Border effect in experimental study with sowing rate of oat
Franciszek Rudnicki
biuro.dziekana.wrib@pbs.edu.plKatedra Podstaw Produkcji Roślinnej i Doświadczalnictwa, Akademia Techniczno-Rolnicza w Bydgoszczy (Poland)
Lech Gałęzewski
Katedra Podstaw Produkcji Roślinnej i Doświadczalnictwa, Akademia Techniczno-Rolnicza w Bydgoszczy (Poland)
Abstract
The experimental trials on the border effect occurring in oat plots were carried out in 2002–2004. Four various densities of oat: 140, 280, 420 and 560 seed per m2 were investigated and the plots were separated with 30 cm wide paths. The oat individuals planted in the marginal rows adjacent to the path produced: greater biomass, longer stems, more abundant panicles, more productive tillers and they yielded higher than the oat in the center of the plots. The strongest response was noticed on the green biomass, grain yield and productive tillering. The border effects on the rye type good soil varied significantly in seasons with different rainfalls and were maximized in the drought. The increasing density from 140 to 420 of oat seed per m2 favoured the border effect, but there was no further reaction when oat was planted as 560 seed per m2. The assessment of yield on the harvested plots was overdone by the border effects giving 20.5% higher estimation (0.88 t·ha-1) then the real yield. To minimize the border effect in trials with oat experimental plots should be large and of square shape or the rows adjacent to the paths should stay not harvested.
Keywords:
border effect, sowing rate, oat, yieldReferences
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Authors
Franciszek Rudnickibiuro.dziekana.wrib@pbs.edu.pl
Katedra Podstaw Produkcji Roślinnej i Doświadczalnictwa, Akademia Techniczno-Rolnicza w Bydgoszczy Poland
Authors
Lech GałęzewskiKatedra Podstaw Produkcji Roślinnej i Doświadczalnictwa, Akademia Techniczno-Rolnicza w Bydgoszczy Poland
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Copyright (c) 2006 Franciszek Rudnicki, Lech Gałęzewski
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