TY  - BOOK
AU  - Whalen, Joann K
TI  - Soil fertility improvement and integrated nutrient management-a global perspective
SN  - 9789533079455
U1  - 631.42 W553S 
PY  - 2014///
CY  - Janeza
PB  - Intech
KW  - Global perspective
KW  - Agriculture
ER  -