| Summary: | In the field trial carried out in 1998 and 1999 the effect of weather conditions and different Atonik doses application on sugar beet quality (refined sugar, refined sugar yield) was studied. The trial results confirmed statistically high significant effect of weather conditions on above mentioned parameters. More favourable weather conditions in 1999 influenced high significantly increasing of refined sugar (+ 0,67 %, rel. 5,53 %) and refined sugar yield (+ 0,67 t.ha-1, rel. 9,75 %) comparing to average of both 1998, 1999 years. We found out significant effect of Atonik under its three times application ( 0,25 + 0,6 + 0,6 I.ha -1 ) on refined sugar (+ 0,48 %, rel. 4,05 %) and refined sugar yield (+ 0,96 t.ha-1, rel. 15,86 %) on C variant comparing to average values of control variant in total trial period.
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