TY  - BOOK
AU  - M R VIJAYAN
AU  - R SUBRAMONIA  AIYER
TI  - STUDIES ON FOLIAR DIAGNOSIS, YIELD AND QUALITY OF TAPIOCA (Manihot utilissima Pohl.) IN RELATION TO NITROGEN AND PHOSPHORUS
U1  - E N68 VI 26 
PY  - 1968///
CY  - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF AGRICULTURAL CHEMISTRY
ER  -