Spain. Using a database of the heights of military conscripts (N = 146,041) of the study area, a comparison is made of the … development of commercial agriculture at the end of the nineteenth century and, although it began to reduce from the early decades … irrigated areas. This situation could be largely explained by the existence of low productivity agriculture in these dry farming …

-- Agrifood chain -- Value added and employment growth in EU primary agriculture and food processing / Trevor Donnellan and Kevin … -- The role of agriculture and farm household diversification in the U.S. rural economy / Thomas G. Johnson -- Rural …