TY  - BOOK
AU  - Schroth,G.
AU  - Sinclair,Fergus L.
TI  - Trees, crops, and soil fertility: concepts and research methods / (Acc: 2603)
SN  - 0851995934 (alk. paper)
U1  - 634 SCH 
PY  - 2003///
CY  - Wallingford, Oxon, UK, Cambridge, MA
PB  - CABI Pub.
KW  - Soil fertility
KW  - Agroforestry
ER  -