TY  - BOOK
AU  - Fernandez Vhernando Ed.
ED  - Conference on the fertilizers and their effect on crop.
TI  - Proceeding on fertilizers and their effet on  crop growth with exphasis on quality and economy
U1  - J:24:97p1,N72, L4 
PY  - 1974///
CY  - Amsterdam
PB  - Elsevier Scientific        
KW  -  Soil fertility
KW  - Agriculture
ER  -