Factors controlling the geographic distribution of the leading agricultural crops of the world

Smith, Wendell Frederick2017-07-222017-07-2219291929b14732828https://hdl.handle.net/2144/23057Thesis (M.A.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.AgricultureAgricultural cropsWorld agricultureFactors controlling the geographic distribution of the leading agricultural crops of the worldThesis/Dissertation