TY  - BOOK
AU  - 
TI  - Fertilizers and soil fertility
SN  - 9780835919609
AV  - S633  .J51
PY  - 1987///
CY  - Virginia : 
PB  - Reston Pub. Co.
KW  -  
KW  -  	Fertilizers.
KW  - Soil fertility.
ER  -