Relative Yields and Nutritive Values of Barley, Oats, and Peas Harvested at Four Successive Dates for Forage

Brundage, Adrienne; Taylor, R.L.; Burton, V.L.

doi:10.3168/jds.s0022-0302(79)83317-2

Cited by 22 publications

(12 citation statements)

References 9 publications

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“…DM yields of cut 1 did not reach a plateau. Brundage et al. (1979) reported that DM yields of oats and oats‐pea mixtures increased by 0·64–0·75 between the heading and milk stages of oats but yields did not increase with further maturity of oats Baron et al.…”

Section: Yield Characteristics With Initial Harvest At Silage Stage Omentioning

confidence: 99%

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The productivity of oats and berseem clover intercrops. II. Effects of cutting date and density of oats on annual forage yield

Ross

King

O’Donovan

et al. 2005

Grass and Forage Science

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Annual forage yields of intercrops of berseem clover (Trifolium alexandrinum L.) and oats (Avena sativa L.), as affected by timing of initial harvest and sowing rate of oats, were investigated. Berseem clover was intercropped with oats at 0, 30, 60, 90 and 240 plants m )2 of oats in 1999 and 2000 in Alberta, Canada. Cutting date treatments involved initial harvest at 10-d intervals between 35 and 88 d after planting (DAP), and one or two subsequent harvests of regrowth. Total intercrop dry-matter (DM) yield averaged 12AE9-13AE3 t ha )1 with proportions of 0AE21-0AE43 of berseem clover in the forage. Treatments with an initial cut at the silage stage of oats (76 DAP in 1999, 88 DAP in 2000, at about soft-dough stage of oats) had greater yields of oats, lower yields of berseem clover, and lower proportions of berseem clover in total annual yields than treatments with an earlier initial cut. Total crude protein (CP) yield was greater with an initial cut at 65-66 DAP than with a silage-stage initial cut. With an initial cut at 35 DAP (before stem elongation of oats) or after 65 DAP (after heading of oats), yield potential of oats was sometimes reduced compared with silage-stage treatments, but this was balanced by a greater yield of berseem clover. The impact of harvest timing on total yield decreased as the proportion of berseem clover in the intercrops increased. With decreasing density of oats, DM yield of first-cut intercrops and total DM yield of oats decreased, while regrowth and total DM yields of berseem clover increased. Intercrops with oats at 60 plants m )2 had equal or greater total DM and CP yields than intercrops with 240 plants m )2 of oats. For intercrops with oats at 60 plants m )2 , with initial cuts at 65-66, 75-76, or 88 DAP, yields of regrowths were 0AE30-0AE35, 0AE16-0AE26 and 0AE09 of the total yield respectively. Oats-berseem clover intercrops showed potential to manipulate the pattern of annual forage yield and to provide flexibility of harvest without reducing annual yields.

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Section: Yield Characteristics With Initial Harvest At Silage Stage Omentioning

confidence: 99%

“…The forage yield of the oats component would be expected to increase with successive growth stages of jointing, boot, heading, milk and dough stages (McElroy and Gervais, 1983). Similarly, the forage yield of oats–pea intercrops increased up to the milk stage of oats in Alaska (Brundage et al. , 1979).…”

Section: Introductionmentioning

confidence: 99%

The productivity of oats and berseem clover intercrops. II. Effects of cutting date and density of oats on annual forage yield

Ross

King

O’Donovan

et al. 2005

Grass and Forage Science

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“…Pea mixtures performed poorly under the lower fertility and higher drought conditions of 1990. In any particular year pea may compete poorly with oat, contributing less to dry matter yield than expected (Brundage et al 1979), but at low fertility levels adding legumes does not decrease yields (Reynolds et al 1994). Lunnan (1989) reported that increasing pea seeding rate in barley mixtures resulted in higher protein content at low N levels but not at 80 kg N ha -1 .…”

Section: Discussionmentioning

confidence: 99%

White lupin: An alternative to pea in oat-legume forage mixtures grown in Newfoundland

McKenzie¹,

Spaner²

1999

Can. J. Plant Sci.

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. White lupin: An alternative to pea in oat-legume forage mixtures grown in Newfoundland. Can. J. Plant Sci. 79: [43][44][45][46][47]. "Peas-oats-vetch" is a traditional annual forage crop in Newfoundland, cut as needed in late fall, and fed as fresh feed. We tested the potential of increasing yield biomass and N concentration of the annual forage mixture through the substitution of white lupin (Lupinus albus L.) for pea (Pisum sativum L.) in 1990 and 1991. On mineral soils, lupin and pea were seeded at rates of 10, 20, 40, and 80 seeds m -2 in 132 seeds m -2 oat (Avena sativa L.) mixtures, and compared with pure-stand oat. Oat-lupin and oat-pea mixtures, planted at similar seeding rates, were also harvested at weekly intervals between 8 and 14 wk after planting. Oat-lupin, oat-pea and pure-stand oat were evaluated in an additional experiment on peat soils. On mineral soils, oat-lupin mixtures yielded forage with similar, or greater, dry matter yields and N concentration than pure-stand oats and oat-pea mixtures. Greatest yields were attained when mixtures were planted with 20 to 40 lupin seeds m -2 , and harvested 10 to 12 wk after early summer planting. On peat soils, white lupins were susceptible to diseases that did not affect peas, resulting in oat-lupin yields that did not differ from pure-stand oats. White lupin can be considered an alternative legume in oat-legume mixtures grown on mineral soils in eastern Newfoundland. Des associations simples avoine-lupin et avoine-pois, aux mêmes densités de semis, étaient également récoltées une fois par semaine à partir de la 8 e jusqu à la 14 e semaine après le semis. Parallèlement, ces deux associations et l'avoine en culture pure étaient évaluées sur sol tourbeux. En sol minéral, l'association avoine-lupin fournissait un rendement en matière sèche et une teneur en N au moins égaux à ceux de l'avoine seule et des mélanges avoine-pois. Les rendements les plus élevés étaient atteints en semant le lupin à la densité de 20 à 40 graines au mètre carré et en récoltant de 10 à 12 semaines après semis en début d'été. Sur sol tourbeux, le lupin blanc était sensible à des maladies qui n'attaquent pas le pois, de sorte que le rendement des associations avoine-lupin ne se distinguaient pas de celui de l'avoine semée seule. Le lupin blanc peut donc être envisagé comme légumineuse de rechange dans les associations avoine-légumineuse cultivées en sol minéral dans l'est de Terre-Neuve.

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“…The problem of the growth and ensiling of whole cereal plants is well known (Kirchgessner et al, 1989;Bergen et al, 1991;Michna and Poloczek, 1993). Studies have also been conducted on the growth of pea plants for silage but because of the lodging of the plants and losses during harvest the species has not found practical use (Brundage et al;1979, Potts, 1980, 1982Faulkner, 1989;Stryk, 1990). An agrotechnical factor enabling the growth of pea plants for silages is the use of spring crops as a support for pea plants.…”

Section: Introductionmentioning

confidence: 99%

Legume-cereal forage mixtures for silage 1. Effect of pea variety, maturity and sowing density of mixture on dry matter yield and silage chemical composition

Urbański¹,

Brzóska²

1996

J. Anim. Feed Sci.

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The effect of variety, maturity and sowing density of pea in mixtures with spring wheat and Italian ryegrass grown for silage on dry matter yield, level of nutrients in green forage and chemical composition and quality of silage was studied. The average dry matter yield of the forage mixtures for the factors and vegetative seasons studied was 7.4 t ha" 1 . The participation of pea plants in mixtures before ensiling was from 31 to 45% and that of spring wheat and Italian ryegrass from 39 to 46% and from 13 to 23%, respectively. The dry matter in green forage from the mixtures averaged 250 g kg" 1 and in silage 224 g kg" 1 . Rumen degradability of dry matter of the of silage during 2 to 48 h incubation ranged from 52 to 81 %. No significant effect of pea variety and mixture sowing density on yield, dry matter and nutrients contents in green fodder and chemical composition of the silage (P ^ 0.05) was found. A significant effect of pea maturity and year of growth of the forages on content of nutrients in the green forage and chemical composition of the silage was found (P^O.01).

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Relative Yields and Nutritive Values of Barley, Oats, and Peas Harvested at Four Successive Dates for Forage

Cited by 22 publications

References 9 publications

The productivity of oats and berseem clover intercrops. II. Effects of cutting date and density of oats on annual forage yield

The productivity of oats and berseem clover intercrops. II. Effects of cutting date and density of oats on annual forage yield

White lupin: An alternative to pea in oat-legume forage mixtures grown in Newfoundland

Legume-cereal forage mixtures for silage 1. Effect of pea variety, maturity and sowing density of mixture on dry matter yield and silage chemical composition

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