Cultivation-Plan, Production And Production-Costs Agriculture In A Few Municipalities Of The Provinces Of Antwerp And East-Flanders (Early 19th Century): Since the middle of the 19th century censuses of the cultivated area, the crop-quantities and the yield-factors obtained have no more been exceptional. This information, which is undoubtedly important, should, however, be approached with some distrust, as the data were gathered by inexpert people in a rather shady period (years of occupation) and from a refractory population. The unsystematically gathered information, i.e.