TY  - BOOK
AU  - Konrad Mengel
AU  -  Ernest A. Kirkby, 
TI  - Principles of plant nutrition. 4 Ed
SN  - 81-86535-12-8
U1  - 581.13 
PY  - 1987///
CY  - New Delhi
PB  - Paima Publishing Corporation
N1  - Konrad Mengel & Ernest A. Kirkby: Principles of plant nutrition. 4 Ed.  (4th Ed)  New Delhi.  Paima Publishing Corporation, 1987. 81-86535-12-8--(581.13MEN)
ER  -