I do happen to know that he grew marijuana......not sure if that's the answer you're looking for or not. Cotton is also correct, though.
where did George Washington grown up at
Apples are a major crop in the US state of Washington.
Grass
The part that George Washington Carver played in soil conservation was developing methods of crop-rotation. This would conserved nutrients in the soil.
Washington's main cash corp was wheat
Peanuts.
crop rotation methods to conserve the soil.
University of Iowa.
George Washington Carver
Cotton
Coffee is the cash crop grown in Columbia.
No. Salt is mined, not grown. A crop is something that is grown -- plants.