TY  - BOOK
AU  - Follett, R F
TI  - Nitrogen management and ground water protection: development in agricutural and managed forest ecology 21 
SN  - 0444873937
U1  - 631.84 22
PY  - 1989///
CY  - Amsterdam
PB  - Elsevier Science Pub. B. V.
KW  - Watr protection
KW  - Nitrogen management
N1  - Includes bibliographical references and index
ER  -