TY  - BOOK
AU  - Konrad Mengel
AU  -  Ernest. A Kirkby, 
TI  - Principles of Plant Nutrition
SN  - 3-906-535-03-7
U1  - 581.13 
PY  - 1987///
CY  - New Delhi
PB  - Panima Educational Book Agency
N1  - Konrad Mengel & Ernest. A Kirkby: Principles of Plant Nutrition.  New Delhi.  Panima Educational Book Agency, 1987. 3-906-535-03-7--(581.13MEN)
ER  -