TY  - BOOK
AU  - Hatfield,Jerry L.
AU  - Stewart,B.A.
TI  - Soil biology: effects on soil quality 
SN  - 0873719271 :
U1  - 574.90948 
PY  - 1994///
CY  - Boca Raton
PB  - Lewis Publishers
KW  - Soil biology
KW  - Soils
KW  - Quality
KW  - Nitrogen cycle
N1  - Includes bibliographical references and index
ER  -