Przemysl Chemiczny, Vol.82, No.8-9, 815-818, 2003
The processes and properties of liquid fertilizers manufactured at the Instytut Nawozow Sztucznych (INS), Pulawy
The INS products include (a) clear-type (microelements (only or together with) Mg-N, or N-Ca, or Ti, or N-P-K) and (b) suspension-type (N-P-K, P-K) fertilizers. The N-P-K-Mg-S contains microelements and is used for fertigation in greenhouse farms. The INS is the sole maker of the N-P-K suspension fertilizers. The processes are environmentally friendly and produce no wastes.