TY  - BOOK
AU  - Konard Mengel
AU  -  Ernest A. Kirkby, 
TI  - Principles of plant nutrition
SN  - 81-86535-12-8
U1  - 581.13 
PY  - 1996///
CY  - New Delhi
PB  - Panima Publishing Corporation
N1  - Konard Mengel & Ernest A. Kirkby: Principles of plant nutrition.  (4th Edition.)  New Delhi.  Panima Publishing Corporation, 1996. 81-86535-12-8--(581.13MEN)
ER  -