TY  - BOOK
AU  - R. Dudal
AU  -  R.N. Roy, 
TI  - Integrated Plant Nutrition Systems
SN  - 92-5-103665-9
U1  - 631.81 
PY  - 1995///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
N1  - R. Dudal & R.N. Roy: Integrated Plant Nutrition Systems.  Rome.  Food and Agriculture Organization of the United Nations, 1995. 92-5-103665-9--(631.81DUD)
ER  -