Gaurav, S.S. Soil fertility / Print. By S.S, Gaurav, And David Parker ; - New Delhi, India: Black Print, c2016. - v, 288p.: ill. ; 24cm. Includes index. ISBN: 9789384556136 Source: B-42245 LCCN: ta Subjects--Topical Terms: LC Class. No.: S596.7 / .G38 2016