TY  - BOOK
AU  -  Jacob,Arthur
AU  -  Uexkull,H.V.
AU  -  Whittles,C.L.
TI  -  Fertilizer use : :  nutrition and manuring of tropical crops / 
U1  -  REF 631.810913 JAC 
PY  - 1963///
CY  -  Hanover, Germany : 
PB  -  Ackerbau, 
KW  -  Fertilizers and manures
KW  -  Agriculture
KW  -  Tropics
ER  -