Reliability of higher seeding rates of wheat for increased competitiveness with weeds in low rainfall environments

By D. Lemerle, R. Cousens, Gurjeet Gill, S. Peltzer, M. Moerkerk, C. Murphy, D. Collins, Brian R. Cullis. Journal of Agricultural Sciences, 2004

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Five decades of selection for yield reduced root length density and increased nitrogen uptake per unit root length in Australian wheat varieties (2016, methodology): “Four seeds were sown in a row in contact with the acrylic glass wall in each rhizobox , corresponding to a field sowing density of 160 plants m −2 (Lemerle et al. 2004).”
Intercropping of field crops in cotton for the management of purple nutsedge (Cyperus rotundus L.) (2007, background): “It has been reported that increasing density of crop plants can increase crop competitiveness and effectively control growth of weeds by reducing their biomass and seed production (Lemerle et al. 2004).”
Developments in breeding cereals for organic agriculture (2008, unknown): “Ground cover is also influenced by agronomic factors such as drilling row width and seed rate (Lemerle et al. 2004).”
Weed-Competitive Ability of Spring and Winter Cereals in the Northern Great Plains (2010, unknown): “For cereals, most of the increase in competitive ability is obtained at densities less than 200 plants/m 2 (Blackshaw et al. 2000; Lemerle et al. 2004; O’Donovan et al. 1999).”