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Type of publication: conference paper
Type of publication (PDB): Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Kvietkauskytė, Gintarė
Contributor(s): Liakas, Vytautas
Title: Žieminių kviečių mitybos optimizavimo tyrimai, naudojant biologinius preparatus
Other Title: Nutrition optimization researches of winter wheat, using biological preparations
Is part of: Jaunasis mokslininkas 2014: studentų mokslinės konferencijos pranešimų rinkinys / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija,, 2014
Extent: p. 89-92
Date: 2014
Keywords: Winter wheat;Biological agents;Fertilizer rates;Productivity;Yield structure elements
Abstract: The main objective was to identify the winter wheat yield and its structure elements, using biological preparations at different rates of nitrogen fertilizers. A field experiment was conducted in 2012–2013 at ASU Experimental Station. The soil type – Calc(ar)–Epihypogleyic Luvisols (LVg–pw–cc). The use of biological preparations increased winter wheat grain yield. The highest fundamentally reliable grain yield of winter wheat increase was obtained, when combination of biological agents Amalgerol (3.0 l ha-1) and Azofit (1.0 l ha-1) were used and when fertilized N140 and N160 , respectively 1.59 t ha-1 and 1.60 t ha-1. The spraying of biological agents Amalgerol (3.0 l ha-1) and Azofit (1.0 l ha-1) on winter wheat in stage BBCH 30, also significantly increased content of grain in spikelet, but on 1000 grain weight change had less influence. The biggest effectiveness of Amalgerol (3.0 l ha-1) and Azofit (1.0 l ha-1) was found when winter wheat were fertilized N120. Increasing rates of nitrogen fertilizers, the efficiency of biological preparations was decreasing
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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