Phosphorus in agriculture.
C.A.B. International.Information Services.
C.A.B. International.Division of Natural Resources, Forestry and Economics.
World Phosphate Institute.
Wallingford, Oxon. : C.A.B. International Information Services,
1991-
Title from cover.
Issued by: CAB International Division of Natural Resources, Forestry and Economics and sponsored by the World Phosphate Institute.
On cover: CAB abstracts, the world's leading agricultural database. From inside cover: From the CAB abstracts database.
Phosphorus in agriculture