TY  - GEN
AU  - Bavappa, K. V. A. 
AU  - Gunaratne, W.D.L.
AU  - Ruttimann" R. A.
TI  - Manuring of export agricultural crops
U1  - 631.8 
PY  - 1996///
CY  - Peradeniya
PB  - Dept. of Export Agriculture
KW  - Cultivation
KW  - Agriculture
KW  - Fertilizers
ER  -