Annual Forages Seeding Rates and Mixtures for Central Alberta

Walton, P. D.

doi:10.4141/cjps75-155

Cited by 22 publications

(26 citation statements)

References 5 publications

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“…These results contrasted with those of Berkenkamp and Meeres (1987a) and Baron et al (1992) (Helsel and Thomas 1987). Walton (1975) Hingston and Christensen (1982) grain, at relatively small proportions (25.8-38.0 %) of the diet (ZoBell et al 1992). Burgess et al (1973) concluded that barley and oat silage had similar feeding value and supported similar levels of milk production when fed with concentrates at about 60% of the ration.…”

Section: Discussioncontrasting

confidence: 56%

Comparative yield and feeding value of barley, oat and triticale silages

McCartney¹,

Vaage²

1994

Can. J. Anim. Sci.

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Section: Discussioncontrasting

confidence: 56%

Comparative yield and feeding value of barley, oat and triticale silages

McCartney¹,

Vaage²

1994

Can. J. Anim. Sci.

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“…Mixtures of cereals may be useful for reducing weed pressure (Francis, 1989), increasing yield stability (Francis, 1989;Juskiw et al, 2000a), increasing yield through complementary niche utilization (Juskiw et al, 2000a;Taylor, 1978), increasing crop rotation flexibility (Walton, 1975), pest and disease buffering, minimizing soil variability, and increasing animal feed value (Stoskopf, 1985).…”

Section: Introductionmentioning

confidence: 99%

Organic and conventional management of mixtures of wheat and spring cereals

Kaut

Mason

Navabi

et al. 2008

Agron. Sustain. Dev.

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-Cereal mixtures may provide both organic and conventional producers with a more sustainable approach in reducing weed pressure, crop rotation flexibility, improved yield stability, buffering against pests and diseases, minimizing soil variability and increasing animal feed value. We examined the response of small grain mixtures containing wheat, oats, barley and triticale to varying degrees of natural competition and environmental stress at three locations in central Alberta, Canada. One modern and one heritage hard-red spring wheat cultivar, along with one cultivar each of oats, barley and triticale and eighteen two-way mixtures, were planted on organic and conventional land at seven location-years between 2003 and 2005. Average yields were 30% to 70% lower on organically managed sites. Monocrop barley yielded 43% and 16% higher than the site average at two organic locations. Our results suggest two main conclusions: (1) on conventionally managed land, wheat-barley mixtures exhibited potential for yield maintenance and weed suppression, and; (2) on organically managed land, competition with weeds had a large negative effect on yield (>30%). The 25:75 mixtures of wheat and oats, and all mixtures of Park (a heritage) wheat and Manny barley exhibited yield potential similar to or (up to 1.0 t ha −1 ) greater than monocrop yield. Manny barley mixtures exhibited weed suppressive capabilities.

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“…However, the effect of the proportion of spring and winter cereals at seeding, and the seeding rate of the mixture has not been studied in depth. Walton (1975) showed that higher seeding rates of oat, barley, and wheat seeded alone or in combina-tion with soybean or rape improved forage yields and reduced fibre contents for all crops. The increase was not substantial and except for oat, the higher seed rates were not economical.…”

Section: Mots Clésmentioning

confidence: 99%

mentioning

confidence: 99%

Seeding ratios and rates that maximize annual forage production in Black soil zones of central Saskatchewan

McCartney¹,

Townley-Smith²,

Stevenson³

et al. 2005

Can. J. Plant Sci.

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. 2005. Seeding ratios and rates that maximize annual forage production in Black soil zones of central Saskatchewan. Can. J. Plant Sci. 85: 615-622. Three different seeding densities and four seeding ratios of spring and fall crop components for annual forage production were evaluated for maximizing silage and fall regrowth yield in a 3-yr study at Melfort, Saskatchewan. Binary mixtures of a spring cereal, barley (Hordeum vulgare L.) or oat (Avena sativa L.), and a fall crop, fall rye (Secale cereale L.) or Italian ryegrass (Lolium multiflorum Lam.), were seeded at three total stand seed densities (150, 275 and 400 seeds m -2 ), which consequently resulted in the following spring:fall seeding crop component ratios: 1:0, 2:1, 1:2 and 0:1. Both spring and fall crops were harvested when the spring cereals were at the soft-dough stage (silage cut) and late in the autumn (fall regrowth cut). Average spring crop component yield was greater for the silage cut (4806 kg ha -1 ) than for the fall regrowth cut (329 kg ha -1 ), and total sward yield was greater for the silage cut (5995 kg ha -1 ) than for the fall regrowth cut (1261 kg ha -1 ). Productivity of the fall component was 1173 and 929 kg ha -1 for the silage and fall regrowth cuts, respectively. Total crop yield was often maximized with seeding ratios of 60% spring:fall crop component or greater for the different combinations. Fall regrowth cut yields were always maximized by seeding 100% fall crop component. The spring crop component yield, especially for the oat mixtures, contributed very little to fall regrowth yields. Stand seeding rate frequently affected spring component and total crop yield, but not fall crop yield. Silage and annual yield for the spring crop and total sward increased with increase in stand seeding rate. Fall crop yield was not affected by stand seeding rate or its effect was of questionable practical importance. Italian ryegrass produced the most fall regrowth yield. Weed management was identified as a possible area for future research with regard to seeding ratios and rates for annual forage stands. . Le rendement moyen des composantes printanières est plus élevé pour l'ensilage (4 806 kg par hectare) que pour la repousse automnale (329 kg par hectare) et le rendement total du peuplement était plus important pour l'ensilage (5 995 kg par hectare) que pour la repousse automnale (1 261 kg par hectare). La productivité des composantes automnales s'établissait respectivement à 1 173 kg par hectare pour l'ensilage et à 929 kg par hectare pour la repousse automnale. Le rendement total des différentes combinaisons est souvent maximisé par un ratio d'ensemencement de 60 % ou davantage entre composantes printanières et composantes automnales. Le rendement de la repousse automnale est toujours maximisé par l'ensemencement de 100 % de composantes automnales. Le rendement des composantes printanières, surtout pour les combinaisons incluant l'avoine, concourt très peu au rendement de la repousse automnale. La densité de semis affecte souvent les comp...

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Annual Forages Seeding Rates and Mixtures for Central Alberta

Cited by 22 publications

References 5 publications

Comparative yield and feeding value of barley, oat and triticale silages

Comparative yield and feeding value of barley, oat and triticale silages

Organic and conventional management of mixtures of wheat and spring cereals

Seeding ratios and rates that maximize annual forage production in Black soil zones of central Saskatchewan

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