Books by E R Swanson
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Economic Effects of Controls on Nitrogen Fertilizer
P J van Blokland, C R Taylor, E R Swanson
€19.34
€24.18
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An Analysis of Local Road Units Costs in Illinois
€19.34
€24.18
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Highest Return Farming Systems for Tama and Muscatine Soils: An Application of Linear Programming to 240- and 480- Acre Farms Operated by two Men
€19.34
€24.18
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Variability of Yields and Income From Major Illinois Crops 1927-1953
€39.66
€49.57
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