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Original scientific paper

Pedological and hydropedologicalc conditions and water requirements for cultivation of agricultural crops in Hrvatsko zagorje

Željko Vidaček orcid id ; Zagreb, Hrvatska
Stjepan Husnjak ; Agronomski fakultet Sveučilišta u Zagrebu, Zagreb, Hrvatska
Domagoj Rastija ; Fakultet agrobiotehničkih znanosti Sveučilište Josipa Jurja Strossmayera u Osijeku, Osijek, Hrvatska

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The authors primarily warn of global and local damages from catastrophic climate change, with special reference to extremely dry periods without sufficient precipitation - the drought in Croatia. In order to popularize the national irrigation project (NAPNAV), the following are data on pedological and hydropedological conditions and water requirement for growing agricultural crops in Hrvatsko zagorje. Calculations of the water requirement for the cultivation of selected agricultural crops were carried out according to the models of the functioning of the plant-climate system, and soil-plant-climte system. In the model of plant-climate system, the components are reference evapotranspiration (ETo), crop evapotranspiration (ETk) and crop coefficient (kc). In the model of soil-plant-climate system the components are reference evapotranspiration (ETo), crop evapotranspiration (ETk), effective precipitations with a 75% probability of occurrence, depth and soil water constant. At the end, there are recommendations for project identification and preliminary planning of irrigation systems, as well as general principles of management of constructed irrigation systems.


agricultural crops; irrigation; Hrvatsko Zagorje

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