Grain farming is also known as vegeculture.
a. True
b. False
Indicate whether the statement is true or false
Question 2
All of the following are long-term challenges associated with high-yield marginal farmlands in the U.S. except:
a. loss of topsoil.
b. high cost of fossil fuel.
c. decreasing salinity of soil.
d. silting of irrigation works.
e. high cost of fresh water.