Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/89176
Type of publication: Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Grybauskienė, Vilda;Vyčienė, Gitana
Title: Evapotranspiration-based irrigation scheduling for picea abies (Spruce) seedlings
Is part of: Rural Development 2015: Towards the transfer of knowledge, innovations and social progress: 7th international scientific conference, 19–20th November, 2015, Aleksandras Stulginskis University, Lithuania [elektroninis išteklius]: proceedings. Akademija : Aleksandras Stulginskis University, 2015
Extent: p. 1-6
Date: 2015
Note: ISSN 1822-3230 (ankstesnių spausdintų leidinių)
Keywords: Irrigation;Evapotranspiration;Picea abies seedlings
ISBN: 9786094490927
Abstract: The water balance of agro ecological systems is a key parameter for most physical and physiological processes with the system soil–crop–climate. Therefore it is of great importance to calculate the water budget parameters in the required scale. The field study was conducted in the period of 2002–2005. Seedlings were planted in Irrigation engineering department experimental fields at the Lithuanian University of Agriculture. Seedlings were grown under standard nursery cultural practices until being transplanted into new fields in mid April 2002 and 2004. The research site contains evaporators and 8 lysimeters in which spruce seedlings were grown and studied. Lysimeters amount 42 m2 and 30 m2. At 2002, field No.1 was irrigated 8 times, irrigation norm was 250 m3 ha-1 and seedling got 2000 m3 ha-1 water. Field No.2 was irrigated 6 times, irrigation norm – 1500 m3 ha-1. In 2003 fields No. 1 and No. 2 were irrigated 4 times and seedlings got 1000 m3 ha-1 water. At 2004, field No.1 was irrigated 8 times, irrigation norm was 250 m3 ha-1 and seedling got 2000 m3 ha-1 water. Field No.2 was irrigated 6 irrigation norm – 1500 m3 ha-1. The total evapotranspiration of the first year seedlings planted in the field No.1 in 2004 made up 323 mm. The total evapotranspiration of the seedlings growing in variant No. 2 was 307 mm in 2004 and it is by 16 mm less as compared to variant No.1
Internet: http://conf.rd.asu.lt/index.php/rd/article/view/127
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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