THE ECONOMIC EFFECTS OF IRRIGATION AND DUNGING IN THE SUGAR-BEET PRODUCTION
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The research of production and economic effects of irrigation to the sugarbeet
and sugar growth per hectare was carried out on the carbonate humus of
favourable water-physical and chemical characteristics on the location of Rimski
Šančevi during the period from 2004 to 2006. The experiment was set according to
the method of the Split-plot system being done in four repetitions with the usage of
raindrop irrigation. During the experiment there were kept humidity soil treatments
from 60 to 65% and the field water capacity (FWC) of 75-80% with a controlling
variant being included.
The realized profit per hectare during irrigation is 1607 $/ha and it is
approximately greater of 17,6% in comparison with the production in the
controlling variant. Economy shows that to a unit of invented capital there is
realized 1,49 unit of profit during irrigation or more than 4,2% comparing the
production without irrigation. Profitability measured from the point of relationship
between profit and incomes is 32,8% during irrigation and it is greater of 6,8% than
the production in the controlling variant. The productivity indicator tells us that for
one produced tone of sugar-beet during irrigation is approximately spent 1,28 hours
of total working time or it is produced 0,783 t/working hour of sugar-beet.