[Were there any technological    innovations in agriculture before the 19th century?].
F
F
Sigaut
D000383:Agriculture / Q000191:economics / Q000193:education / Q000266:history; D019649:Food Industry / Q000191:economics / Q000193:education / Q000266:history; D005523:Food Supply / Q000191:economics / Q000266:history; D005524:Food Technology / Q000191:economics / Q000193:education / Q000266:history; D005602:France / Q000208:ethnology; D049672:History, 19th Century; D012424:Rural Population / Q000266:history