Effects of crop density and tillage system on grain yield and N uptake from soil and atmosphere of sole and intercropped pea and oat

Neumann, Angelika; Schmidtke, Knut; Rauber, Rolf

doi:10.1016/j.fcr.2006.08.001

Cited by 83 publications

(54 citation statements)

References 32 publications

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“…Competitive stresses forcing legumes to increase N 2 -fixation also lead to complementary N use (Jensen 1996;Hauggaard-Nielsen and Jensen 2001). This has been shown for oat-pea (Neumann et al 2007), barley-faba bean (Danso et al 1987), barley-pea (Hauggaard-Nielsen et al 2001b) and wheat-faba bean (Wang et al 2007b) intercrops.…”

Section: Factors Affecting Nitrogen Dynamicsmentioning

confidence: 96%

“…Daily N fixation was lower in ryegrass (Lolium perenne)-white clover (Trifolium repens) pastures, compared to more diverse pasture systems (Goh and Bruce 2005). However, due to lower legume density in intercrops, the total amounts of N derived from the atmosphere are typically lower, although the percentage of fixed N per plant increases (Neumann et al 2007). …”

Section: Symbiotic Nitrogen Fixationmentioning

confidence: 99%

“…These two effects can reduce the risk of nutrient leaching and the consequent negative environmental impacts. This is of particular importance in temperate climates where precipitation exceeds evapotranspiration which can result in high N losses due to leaching (Neumann et al 2007). …”

Section: Nutrient Lossesmentioning

confidence: 99%

“…Rates of N fixation are influenced by abiotic factors including soil acidity, salinity, temperature, moisture (Stern 1993;Goh and Bruce 2005), and compaction (Riesinger and Herzon 2010); and by biotic factors such as legume growth, biomass and health (Stern 1993;Riesinger and Herzon 2010;Isaac et al 2012), which, in a multiple-crop circumstance is affected by interplant competition (Giller and Cadisch 1995;Neumann et al 2007) and other biological and chemical interactions between crops, microorganisms and the soil system (Stern 1993;Bever et al 2010), and the presence of AMF (Zarea et al 2011).…”

Section: Factors Affecting Nitrogen Dynamicsmentioning

confidence: 99%

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Plant: soil interactions in temperate multi-cropping production systems

2013

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Section: Factors Affecting Nitrogen Dynamicsmentioning

confidence: 96%

Section: Symbiotic Nitrogen Fixationmentioning

confidence: 99%

Section: Nutrient Lossesmentioning

confidence: 99%

Section: Factors Affecting Nitrogen Dynamicsmentioning

confidence: 99%

See 2 more Smart Citations

Plant: soil interactions in temperate multi-cropping production systems

2013

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“…These practices increased the inorganic N content of soil in the experimental plots. In previous studies, the growth and yield of intercropped peas were suppressed when the N fertilizer was applied, because legumes are less competitive in soil with a high nutrient content (Andersen et al, 2004;Ghaley et al, 2005;Neumann et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

Dual and Triple Intercropping: Potential Benefits for Annual Green Manure Production

Miyazawa

Takeda

Murakami

et al. 2014

Plant Production Science

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trial; pROL, partial relative land output value; ROL, ralative land output; S, sorghum sole cropping; SC, sorghum and crotalaria intercropping; SCH, sorghum, crotalaria, and sunflower intercropping; SH, sorghum and sunflower intercropping. Dual and Triple Intercropping: Potential Benefits for AnnualGreen Manure Production Kae Miyazawa, Masae Takeda, Toshifumi Murakami and Tohru Murayama (National Agricultural Research Center for Tohoku Region, Cover Crop Research Team, 50 Harajuku-minami, Fukushima 960-2156, Japan) Abstract: Greater species diversity in natural ecosystems increases plant biomass production and stability. Intercropping is an agricultural practice that aims to accrue the benefits of species diversity by growing two or more species simultaneously in the same space. Functional group diversity is considered important for enhancing the beneficial effects of species diversity, but most previous intercropping studies used combinations of only two functional groups. Thus, we used three green manure species from different functional groups: sorghum (Sorghum bicolor (L.) Moench.), a C4 grass; crotalaria (Crotalaria juncea L.), a legume; and sunflower (Helianthus annuus L.), a forb. We examined the effects of intercropping on biomass, nutrient uptake, and their stability using a proportional replacement series in a field experiment for three years with four trials. The aboveground biomass was higher with dual and triple-component intercrops compared with sole crops; however, there were no superior effects of triple-component intercropping over dual-component intercropping. There were also no clear advantages of intercropping in terms of the nutrient uptake amount and stability.

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Forage yield and biological nitrogen fixation of pea–cereal intercrops for hay production

et al. 2023

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Intercropping forage pea (Pisum sativum L.) with barley (Hordeum vulgare L.) or oat (Avena sativa L.) is an alternative way of cropping to improve forage yield and quality for hay production compared to monocropping. A 2-year (2016-2017) field study was conducted at three sites in Saskatchewan, Canada, to evaluate forage production and biological nitrogen fixation (BNF) of pea-cereal intercrops in comparison to pea, barley, and oat monocrops with and without 60 kg N ha −1 fertilization. Barley and oat were dominant (p < 0.001) in the intercrop by accounting for 65%-92% of the total dry matter (DM) yield. Compared to the pea monocrops, pea-cereal intercrops significantly increased forage DM yield at Melfort (52%-73%), Saskatoon (68%-118%), and Swift Current (25%-69%). At Melfort, nitrogen (N) fertilization increased total forage DM yield (p = 0.003) of monocrops and intercrops but it reduced N fixation by 22%-63% (p < 0.01). At Swift Current site, N fixation was reduced by 35%-65% (p = 0.019) when N fertilizer was applied. The total amount of N fixation varied from 18 kg N ha −1 (Swift Current) to 59 kg N ha −1 (Melfort), whereas the N transfer rate ranged from 17% (pea:oat) to 43% (pea:barley) in the intercrops. This study indicates that intercropping forage pea with forage barley or oat increased forage DM yield and N fixation. Effect of N fertilization on BNF was site specific, reducing N fixation of pea at two of three sites in the study.

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Effects of crop density and tillage system on grain yield and N uptake from soil and atmosphere of sole and intercropped pea and oat

Cited by 83 publications

References 32 publications

Plant: soil interactions in temperate multi-cropping production systems

Plant: soil interactions in temperate multi-cropping production systems

Dual and Triple Intercropping: Potential Benefits for Annual Green Manure Production

Forage yield and biological nitrogen fixation of pea–cereal intercrops for hay production

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