Sports' line 20 22/5/9+2%MgO+0,5%Fe 1-5mm 40% LZ-N*
Sports' line 21 28/5/10 +2%MgO 1-3mm 92% LT-N*
Sports' line 22 26/5/11+3%MgO 1-2mm 50% LT-N*
Sports' line 22 23/7/14+0,5Fe 1-4mm 65% LT-N*
Sports' line 25 25/0/0 1-5mm 30%LT-N*
* LT-N means: long term nitrogen