Norman Borlaug developed high-yield crop varieties by using conventional breeding techniques. Moreover, agricultural biotechnology corporations use DNA recombinant technologies to improve crop yield.

Norman Borlaug was an American agronomist who developed high-yield semi-dwarf crops (i.e., wheat and rice) varieties during the 60s by crossing different crop varieties.

This period of time was known as the 'Green Revolution' and led Borlaug to win the Nobel Peace Prize because his work helped to alleviate hunger in developing countries.

Moreover, current agricultural biotechnology corporations use DNA recombinant technologies to develop genetically modified organisms, which exhibit desired traits for agriculture (for example, resistance to drought or high grain yield).

A genetically modified organism is any organism (e.g., a plant) whose genetic material has been altered by using DNA recombinant technologies.

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