Crop stand density enhances competitive ability of spring barley (Hordeum vulgareL.)

Morphological and physiological changes in barley cultivars under black oat competition

“…The relative competitiveness (RC) indicated systematically that the species in a greater proportion took advantage of the competition since values higher than "1" were observed when the crop predominated (density 75:25), and less than "1", with the predominance of the competitor (density 25:75), always with values differing from "1", according to the "t" test at 5% (Table 1). These results corroborate those reported by Pilipavicius et al (2011). The decrease in weed competition was correlated to the increase in barley density.…”

“…Barley has a rapid initial growth and a high efficiency in capturing the available soil resources (Molla, Sharaiha, 2010). Several studies have reported the competitive ability of crops, such as weeds, with reductions of up to 79% in the barley biomass and grain yield, due to the competition (Pilipavicius et al, 2011;Wanic et al, 2013). It is also essential to verify the influence of plant density on the competitive abilities of barley against black oat (Fontana et al, 2015;Andrew, Storkey, 2017).…”

Impact of Different Tillage Methods on Silty Loam Luvisol Water Content in Sugar Beet (<i>Beta vulgaris</i> L.) Crop

“…Five field experiments were carried out at the Experimental Station of the Lithuanian University of Agriculture (Aleksandras Stulginskis University since 2011) (54˚52'N, 23˚49'E) [14] during 1995-2010. The soil of the experimental sites was clay loam over moraine clay on a silty loam (Calc(ar)i-Epihypogleyic Luvisol, LVg-pw-cc(sc)) [15].…”

Influence of Climate Change on Weed Vegetation

“…Analogous weed chemical composition to agricultural plants induces competition in agrophytocenoses for growth factors. Weeds occupied place where agricultural plants could grow [4]. Adaptation possibility of separate plant species is different and can vary their competition as environment conditions change.…”