Effects of Lime and Calcium on Root Development and Nodulation of Clovers

Bräuer, David; Ritchey, Dale; Belesky, D. P.

doi:10.2135/cropsci2002.1640

Cited by 28 publications

(19 citation statements)

References 25 publications

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“…The most positive effects of P1 and P2 treatments and negative effects of high N application without other nutrients (N1 and N2 treatments) affected nodulation. A positive effect of P and negative effect of N application on nodulation in legumes is consistent with results of many authors for different legume species (Adams et al 2002;Brauer et al 2002;Roumet et al 2008;Li et al 2011;Chmel ıkov a & Hejcman 2012b). In general, the degree of nodule inhibition after N application depended on the P level, as described in Gates & Wilson (1974) for Stylosanthes humulis, where combinations of N and P application stimulated successful nodulation in contrast to separate N application.…”

Section: Underground Organssupporting

confidence: 90%

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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Section: Underground Organssupporting

confidence: 90%

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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“…A similar procedure for assessing the degree of tolerance to the acidity of the varieties Banat, NS median, K-28, Sinskaja and OS-66 on pseudogley with 4.79 pH in KCl was performed on the field of the Agricultural School in Kraljevo (STEVOVIĆ et al, 2010). They make an effort to solve the problem by liming (BRAUER et al, 2002), and breeding, that is creation of germplasm tolerant to low pH (CAMPBELL et al, 1993;DALLAGNOL et al, 1996;GREWAL and WILLIAMS, 2003).…”

Section: Introductionmentioning

confidence: 99%

Morphological characteristics of alfalfa genotypes tolerant to low soil pH

et al. 2019

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In total 76 varieties of alfalfa were collected and sown and 41 alfalfa genotypes showed tolerances to lower soil pH. The selected alfalfa genotypes are then sown in a test field on the soil that belongs to the type of brown soil on the gravel or the cambisol with the soil pH from 5.33 to 5.64. After 5 years, 10 genotypes were selected based on the agronomic properties and the experiment was set up on the soil with the pH from 5.0 to 5.1 in H2O. The following genotypes were used for these tests: G-2, G-11, G-19, G-34, G-39, G-44, G-48, G-51, G-53 and G-100. The following properties were observed: plant height (cm), number of stems per plant, stem thickness (mm), number of internodes per stem, leaf/stem ratio (%), yield of biomass in the I cut (g plant-1). During these tests, the highest degree of tolerance towards the lower soil pH was shown by the genotype G-44. Good results were achieved with alfalfa genotypes G-11 and G-48 where the percentage of survivors was over 80%. The highest average plant height during the three-year study (36.9 cm) was recorded in the genotype G-100. The high and stable yield of dry mass per plant have genotypes G-44 and G-19 and they are grouped in group I and are desirable for further breeding. Genotype and year have statistically significant and highly significant influence on the tested parameters, while the significance of the interaction of the genotype x year was determined only for the thickness of the stem.

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“…The different soil reactions (pH between 5.6 and 7.3) did not affect the nodulation. Opposed to that, Brauer et al (2002) found increased numbers of nodules in soil with higher soil reaction.…”

Section: Discussionmentioning

confidence: 92%

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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Effects of Lime and Calcium on Root Development and Nodulation of Clovers

Cited by 28 publications

References 25 publications

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

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

Morphological characteristics of alfalfa genotypes tolerant to low soil pH

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

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