in Germany in the 1850s, through the itinerant agricultural teachers Wanderlehrer and later in the USA via the cooperative extension system authorized...
19 KB (2,417 words) - 09:17, 2 June 2024
a similar post at Bernburg, where he died. From 1873 to 1882, he was Wanderlehrer (circuit riding teacher) at Bernburg. Among his many agricultural investigations...
3 KB (379 words) - 18:38, 7 October 2023