Johnson, Ole S.2015-12-312015-12-311985http://hdl.handle.net/2097/27465Call number: LD2668 .T4 1985 J638Conservation tillage--Economic aspects--Kansas.Cropping systems--Economic aspects--Kansas.Wheat--Economic aspects--Kansas.Sorghum--Economic aspects--Kansas.Economic analysis of reduced tillage wheat and grain sorghum rotations in western KansasTextMasters theses