Efekti primene tifon uređaja u navodnjavanju kukuruza (Zea mays L.) / The effects of use self-propelled rain guns (typhone) in irrigation of corn (Zea mays L.)
2012
Kresović, Branka (Institut za kukuruz Zemun Polje, Beograd-Zemun (Srbija)) | Dragičević, Vesna (Institut za kukuruz Zemun Polje, Beograd-Zemun (Srbija)) | Gajić, Boško (Poljoprivredni fakultet, Beograd (Srbija). Institut za zemljište i melioracije) | Tapanrova, Angelina (Poljoprivredni fakultet, Beograd (Srbija). Institut za zemljište i melioracije) | Pejić, Borivoje (Poljoprivredni fakultet, Novi Sad (Srbija))
The aim of this study was to use results of experimental work to analyse effects of maize irrigation and to quantify basic parameters that are included into exploitation costs of a long-ranged self-propelled sprayer, so called typhoon sprinkler. The four-replicate trial was carried out according to a randomised block design in the experimental fields of the Maize Research Institute, Zemun Polje, during the 2002-2008 period. The irrigation was applied in all years but 2004 in which the precipitation sum was sufficient to maintain soil moisture above the predetermined pre-watering soil moisture. According to obtained results, effects of irrigation on grain yields over years varied from to 0.315 t ha-1 to 4.459 t ha-1. Furthermore, the input to output ratio varied over years. The long-term average shows that each tone of a yield obtained by irrigation was loaded by consumed energy of 328 kWh used for the operation of a submersible pump that supplied the typhoon sprinkler with a necessary water amount (555 m3) from a deep well, then with approximately 2 l of fuel necessary for the tractor operation and with 17 hours of labour.
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