Effect of lignin on soil properties and plant growth Wang, Ming Yuen Lignin Plants--Effect of chemicals on Soils--Analysis Thesis (Ph. D.)--Michigan State College of Agriculture and Applied Science. Department of Soil Science, 1953 Includes bibliographical references (pages 53-57) 1953 Text Theses [vii], 57 pages application/PDF etd:5067 oclc:931740128 local:0005938 umi:0005938 https://doi.org/doi:10.25335/v6tv-p502 English Electronic Theses & Dissertations In Copyright