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Type of publication: Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Meškauskas, Simonas
Contributor(s): Kriaučiūnienė, Zita
Title: Vasarinių rapsų morfometrinių parametrų ir derliaus struktūros elementų koreliacija
Other Title: Morphometric parameters of spring oilseed rape and yield structural elements correlation
Is part of: Jaunasis mokslininkas 2018 [elektroninis išteklius] : studentų mokslinės konferencijos pranešimų rinkinys, 2018 m. balandžio 19 d. / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija, 2018
Extent: p. 48-51
Date: 2018
Abstract: A field experiment was conducted at the Experimental Station of Aleksandras Stulginskis University on the soil type Calc(ar)i-Endohypogleyic Luvisol in 2017. Research object: spring oilseed rape (Brassica napus L. spp. oleifera annus Metzg.) crop sown at different dates. Research aim: to evaluate the effect of various sowing dates on the productivity elements of spring oilseed rape. Sowing dates of spring oilseed rape were investigated in the field experiment. Treatment of the experiment: 1) 1st sowing (April 21); 2) 2nd sowing (April 28); 3) 3rd sowing (May 05); 4)4th sowing (My 12); 5) 5th sowing (May 19); 6) 6th sowing (May 26); 7) 7th sowing (June 02); 8) 8th sowing (June09). As the results of spring oilseed rape seed productivity was found a trend that sowing-harvesting period durationdependence of spring oilseed rapeseed productivity. The longer sowing-harvesting period was, the higher yieldproductivity was found. There was only one exception of the 5th sowing (May 26) that had peak of spring oilseedrapeseed productivity – 2.18 t ha-1. On the last sowings (June 02 and June 09) productivity of spring oilseed rapeseedreaches bottom of 1.04 t ha-1 and it has significant difference between May and April sowing. Although, it wasn’t foundany statistically significant correlation between yield seed productivity and productivity indicators, it was found thatthere was statistically reliable positive correlation between sowing-harvesting period duration and second and thirdbranches yield productivity indicators: branches, siliques, seed quantity and seed mass
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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