9144
9731
Ecology of Arable land; perspectives and challenges
Dordrecht; Boston
Kluwer Academic Publishers
c1989
viii, 295p.: ill
Developments in plant and soil science; v. 93
"Proceedings of a international symposium 9-12 June, 1987, Swedish University of Agricultural Science, Uppsala, Sweden"
edited by M. clarholm and L. Bergstrom
Congresses ، Agricultural ecology
S
589
.
7
.
E26
1989
TI
AU Clarholm, Marianne
AU Bergstrom, L
SE
CL
CL
