Effect of nitrogen, phosphorus and potassium availability on emergence, nodulation and growth of acidicole Trifolium arvense L. in alkaline soil

Chmelíková, Lucie; Hejcman, Michal

doi:10.1016/j.flora.2012.09.005

Cited by 13 publications

(14 citation statements)

References 35 publications

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“…Therefore, phosphorus acts in the growth and operation of nodules (Almeida et al, 2006). In this sense, phosphorus availability in the soil accounted for the increase and change in the shape of nodules in Trifolium arvense, as well it increased the efficiency to fix nitrogen (N 2 ) of this plant (Chmelikova and Hejcman, 2012), which is in accordance with the data obtained in this study for NDM.…”

Section: Resultssupporting

confidence: 88%

Nodulation, Growth and Soybean Yield in Response to Seed Coating and Split Application of Phosphorus

et al. 2016

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-Phosphorus is one of the most important nutrients for soybeans, but it presents a complex dynamic in the soil and can become unavailable. The split and localized application of this nutrient can be an effective approach to increase its availability. The aim of this study was to evaluate the effect of a split phosphorus dose applied to the soil and the seed coating with monobasic sodium phosphate on nodulation, growth and yield components of soybean cultivar BRS Valiosa RR. The experiment was conducted in a greenhouse in a completely randomized design in a 2x5x3 factorial arrangement, i.e., coating or not the seeds; five doses of phosphorus applied to the soil; and three times of splitting phosphate fertilizer. Phosphorus content in the index leaf (IL), dry matter of shoots, roots and nodules, yield components, and plant height were evaluated. There was an increase in nodulation and growth of plants with increased levels of phosphorus applied to the soil. In smaller doses, the seed coating and the splitting of phosphorus fertilizer increased nodulation, growth and yield components of plants. Thus, the splitting of the phosphorus dose, combined with seed coating, is indicated for increasing the yield components of soybean plants.Index terms: Glycine max, phosphorus availability, seed treatment. Nodulação, Crescimento e Rendimento de Plantas de Soja em Resposta aoRecobrimento das Sementes e Parcelamento da Adubação Fosfatada RESUMO -O fósforo é um dos nutrientes mais importantes para a soja, porém apresenta uma dinâmica complexa no solo e pode tornar-se indisponível. A aplicação parcelada e localizada desse nutriente pode ser tática eficiente para aumentar sua disponibilidade. Assim, objetivou-se avaliar o efeito do parcelamento da dose de P aplicada ao solo e do recobrimento das sementes com fosfato de sódio monobásico na nodulação, no crescimento e nos componentes de rendimento de plantas de soja cultivar BRS Valiosa RR. O experimento foi conduzido em casa de vegetação em delineamento inteiramente casualizado, em esquema fatorial 2x5x3, ou seja, recobrimento ou não das sementes; cinco doses de P aplicados ao solo; e três épocas de parcelamento da adubação fosfatada. As seguintes variáveis resposta foram avaliadas: teor de P na folha índice, matéria seca da parte aérea, da raiz e dos nódulos, componentes de rendimento e altura de plantas. Houve incremento na nodulação e no crescimento das plantas com o aumento das doses de fósforo aplicado no solo. Nas menores doses, o recobrimento das sementes e o parcelamento da adubação fosfatada aumentaram a nodulação, o crescimento e os componentes do rendimento das plantas. Assim, o parcelamento da dose de P, aliado ao recobrimento das sementes, é indicado para aumentar os componentes de produtividade das plantas de soja.Termos para indexação: Glycine max, disponibilidade de fósforo, tratamento de sementes.

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Section: Resultssupporting

confidence: 88%

Nodulation, Growth and Soybean Yield in Response to Seed Coating and Split Application of Phosphorus

et al. 2016

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“…Following this application, plants in treatments with high N addition withered. This indicates a negative effect of high N supply, especially NH 4 + , on legumes and is consistent with previous results for T. arvense (Chmelíková & Hejcman ) and T. pratense (Neuberg et al . ).…”

Section: Discussionsupporting

confidence: 93%

“…This might be related to low nutrient availability in the used soil and therefore to a stimulating effect of increased nutrient supply on early growth of seedlings. A similar positive effect of increased nutrient availability on emergence was recorded in the same soil for T. arvense L. (Chmelíková & Hejcman ). This contradicts results for several other species in which a high N supply reduced germination ( Atriplex spp.…”

Section: Discussionsupporting

confidence: 71%

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Effect of nitrogen, phosphorus and potassium availability on emergence, nodulation and growth of Trifolium medium L. in alkaline soil

Chmelíková

Hejcman

2013

Plant Biol J

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Little is known about the effects of nutrient availability on the growth of Trifolium medium in alkaline soil. In 2010, a pot experiment (10 N, P and K fertiliser treatments) with seeding of T. medium into alkaline soil was performed and emergence of seedlings, survival, aboveground and belowground organs were studied. The positive effects of increased nutrient availability on seedling emergence ranged from 5% in the control to 17% in the high P treatment. The lowest mortality was in treatments with P and K supply and the highest in treatments with N supply, due to the sensitivity of young plants to high N availability. The highest values of most measured aboveground plant traits were recorded in treatments with simultaneous application of N, P and K. There were highly positive effects of P supply alone or in combination with N and K on the development of belowground organs. Taproot length ranged from 11.5 in high N to 40.2 cm in P treatment. There was a negative effect of N application on nodulation, especially in N treatments, where growth of T. medium was limited by insufficient P supply. The number of nodules per plant ranged from 0.8 to 4.5 in the high N and P treatments. As demonstrated in this study, T. medium is a potentially suitable legume for alkaline soils. It requires a relatively high P and K supply as well as moderate mineral N supply to achieve its maximum growth potential.

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“…There was a positive relationship between nodulation and yield of the grass–legume mixture, as already reported by Warembourg et al (1997). Nodulation and nitrogenase activity are suppressed by high levels of available N in the soil, as proposed for forage legumes by Mengel et al (2001) and for clover species by Chmelíková and Hejcman (2012b; 2014). Generally, red clover responded less to N availability in comparison to alfalfa.…”

Section: Discussionmentioning

confidence: 68%

Seasonal development of above‐ and below‐ground organs of Trifolium pratense in grass–legume mixture on different soils

Chmelíková

Wolfrum

Schmid

et al. 2014

J. Plant Nutr. Soil Sci.

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Grass–legume mixtures are suitable for crop rotations in organic farming. However, seasonal development of below‐ground organs of Trifolium pratense in mixtures and on different soils was neglected. We asked (1) how the diameter of the root neck, the maximum order of branching as well as (2) the nodule traits are affected by locality and time, and (3) how above‐ground plant traits of red clover vary in space and time. Red clover was investigated in grass–legume mixtures in the first year of vegetation. Five sites in S Germany were sampled at the day of cut at the end of May, the beginning of July, and at the end of August, respectively. Under similar climatic conditions root traits (diameter of the root neck, order of root branching, size of nodules, and proportion of senescent nodules) differed with soil conditions and time within the season. Root diameter increased during the season. Higher sand content fostered root branching and branched roots developed more nodules. Thinner roots had more active nodules (pink). Root diameter and non‐active senescent (green) or moribund (brown) nodules increased at the end of season. Nodule activity differed more according to season than to soil conditions. The number of nodules per plant (12.5–19.5) decreased from May to August. Cylindrical nodules were found on 85–100% of the plants and branched nodules only on 0–25%. The height of plants was lowest in May and increased in July. The mean number of stems per plant (3.3–6.3) was highest in August. Understanding red clover traits and N2 fixation is interesting scientifically as well as agronomical. Organic and conventional farmers can both benefit of our findings.

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Effect of nitrogen, phosphorus and potassium availability on emergence, nodulation and growth of acidicole Trifolium arvense L. in alkaline soil

Cited by 13 publications

References 35 publications

Nodulation, Growth and Soybean Yield in Response to Seed Coating and Split Application of Phosphorus

Nodulation, Growth and Soybean Yield in Response to Seed Coating and Split Application of Phosphorus

Effect of nitrogen, phosphorus and potassium availability on emergence, nodulation and growth of Trifolium medium L. in alkaline soil

Seasonal development of above‐ and below‐ground organs of Trifolium pratense in grass–legume mixture on different soils

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