Author :
Edwards, Ivor Keith, 1936-
Title :
renovation of sewage plant effluent by the soil and by agronomic crops
Author Statement :
Ivor Keith Edwards
Publication :
Ann arbor University Microfilms
Collation :
xi, 171 p.: illus, (Xerox copy)
Notes :
Thesis- Pennsylvania State University
Subject :
Sewage sludge as fertilizer
Biblography :
Bibliography: leaves 126- 169