels and provide a significant portion of the nation's energy will require nothing short of a transformation of the U.S. agricultural, transportation and ...

Ethanol production could jeopardize soil productivity

There is growing interest in using crop residues as the feedstock of choice for the production of cellulosic-based ethanol because of the more favorable energy output relative to grain-based ethanol. This would also help ...

Crop residue decisions affect soil life between planting seasons

After harvest in the fall, farmers take the harvested crops to market or store them on their farm. They don't take the whole plant from the field, though. The leftover parts of the plant, like the stalk and leaves from corn, ...

page 1 from 5