Final answer:
The agricultural advances of irrigation, three-field rotation, iron-tipped plows, and improved horse collars are discussed.
Explanation:
Irrigation was not a new agricultural advance made during this time. Irrigation was practiced in an organized manner in Mesopotamia around 2500 B.C., as part of early agricultural improvements. Other advances such as the three-field rotation, iron-tipped plows, and improved horse collars were significant innovations that enhanced agricultural productivity during various historical periods.
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