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001-es BibID:BIBFORM112425
035-os BibID:(Scopus)85161611355 (WoS)001001957900001
Első szerző:Szabó Andrea (környezetgazdálkodási agrármérnök)
Cím:Evaluation of new pivoting linear-move precision irrigation machine = Evaluation d'une nouvelle machine d'irrigation de precision a mouvement lineaire pivotant / Andrea Szabó, János Tamás, Ádám Kövesdi, Attila Nagy
Dátum:2023
ISSN:1531-0353
Megjegyzések:Due to population growth, freshwater resources around the world are becoming increasingly scarce, and the water supply in agriculture has emerged as one of the limitations of food production. Variable-rate irrigation (VRI), a type of precision irrigation, allows water-efficient irrigation techniques to ensure an optimal water supply. The University of Debrecen, in collaboration with Magt ar Kft., was the first in Hungary to develop a new laterally mobile irrigation machine equipped with VRI. The subject of our study was the testing of this system. According to the research, high and homogeneous irrigation uniformity was achieved in practice, with a Christiansen uniformity coefficient (CUc%) of 93 ± 2, distribution uniformity (DU%) of 88 ± 2 and coefficient of variation (CV) of 9 ± 2. Irrigation accuracy was also found to be satisfactory (mean absolute error 0.6 ± 0.1, mean bias error 0.2 ± 0.2, normalized root mean square error 8.6 ± 2), and only 1.4% ± 2% was overirrigated and 0.4% ± 0.3% underirrigated. In addition, the uniformity and accuracy of irrigation in different management zones along the pipeline were also investigated, and significant differences (p < 0.05) were found between irrigation water depths. Based on the above, a new laterally mobile irrigation machine equipped with VRI can be used to develop more uniform and accurate irrigation schedules in the future in arable fields as this is critical for water-saving irrigation management.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
irrigation accuracy
irrigation uniformity
linear irrigation system
variable rate irrigation
Megjelenés:Irrigation And Drainage. - 72 : 4 (2023), p. 922-933. -
További szerzők:Tamás János (1959-) (környezetgazdálkodási agrármérnök) Kövesdi Ádám (1993-) (öntözési irodavezető) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:WATERAGRI-858375
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