First two sentences: Italy's viticulture acreage stood 1.4 million hectares in 1970. According to a survey undertaken at the time by the National Academy of Agriculture, the vineyards were essentially of two types: a high-yield model situated in the fertile lowland soils,with a yearly production of about 8 tonnes(t) per hectare at 450 man-hours labor (46% of which used for harvesting and 36% for winter pruning), and a low-yield model found mainly in drier soils and hillside areas, with a yearly production of about 8 t per hectare at 450 man-hours labor (37%for harvesting and 36% for winter pruning).
