Application of reference evapotranspiration in calculation [of] water use on maize evapotranspiration in climatic conditions of Vojvodina [Serbia] | Primena referentne evapotranspiracije za obračun utroška vode na evapotranspiraciju kukuruza u klimatskim uslovima Vojvodine [Srbija]
2011
Pejić, B., Poljoprivredni fakultet, Novi Sad (Serbia) | Rajić, M., Poljoprivredni fakultet, Novi Sad (Serbia) | Bošnjak, Dj., Poljoprivredni fakultet, Novi Sad (Serbia) | Mačkić, K., Poljoprivredni fakultet, Novi Sad (Serbia) | Jaćimović, G., Poljoprivredni fakultet, Novi Sad (Serbia) | Jug, D., Poljoprivredni fakultet, Osijek (Croatia) | Stričević, R., Poljoprivredni fakultet, Beograd - Zemun (Serbia)
To perform any idea of intensive use of agroecological conditions or to introduce new procedure in irrigation scheduling of growing plants, nothing could be done withought the knowledge of plant water requirements. Reference evapotranspiration (ETo) provide good possibility for the calculation of plant water requirements. The procedure is universal and can be used in different climatic conditions for projecting and exploitation of irrigation systems. The data of ETo calculated by using Thornthwaite, FAO-24-Blaney-Criddle, FAO-24-Penman and FAO-56-Penman-Monteith methods and data of maize water requirements determined in field conditions on experimental plots were used to calculate corrective indices (ki) to convert ETo values in ETc of maize. The highest correlation between determined values of maize water requirements in field conditions and ETo were obtained using Thornthwaite method (R2 = 0,930) which confirms previous statement that this method fits the best in calculation of maize water requirements in climatic conditions of Vojvodina.
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