Everything circulates: agricultural chemistry and recycling theories in the second half of the nineteenth century.
Marald
Erland
E
D000383:Agriculture / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D016573:Agrochemicals / Q000191:economics / Q000266:history; D002621:Chemistry / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D003247:Conservation of Natural Resources / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D004777:Environment; D005523:Food Supply / Q000191:economics / Q000266:history; D049672:History, 19th Century; D011634:Public Health / Q000193:education / Q000266:history; D013548:Sweden / Q000208:ethnology
D016573:Agrochemicals