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Type of publication: conference paper
Field of Science: Agronomija / Agronomy (A001)
Author(s): Juočionytė, Gintarė
Contributor(s): Pupalienė, Rita
Title: Skirtingu laiku sėtų vasarinių rapsų produktyvumo formavimasis ilgesnio vegetacijos periodo sąlygomis
Other Title: Different time sets productivity formation of spring oilseed rape longer growing season terms and conditions
Is part of: Jaunasis mokslininkas 2017: studentų mokslinės konferencijos pranešimų rinkinys / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija,, 2017
Extent: p. 23-25
Date: 2017
Abstract: The investigation was carried out during 2015 year at the Experimental Station of Aleksandras Stulginskis University.The purpose of the investigation was to evaluate the influence of different sowing date oilseed rape productivity of the formation of a lengthening growing season conditions. Spring rape seed yield sown at different times received unequal: maximum 1.965 t ha"1 at April 20 th, May 20 th minimum even (5.8 times). Minimum rape crop density determined by plating on May 5 th - 65.5 units, m"2. Spring rape worst sprouted because it was affected by heavier rainfall, they were (1.1 times) higher than in April. Since the beginning of germination densest rape seed crop was 94,0 units, m"2, which is influenced by a long growing season under favorable conditions. Meteorological factors on rape growth and yield were evaluated after a correlation-regression analysis. The prevalence of dry weather spring rape has evolved quickly establish strong statistically significant linear correlation between the amount of positive temperatures before sowing and period (in days) of the rape germination to full versions of maturity: r = -0.98, p <0.01, as well as the positive temperature amount before sowing and period (in days) of the rape sowing to flowering:r= -0.98, p <0.01
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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