New estimates of land productivity in Belgium, 1750-1850.
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D000383:Agriculture / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D001530:Belgium / Q000208:ethnology; D003132:Commerce / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D018556:Crops, Agricultural / Q000191:economics / Q000266:history; D005502:Food / Q000191:economics / Q000266:history; D019649:Food Industry / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D005523:Food Supply / Q000191:economics / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century; D011156:Population Density; D011634:Public Health / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D011908:Rationalization; D013223:Statistics as Topic / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence