TY  - BOOK
AU  - Bostrom, Ullalena
TI  - Ecology of earthworms in arable land: population dynamics and activity in four cropping systems
SN  - 9157636222
PY  - 1988///
CY  - Uppsala
PB  - Swedish University of Agricultural Sciences
KW  - EcologyEARTHWORMS
N1  - Population Dynamics And Activity In Four Cropping System
ER  -