Which of the Following Farming Practices Encouraged the Widespread Use
Which of the following farming practices encouraged the widespread use of monoculture?
A)genetically uniform plant species.
B)increased mechanization of farm machinery.
C)intense fertilization of crops.
D)intense use of herbicides and pesticides.
E)All of these encouraged the widespread use of monoculture.
Fifty percent of cotton grown in the United States is of ________ varieties.
Monoculture has been the underlying cause of which of the following disasters?
A)the Irish potato famine
B)the destruction of Sri Lankan coffee plantations
C)the corn leaf blight epidemic
D)the extensive loss of Florida citrus trees
E)All of the above are correct.
India,has lost 75% of the 30,000 land races of rice it once had.What led to the loss of all of those land races of rice?
A)an epidemic of the disease bakanae
B)dependence on high-yielding crops
C)switching from rice as a staple to corn and potatoes
D)an invasion of Norwegian rats
E)the widespread use of herbicides