Evaluation of the efficiency of spring wheat and vetch mixed crops

Pasynkova, E. N.; Завалин, А. А.

doi:10.3103/s1068367410010027

Cited by 4 publications

(3 citation statements)

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“…This result indicated that mixture of grass pea and wheat were advantageous compared to their pure stands for all plant densities and mixture ratios. Similar advantages for mixtures have been reported in some other studies (Yilmaz et al, 2008;Pasynkova and Zavalin, 2010;Zajac et al, 2013;Yilmaz et al, 2015), while the others have focused disadvantages of intercropping (Lithourgidis et al, 2006;Dhima et al, 2007;Kokten et al, 2009;Rakeih et al, 2010). This disadvantage may be mainly due to species used, mixture ratios, ecological conditions and experimental years (Lithourgidis et al, 2006;Dhima et al, 2007;Baxevanos et al, 2017).…”

Section: Competition Indicessupporting

confidence: 78%

Yield, Quality and Competition Properties of Grass Pea and Wheat Grown as Pure and Binary Mixture in Different Plant Densities

Atiş¹,

Acikalin²

2020

Turkish Journal of Field Crops

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Mixtures of annual forage legumes with winter cereals for forage are practiced traditionally in the Mediterranean conditions. The objectives of this study were to compare grass pea and wheat pure stands as well as their mixtures in different plant densities under two seeding ratios for forage yield and quality and to estimate the effect of competition between the two species used in the intercropping systems. The experimental design was split plot in a randomized complete block with three replications. The main plot treatments were plant densities (350, 500 and 650 plant m -2 ) and sub-plots treatments were four sowing norm (pure grass pea (GP), 60% GP+ 40% W, 70% GP+ 30% W and pure wheat (W)). The results of the present study showed that plant densities do not have a significant effect on forage yield and quality, while the effect of mixture and pure stands on forage yield and quality were significant. According to the two-year average results, 60% GP + 40% W mixture gave the best results in terms of yield and quality. Calculated LER values showed that wheat+grass pea mixtures were more advantageous than pure stand of both species. As result of this research, 350 plant m -2 plant density and 60% GP + 40% W mixture can be recommended.

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Section: Competition Indicessupporting

confidence: 78%

Yield, Quality and Competition Properties of Grass Pea and Wheat Grown as Pure and Binary Mixture in Different Plant Densities

Atiş¹,

Acikalin²

2020

Turkish Journal of Field Crops

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“…The highest value of LER, above 1, was gained in a mixture of 75% seeding ratio with the indeterminate faba bean. It was frequently indicated (Dhima et al, 2007;Wahla et al, 2009;Pasynkova and Zavalin, 2010) that cereals dominated in a crop mixture, except for wheat. Our results contradicted the above mentioned and established that naked oat was dominated by faba bean regardless of the seeding ratio.…”

Section: Resultsmentioning

confidence: 99%

Agronomic performance of naked oat (Avena nuda L.) and faba bean intercropping

Klimek-Kopyra

Kulig

Oleksy

et al. 2015

Chilean J. Agric. Res.

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The most common cereals for faba bean (Vicia faba L.) used in intercrops is conventional oat (Avena sativa L.) An alternative to oat may be naked oat (Avena nuda L.), whose oil content and quality is double. Here, intercropping of naked oat with two different faba bean cultivars (determinate-high tannin and indeterminate-low tannin) was compared with sole crops of each species in 2006-2008. The treatments were: sole naked oat at 500 kernels m 2 , indeterminate sole faba bean at 50 seeds m 2 , determinate sole faba bean at 70 seeds m 2 , and an additive series of 25%, 50%, and 75% of faba bean seeding rate mixed with the naked oat seeding rate. Our results demonstrated that intercropping increased the Land Equivalent Ratio by +3% to +9% over sole cropping. Raising the faba bean seeding rate in a mixture from 25% to 75% reduced oat grain yield from 630 (determinate cultivar) to 760 kg ha -1 (indeterminate cultivar) but increased faba bean grain yield from 760 kg ha -1 . Higher yield and leaf area index (LAI) and photosynthetically active radiation (PAR) values show that the indeterminate cultivar of faba bean is more suitable in mixture with naked oat. The high value of competition index (CR > 1) indicates domination and aggressiveness of faba bean towards naked oat. Regardless of cultivar type, mixture of faba bean with naked oat is less productive than pure sowing.

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“…Therefore, most studies concentrate on comparing mixed growth performance with that of pure stands (Connolly et al, 2001;Weigelt and Jolliffe, 2003). Land equivalent ratio (LER), crowding ratio (CR), and aggressivity (A) are some of the frequently used competition indices to compare mixtures with pure stands (Bhatti et al, 2006;Dhima et al, 2007;Yılmaz et al, 2008;Erol et al, 2009;Wahla et al, 2009;Pasynkova and Zavalin, 2010;Rahetlah et al, 2010;Atis et al, 2012a). Forage quality was evaluated in terms of neutral detergent fiber (NDF) and acid detergent fiber (ADF), which were improved by intercropping relative to sole barley crop (Yolcu et al, 2009).…”

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confidence: 99%

Effects of seeding rates on competition indices of barley and vetchintercropping systems in the Eastern Mediterranean

Yilmaz¹,

Özel²,

Atak³

et al. 2015

Turk J Agric For

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IntroductionCereals and legumes are important crops providing energy and protein sources for livestock animals. Since the arable crop lands and ranges in the Eastern Mediterranean region of Turkey have been diminishing, intercropping systems may constitute a better approach for increasing forage yield per unit area. About 10 million km 2 areas around the world have a Mediterranean climate, including parts of the USA, Chile, Australia, South Africa, as well as Mediterranean countries (Iglesias, 2000). In such regions, legume and cereal mixtures have shown significant potential for higher forage yield and better soil conservation (Anil et al., 1998). Mixtures of legumes with cereals are expected to have advantages over pure stands in terms of forage yield and quality. In vetch-cereal intercroppings, cereals provide structural support for vetch growth, improving light absorption and allowing mechanical harvest (Lithourgidis et al., 2006). Furthermore, cereals are rich in carbohydrates while legumes are rich in proteins, serving a better digestive and nutritious feed for animals. Intercropping of cereallegume species is also widespread due to its advantages for soil conservation (Anil et al., 1998), weed control, lodging resistance (Karagic et al., 2011), higher yield, and increased fodder quality (Lithourgidis et al., 2006). Different small grain cereals and vetches have been successfully used in cereal-legume intercropping systems (Dhima et al., 2007;Karagic et al., 2011;Lithourgidis et al., 2011).Since a greater proportion of dry matter produced by barley during blooming and inflorescence is digestible and nutritious, barley is considered a superior quality forage crop compared to other cereals (Carr et al., 2004). Common vetch is a popular legume used for fresh and dry fodder and silage production in Turkey. Hungarian vetch, on the other hand, is under increasing demand due to its productivity. Strydhorst et al. (2008) reported that barley intercrops with legumes improve forage quality compared Abstract: Forage mixtures are common agricultural practices for the energy and protein needs of animals. In this study, common vetch (Vicia sativa L.), Hungarian vetch (Vicia pannonica L.), and barley (Hordeum vulgare L.) mixtures in different seeding rates were investigated in terms of forage yield and quality. In order to evaluate the effect of vetch, cereal intercropping and the competition/ economic indices of 8 different legume-barley mixtures, along with their pure stands, were assessed during the 2008-2009 and 2009-2010 growth seasons in the Eastern Mediterranean region of Turkey. The field experiment was arranged as a randomized complete block design with 3 replications for each year. Intercropping indices were calculated by means of land equivalent ratio (LER), aggressivity (A), crowding ratio (CR), and actual yield loss (AYL). Competition indices revealed that both the common vetch-barley and the Hungarian vetch-barley intercroppings at a seeding ratio of 80%:20%, respectively, were advantageous due to their high...

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Evaluation of the efficiency of spring wheat and vetch mixed crops

Cited by 4 publications

References 1 publication

Yield, Quality and Competition Properties of Grass Pea and Wheat Grown as Pure and Binary Mixture in Different Plant Densities

Yield, Quality and Competition Properties of Grass Pea and Wheat Grown as Pure and Binary Mixture in Different Plant Densities

Agronomic performance of naked oat (Avena nuda L.) and faba bean intercropping

Effects of seeding rates on competition indices of barley and vetchintercropping systems in the Eastern Mediterranean

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