TY  - BOOK
AU  - Schroth,G.
AU  - Sinclair,Fergus L.
TI  - Trees, crops, and soil fertility: concepts and research methods 
SN  - 9780851995939
AV  - S596.7 .T74 2003
PY  - 2003///
CY  - Wallingford, Oxon, UK
PB  - CABI Pub.
KW  - Soil fertility
KW  - Agroforestry
KW  - Research
N1  - Includes bibliographical references (p. 345-421) and index
UR  - http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=87408&site=ehost-live&scope=site
ER  -