Impact of anthropogenic induced nitrogen input and liming on phosphorus leaching in forest soils

Holzmann, Stefan; Missong, Anna; Puhlmann, Heike; Siemens, Jan; Bol, Roland; Klumpp, Erwin; Wilpert, Klaus von

doi:10.1002/jpln.201500552

Cited by 42 publications

(27 citation statements)

References 35 publications

(40 reference statements)

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“…All fractions had significant amounts of P, with concentrations varying with site characteristics. Initial results of the soil leachate characterization revealed the presence of nanoparticles and colloids, thus, confirming their relevance to transport and leaching of P ( Holzmann et al, 2016). The 31 P‐NMR spectra indicated that soil nanoparticles and colloids were more enriched in organic than in inorganic P forms than the electrolyte phase, as also shown in other recent studies ( Liu et al, 2013; Liu et al, 2014).…”

Section: Phosphorus Forms and Transport Fluxes In Soilsmentioning

confidence: 63%

“…The relative contribution of molybdate‐reactive P to total P (molybdate‐reactive P after digestion with persulfate) in the leachates was 12% higher in mesocosms receiving N (generally 50–75 μg P L −1 depending on the forest location), i.e. , 47% against only 35% in the other two treatments (forest liming and ambient rain; Holzmann et al, 2016).…”

Section: Phosphorus Forms and Transport Fluxes In Soilsmentioning

confidence: 98%

See 1 more Smart Citation

Atomic‐Level Quality Assessment of Enzymes Encapsulated in Bioinspired Silica

Martelli

Ravera

Louka

et al. 2015

Chemistry A European J

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Among protein immobilization strategies, encapsulation in bioinspired silica is increasingly popular. Encapsulation offers high yields and the solid support is created through a protein-catalyzed polycondensation reaction that occurs under mild conditions. An integrated strategy is reported for the characterization of both the protein and bioinspired silica scaffold generated by the encapsulation of enzymes with an external silica-forming promoter or with the promoter expressed as a fusion to the enzyme. This strategy is applied to the catalytic domain of matrix metalloproteinase 12. Analysis reveals that the structure of the protein encapsulated by either method is not significantly altered with respect to the native form. The structural features of silica obtained by either strategy are also similar, but differ from those obtained by other approaches. In case of the covalently linked R5-enzyme construct, immobilization yields are higher. Encapsulation through a fusion protein, therefore, appears to be the method of choice.

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Section: Phosphorus Forms and Transport Fluxes In Soilsmentioning

confidence: 63%

Section: Phosphorus Forms and Transport Fluxes In Soilsmentioning

confidence: 98%

Atomic‐Level Quality Assessment of Enzymes Encapsulated in Bioinspired Silica

Martelli

Ravera

Louka

et al. 2015

Chemistry A European J

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“…Reports indicate that N addition reduces the availability of soil labile P in tropical forests [7]. N deposition can also accelerate soil acidification [8,9], resulting in the decrease of soil P availability by binding of phosphate ions with Al [10,11].…”

Section: Introductionmentioning

confidence: 99%

Photosynthesis, Ecological Stoichiometry, and Non-Structural Carbohydrate Response to Simulated Nitrogen Deposition and Phosphorus Addition in Chinese Fir Forests

Wang

et al. 2019

Forests

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Phosphorus (P) deficiency in soil affects plant growth and primary production. Accelerated nitrogen (N) deposition can cause ecological carbon:nitrogen:phosphorus (C:N:P) stoichiometry imbalance and increase the degree of relative P deficiency in the soil. However, it remains unclear how N deposition affects P uptake and C:N:P stoichiometry in coniferous timber forests, and whether P addition diminishes the effect of N-induced P limitation on plant growth. From January 2017 to April 2018, we investigated the effects of nine different N and P addition treatments on 10-year old trees of Chinese fir, Cunninghamia lanceolata (Lamb.) Hook. Our results demonstrated that N and P additions at a high concentration could improve the photosynthetic capacity in Chinese fir by increasing the chlorophyll content and stimulating the photosynthesis activity. The C:N:P stoichiometry varied with the season under different N and P addition treatments, indicating that N addition at a moderate concentration could diminish the effect of the P limitation on the growth of Chinese fir. The soluble sugar content in the leaves displayed more stable seasonal variations, compared with those of starch. However, the non-structural carbohydrate (NSC) content in the leaves did not vary with the season under both P and N addition treatment. The data suggested that N and P combination treatment at moderate concentrations promoted carbon assimilation by accelerating the photosynthetic rate. Thus, our results provide new insights into the adaptation mechanisms of coniferous timber forest ecosystems to the effects of N deposition under P deficiency and can help to estimate the ecological effects of environmental changes linked to human management practices.

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“…There is much information about P leaching in agricultural land, and some for forest land, especially in topsoil (Hesketh and Brookes, 2000; Li et al, 2015; Holzmann et al, 2016). However, little information is available on the evaluation of P leaching from soil profiles in agroforestry areas.…”

mentioning

confidence: 99%

Phosphorus Leaching from Soil Profiles in Agricultural and Forest Lands Measured by a Cascade Extraction Method

Xie

Tang

et al. 2019

J of Env Quality

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The risk of P leaching from topsoil based on the change‐point estimated via a split‐line model between Olsen P and leachable P extracted by 0.01 M CaCl2 has been reported. However, little information is available for the assessment of P leaching from soil profiles. In this study, samples were collected at three depth profiles (0–20 cm, topsoil; 20–40 cm, subsoil; 40–60 cm, third‐layer soil) at each of 74 sites under agriculture and forest in an agroforestry area. A cascade extraction method was proposed to determine the leachable P in the subsoil, extracted by the topsoil extraction solution; a similar extracted process was followed in the third‐layer soil, and in the topsoil, it was still extracted by 0.01 M CaCl2. A positive linear correlation was found between the subsoil leachable P extracted by the topsoil extraction solution and the accumulated P obtained from the subsoil leached by topsoil leachates, and so on. Therefore, the cascade extraction method for determining leachable P from topsoils and underlying soils could be valuable for predicting the potential of P leaching from soil profiles. Approximately 81, 73, and 73% of the agricultural sampling sites were at or above the change‐points for the soil depths of 0 to 20, 20 to 40, and 40 to 60 cm (30.4, 32.9, and 18.2 mg kg−1 respectively); these values were higher than those for the forest site, implying a high risk of P leaching from agricultural soil profiles in the study area. Core Ideas A cascade extraction method for evaluating P leaching from soil profiles was proposed. The correlation of soil leachable P and accumulated P in soil leachates was confirmed. The risk of P leaching from soil profiles in an agroforestry area was calculated.

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Impact of anthropogenic induced nitrogen input and liming on phosphorus leaching in forest soils

Cited by 42 publications

References 35 publications

Atomic‐Level Quality Assessment of Enzymes Encapsulated in Bioinspired Silica

Atomic‐Level Quality Assessment of Enzymes Encapsulated in Bioinspired Silica

Photosynthesis, Ecological Stoichiometry, and Non-Structural Carbohydrate Response to Simulated Nitrogen Deposition and Phosphorus Addition in Chinese Fir Forests

Phosphorus Leaching from Soil Profiles in Agricultural and Forest Lands Measured by a Cascade Extraction Method

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