monoculturenoun
/ˈmɒn.əˌkʌl.tʃər//ˈmɑː.nəˌkʌl.tʃɚ/[ U ] specialized environment the practice of growing only one crop or keeping only one type of animal on an area of farm land:
Extensive irrigation for corn monoculture depletes water resources.
[ C ] specialized environment an area of farm land on which only one crop is grown or one type of animal is kept, or the crops grown or animals kept there:
These vast monocultures have replaced important ecosystems.
[ C ] a culture that is the same in many different places:
Globalization has imposed a dull monoculture, which swamps national traditions and eccentricities.