Nitrogen:sulphur ratio alters competition between Trifolium repens and Lolium perenne under cutting: Production and competitive abilities

Tallec, Tiphaine; Diquélou, Sylvain; Lemauviel, Servane; Cliquet, Jean‐Bernard; Lesuffleur, Fabien; Ourry, Alain

doi:10.1016/j.eja.2008.04.004

Cited by 21 publications

(19 citation statements)

References 33 publications

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“…Tallec et al (2008bTallec et al ( , 2009 have investigated the effects of S fertilization on growth and BNF in white clover. A greater apparent BNF was observed under S supply, even for low S amounts, and appeared to cause the large increase in biomass production after S fertilisation reported by Tallec et al (2008a). Different physiological mechanisms may explain this S effect.…”

Section: Sulphur Supplymentioning

confidence: 61%

“…Streeter 1988), and on the competitive ability of legumes grown in community (e.g. Faurie et al 1996;Navas et al 2002;Tallec et al 2008aTallec et al , 2009. In many cases, however, small amounts of mineral N appear to be beneficial at the seedling stage for legume growth and nodulation (e.g.…”

Section: Nitrogen Supplymentioning

confidence: 99%

“…Though it may reduce BNF, mineral N supply does not alter the above-ground net primary productivity of legumes when grown in monoculture (e.g. Salon et al 2001;Collins et al 2003;Tallec et al 2008aTallec et al , 2009.…”

Section: Nitrogen Supplymentioning

confidence: 99%

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Can we understand and predict the regulation of biological N2 fixation in grassland ecosystems?

Soussana

Tallec

2009

Nutr Cycl Agroecosyst

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We discuss results from controlled environment studies including mesocosms, grazing experiments and long term field experiments which show how biological N 2 fixation in legume based systems is tightly coupled to the N demand at scales ranging from the individual plant to the grassland ecosystem. We further test the consequences of this hypothesis of a feedback regulation of biological N 2 fixation by N demand with a mechanistic model linking plant community dynamics and ecosystem functioning. Results confirm the heuristic power of this hypothesis which accounts for a number of observations concerning changes in the relative abundance and N 2 fixation rate of legumes in managed grasslands. Then we show how nitrogen and carbon fluxes are affected by plant-plant (e.g. competition and facilitation), plant-soil and plant-herbivore interactions and by climate and management changes.

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Section: Sulphur Supplymentioning

confidence: 61%

Section: Nitrogen Supplymentioning

confidence: 99%

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Can we understand and predict the regulation of biological N2 fixation in grassland ecosystems?

Soussana

Tallec

2009

Nutr Cycl Agroecosyst

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“…Tallec et al (2008), though, stated similar dependence only for the monoculture of perennial ryegrass. However, for the mixture of perennial ryegrass and white clover the significance of yield under the influence of synergism of fertilization with those two fertilizers was with the level of probability (P < 0.01).…”

Section: Resultsmentioning

confidence: 99%

The efficiency of nitrogen and sulphur fertilization on yields and value of N:S ratio for Lolium × boucheanum

Grygierzec¹,

Luty²,

Musiał³

2015

PLANT SOIL ENVIRON

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This paper deals with the efficiency of nitrogen (N) and sulphur (S) fertilization on yields and value of N:S ratio for hybrid ryegrass cultivated in monoculture and in a mix with white clover. The research was carried out from 2011-2013 near Krakow in southern Poland. Plants were evaluated in the context of diversified fertilization with nitrogen at rates of 50 and 100 kg N/ha as well as two sulphur-based fertilizers: Arista siarka and Pro-siarka, used at rates of 5, 10, 15 kg S/ha. Independent research findings have shown a clear synergism between nitrogen and sulphur, namely fertilization with sulphur in the form of Arysta siarka and Pro-siarka fertilizers that increased the yields of total aboveground biomass of the plants, from all cuts and decreased the values of the N:S ratio. The highest average dry matter yield was determined after the use of 50 kg N/ha and 15 kg S/ha in the form of Pro-siarka fertilizer, compared to fertilization with 50 kg N/ha, amounting to 0.52-2.08 t/ha for hybrid ryegrass and 0.15-2.40 t/ha for hybrid ryegrass with white clover, respectively. The highest average narrowing of the N:S ratio was calculated in plants fertilized with 100 kg N/ha and 15 kg S/ha in the form of Pro-siarka fertilizer.

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“…This can be attributed to the stoloniferous growth habit of white clover (Durand et al, 1999), which allowed it to occupy the spaces left by the other species, particularly in the swards with high percentages of perennial ryegrass. Given that white clover grows well under shaded conditions, being associated with grasses might help it grow better, as it mitigates the low temperatures by occupying the lower strata and creating a microclimate that helped the best growth of the clover (Tallec et al, 2008;Nyfeler et al, 2011). The trend that orchard grass presents can be attributed to its resistance to higher temperatures, in comparison with perennial ryegrass (Durand el al., 1999).…”

Section: Discussionmentioning

confidence: 99%

Productivity of orchard grass (Dactylis glomerata L.) alone and associated with perennial ryegrass (Lolium perenne L.) and white clover (Trifolium repens L.)

et al. 2017

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-The objective of this research was to evaluate the productive capacity of orchard grass alone and associated with perennial ryegrass and white clover sown at different proportions. Treatments consisted of the following associations and monoculture: 100-00-00, 70-20-10, 50-00-50, 40-40-20, 40-20-40, 20-70-10, 20-40-40, and 00-50-50% of orchard grass, perennial ryegrass, and white clover, respectively. The eight treatments were randomly distributed into 24 experimental plots of 9 × 8 m according to a completely randomized block design with three replicates. On average, the associations that had the highest herbage yield in two years were 40-20-40, 20-70-10, and 20-40-40 with 21038, 20709, and 20073 kg DM ha −1 , respectively, and the lowest herbage yield was registered by monoculture with 12793 kg DM ha −1 . The associations with higher herbage yield exceeded that of monoculture by about 61%. Independently of the association, in summer, the highest percentage was found to be orchard grass and in winter, it was white clover, while perennial ryegrass had the lowest percentage throughout the study. The associations of grasses and legumes have higher herbage yield when compared with the monoculture of orchard grass. The legume has a better behaviour when it is associated with perennial ryegrass and worse with orchard grass.

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Nitrogen:sulphur ratio alters competition between Trifolium repens and Lolium perenne under cutting: Production and competitive abilities

Cited by 21 publications

References 33 publications

Can we understand and predict the regulation of biological N2 fixation in grassland ecosystems?

Can we understand and predict the regulation of biological N2 fixation in grassland ecosystems?

The efficiency of nitrogen and sulphur fertilization on yields and value of N:S ratio for Lolium × boucheanum

Productivity of orchard grass (Dactylis glomerata L.) alone and associated with perennial ryegrass (Lolium perenne L.) and white clover (Trifolium repens L.)

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