Sentences with phrase «form of agricultural crop»

Not exact matches

This ready and seemingly inexhaustible supply of phosphorus, in the form of guano phosphate (seabird droppings), dramatically increased Australian crop yields, and agricultural productivity following the Second World War.

Chemists at the National Renewable Energy Laboratory are closing in on cheap ways to make cellulosic ethanol, a form of ethanol derived from agricultural waste rather than food crops like soybeans or corn.