Resorption of nitrogen, phosphorus and potassium from leaves of lucerne stands of different ages

Wang, Zhennan; Lu, Jiaoyun; Yang, Huimin; Xi, Zhang; Luo, Chong-Liang; Zhao, Yuxin

doi:10.1007/s11104-014-2166-x

Cited by 69 publications

(71 citation statements)

References 45 publications

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“…This pattern is inconsistent with the findings of Yang and Luo (2011), who reported that leaf C:N and C:P ratios increased with stand age [13]. A previous study indicated that the leaf N:P ratios in lucerne decreased and then increased with stand age [14]; consistent with our findings. However, the correlation between leaf N:P ratio and stand age varied by sampling month and sampling year.…”

Section: Correlation Studycontrasting

confidence: 99%

“…Thus, decreases in leaf N and P concentrations with growth may be caused by the re-allocation of nutrient elements to other organs in the late growing season. The results of this study indicate that leaf N and P concentrations were more easily influenced than was C concentration by growing season, sampling year and stand age, which is consistent with the results of other reports [14,15,25]. Across all of the larch stands, large variations in leaf C, N and P concentrations were observed, and the leaves of saplings displayed greater demand for N and P than did the other stands.…”

Section: Patterns Of the Leaf C N And P Concentrations Across All Disupporting

confidence: 90%

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Seasonal Variations in Carbon, Nitrogen and Phosphorus Concentrations and C:N:P Stoichiometry in the Leaves of Differently Aged Larix principis-rupprechtii Mayr. Plantations

Crabbe

et al. 2017

Forests

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Abstract:The concentrations and stoichiometry of certain elements (carbon, nitrogen and phosphorus) are critical to the maintenance of plant functional and environmental adaptation during plant growth. We explore how the concentrations of C, N and P and the ratios of C:N, C:P, and N:P in the leaves of differently aged Larix principis-rupprechtii Mayr. plantations changed with growing season and stand age from 2012 to 2015 in the Qinling Mountains, China. The results showed that the element concentration and stoichiometric ratios in leaves were significantly affected by sampling month, stand age and sampling year; and multiple correlations with stand age were observed in different growing seasons. Compared to global element concentrations and stoichiometry in plants, the leaves of larch stands in the study region had higher C and P concentrations and C:N and C:P ratios but lower N concentrations and N:P ratios than global levels. The leaf N:P ratios of all of the larch stands were generally less than 14, suggesting that the growth of larch stands was limited by N in the study region. Our study facilitates the management and restoration of forest plantation and provides a valuable contribution to the global pool of leaf nutrition and stoichiometry data.

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Section: Correlation Studycontrasting

confidence: 99%

Section: Patterns Of the Leaf C N And P Concentrations Across All Disupporting

confidence: 90%

Seasonal Variations in Carbon, Nitrogen and Phosphorus Concentrations and C:N:P Stoichiometry in the Leaves of Differently Aged Larix principis-rupprechtii Mayr. Plantations

Crabbe

et al. 2017

Forests

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“…No significant difference was found between this study and previous report (Wang et al, 2014) and between lucerne and other species from larger scales (Elser et al, 2000;He et al, 2008;McGroddy et al, 2004;Reich and Oleksyn, 2004;Townsend et al, 2007;Zheng and Shangguan, 2007). This result differs a lot from what we knew from a semi-arid grassland of China (Cui et al, 2010), in which the legume shrub showed the highest foliar N:P. However, in most cases lucerne leaf N:P was higher than the global values, possibly resulting from the very high Volume 39 Issue 4 (2016) 599 N concentration of leguminous lucerne with strong BNF.…”

Section: Resultscontrasting

confidence: 99%

“…Cut effect was significant on total N:P concentration. There was a significant effect of age on leaf total P concentration, in accordance with Wang et al (2014). These cut and age effects are mostly from the change in N concentration since there was a stronger correlation of N:P with N than P. Additionally, N:P in leaves was greater than in stems due to more N accumulation in the leaf.…”

Section: Resultssupporting

confidence: 76%

“…Ågren (2008) found that C:N and C:P increased with plant growth in the growing season. showed preliminarily C:N change with lucerne growth at the vegetation stages, and Wang et al (2014Wang et al ( , 2015 showed N:P decreased and then increased with stand age of lucerne. However, there was no effort put into the study on ES change during plant flowering.…”

Section: Introductionmentioning

confidence: 98%

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Carbon, nitrogen and phosphorus stoichiometry in differently aged lucerne stands during flowering

Wang

et al. 2016

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This study aimed to test the hypothesis that stoichiometric ratios of C, N and P change with plant growth during flowering. The C:N, C:P and N:P varied without solid trends during flowering. The C:N was significantly different only between cuts, while the C:P and N:P were influenced by age, cut and their interaction. The C:N and C:P were higher in the 1 st cut than in the 2 nd cut, while for N:P, it was opposite. No solid trends were observed with the effects of age on both C:P and N:P. The N and P were closely correlated with C:N, C:P and N:P. Conclusively, stoichiometric ratios of C, N and P varied during flowering and changed with stand age and cut.

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Nutrient resorption responses of plant life forms to nitrogen addition in temperate shrublands

et al. 2022

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Atmospheric nitrogen (N) deposition has significantly altered nutrient availability in most terrestrial ecosystems, which may affect plant nutrient resorption and hence change nutrient cycling and community composition. Although studies on the effects of changed soil nutrients on leaf nutrient resorption have been extensively reported in forests and grasslands, much less known about how plants in temperate shrublands respond to nitrogen deposition across the world. A 4-year N addition experiment in Vitex negundo and Spiraea trilobata shrublands was conducted to investigate the potential impacts of N deposition on nutrient resorption in two life forms. The green and senesced leaf N ([N] g and [N] s ) and phosphorus ([P] g and [P] s ) concentrations were measured in four shrubs and two graminoids to calculate N (NRE) and P (PRE) resorption efficiency. We found markedly lower NRE and PRE in shrubs than in graminoids, implying that shrubs probably have a higher capability of acquiring nutrients from soil, whereas graminoids rely on acquiring more nutrients via resorption. N addition increased the [N] g , [N] s , and N:P ratios ([N:P]) and decreased the [P] g of shrubs and all species, whereas it only increased [N] s but had negligible effects on the [N] g , [P] g , and [N:P] of graminoids. The [P] s , NRE, and PRE did not change in either life form or all species combined after N fertilization. Our results suggest that shrubs increase N uptake but do not alter internal N cycling (i.e., nutrient resorption), whereas graminoids do not change N acquisition strategies, in response to increased N supply from the soil. Continuous N addition exacerbated the P limitation of the shrub plants. Both shrubs and graminoids were more likely to adopt nearly complete utilization of P from the soil and senesced leaves under P deficiency, leading to a noneffect of N addition on leaf PRE. Our findings also suggest that the [N] g and [P] g responses to N addition are life-form specific, implying that N addition may affect ecosystem carbon (C) and nutrient cycles by altering the dominance values of the two life forms and community composition.

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Resorption of nitrogen, phosphorus and potassium from leaves of lucerne stands of different ages

Cited by 69 publications

References 45 publications

Seasonal Variations in Carbon, Nitrogen and Phosphorus Concentrations and C:N:P Stoichiometry in the Leaves of Differently Aged Larix principis-rupprechtii Mayr. Plantations

Seasonal Variations in Carbon, Nitrogen and Phosphorus Concentrations and C:N:P Stoichiometry in the Leaves of Differently Aged Larix principis-rupprechtii Mayr. Plantations

Carbon, nitrogen and phosphorus stoichiometry in differently aged lucerne stands during flowering

Nutrient resorption responses of plant life forms to nitrogen addition in temperate shrublands

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