If you assume 25,000 ears per acre, then: â¢ In an average year, 600 x 0.278 = 167. bushels/acre. â¢ In a highly stressful year, kernel size will. be smaller and ways to determine ear population per. 600 x 0.227 = 136 bushels/acre.
Duchy of Warsaw. Duchy of Warsaw, also called Grand Duchy of Warsaw, French DuchÃ© or Grand-DuchÃ© de Varsovie, Polish KsiÄstwo or Warszawskie (1807â15), independent Polish state created by Napoleon.
After the 1795 partition, parts of the Trakai Voivodeship remained in Lithuania and other areas became administrative districts of the Duchy of Poland: 1  1805-1816: ÅomÅ¼a Department. 2  1816-1837: AugustÃ³w Voivodship. 3  1837 - 1867: AugustÃ³w Gubernia.  1867-1914: Lomza, and Suwalki Gubernias established.