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The Growth and Structure of Agricultural Output Prices, Policies and Prosperity Making and Using the Land The Changing Distribution of Crops The Productivity of the Land Land Use, Livestock and Densities The Ownership of Farmland Farmers and their Land Farm Distribution and Layout The Rise and Fall of the Farm Population Power on the Land Types of Farming and Agricultural Regions Farming in the Lowlands - Mixed Farming and its Decline Pigs and Poultry From Market Gardening to Horticulture Dairying Farming in the Uplands.
Nellis et al. (Sun,) studied this question.