Agricultural production in Germany, 1800 to 1950.

负责人：

关键词：

KAT76 Historical Studies Data

DOI：

doi:10.4232/1.8310

摘要：

ultural employment and productivity per employee 1800-1950 D.7 Mineral fertiliser consumption 1878/80-1950/51 D.8 Development of dung production 1800-1950