TY  - BOOK
AU  - Prasad, Keder Nath
TI  - Response of sweet patato to nitrogen, phosphate & potash fertilization
U1  - 630 P 8863 R 
PY  - 1971///
CY  - Bhagalpur
PB  - BAC, Sabour
KW  - Agronomy
ER  -