<P> Soybeans were not widely cultivated in the United States until the early 1930s , and by 1942 it became the world 's largest soybean producer , due in part to World War II and the `` need for domestic sources of fats , oils , and meal '' . Between 1930 and 1942 , the United States ' share of world soybean production grew from 3 % to 47 % , and by 1969 it had risen to 76 % . By 1973 soybeans were the United States ' `` number one cash crop , and leading export commodity , ahead of both wheat and corn '' . </P>
<P> Soybeans were not widely cultivated in the United States until the early 1930s , and by 1942 it became the world 's largest soybean producer , due in part to World War II and the `` need for domestic sources of fats , oils , and meal '' . Between 1930 and 1942 , the United States ' share of world soybean production grew from 3 % to 47 % , and by 1969 it had risen to 76 % . By 1973 soybeans were the United States ' `` number one cash crop , and leading export commodity , ahead of both wheat and corn '' . </P>
what is the number one cash crop in the united states
what is the number one cash crop in the united states
soybeans
soybeans