15th- and 16th-Century Iroquoian Agriculture. Dr. John Hart will discuss Iroquoian agricultural practices in New York and southern Ontario and how those practices maintained soil fertility and crop productivity for decades, producing enough food for village populations in the hundreds to thousands of people. A 20-minute talk at The State Museum, from 12:10 to 12:40 p.m., in the Huxley Theater, 222 Madison Avenue Albany, 12230.