Singh. 1908- Soil Microbiology / by Singh . - india: Raj Publication, c2012. - 310 p., [2] : ill. ; 18 cm. Includes bibliographical references and index. ISBN: 9788178805757 Subjects--Topical Terms: Soil science.Crops and soils.Soil management. Dewey Class. No.: 631.46 / SIS