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Articoli di riviste sul tema "Nutrient cycles"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Coleman, David C., and E. R. Ingham. "Terrestrial nutrient cycles." Biogeochemistry 5, no. 1 (1988): 3–5. http://dx.doi.org/10.1007/bf02180315.

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2

Hendrickson, O. Q., and J. Richardson. "Nested forest nutrient cycles: implications for plantation management." Forestry Chronicle 69, no. 6 (1993): 694–98. http://dx.doi.org/10.5558/tfc69694-6.

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Natural forests may be viewed as containing nested nutrient cycles: an "external" cycle mediated by atmospheric processes, a "soil" cycle of litter production and decay, and one or more "plant" cycles involving retranslocation and internal storage pools. The goal of plantation forest management should be to enhance all of these cycles. Stimulating the "external" cycle by adding fertilizer nutrients is likely to increase "soil" and "plant" cycling rates as well. A basic understanding of how these nested cycles are linked can improve the management of nutrients in forest plantations.

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3

Delgado, J. A., and R. F. Follett. "Carbon and nutrient cycles." Journal of Soil and Water Conservation 57, no. 6 (2002): 455–64. https://doi.org/10.1080/00224561.2002.12457478.

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4

COMERFORD, N. "Forest Soils and Nutrient Cycles." Soil Science 146, no. 6 (1988): 467. http://dx.doi.org/10.1097/00010694-198812000-00009.

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5

Liu, Fang, Wei Zhang, and Siqi Li. "Effects of Freeze–Thaw Cycles on Uptake Preferences of Plants for Nutrient: A Review." Plants 14, no. 7 (2025): 1122. https://doi.org/10.3390/plants14071122.

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Freeze–thawing is an abiotic climatic force prevalent at mid-to-high latitudes or high altitudes, significantly impacting ecosystem nitrogen (N) and phosphorus (P) cycling, which is receiving increasing attention due to ongoing global warming. The N and P nutrients are essential for plant growth and development, and the uptake and utilization of these nutrients by plants are closely linked to external environmental conditions. Additionally, the availability of N and P nutrients influences the ecological adaptability of plants. Adapting plants to diverse external environments for the efficient

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6

Alam, Jamaluddin Fitrah, Tamiji Yamamoto, Tetsuya Umino, Shinya Nakahara, and Kiyonori Hiraoka. "Estimating Nitrogen and Phosphorus Cycles in a Timber Reef Deployment Area." Water 12, no. 9 (2020): 2515. http://dx.doi.org/10.3390/w12092515.

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In an oligotrophic bay, Mitsu Bay, Japan, artificial timber reefs (ATRs) are deployed to increase fish production. In such man-made ecosystems, the biological activities of other organisms as well as the physical structures of ATRs could influence nutrient cycling. A pelagic–benthic coupling model expressing both phosphorus and nitrogen cycling was developed to investigate seasonal variation in the associated nutrients and their annual budget in the ATR areas and the entire bay system. The model consists of equations representing all the relevant physical and biological processes. The model re

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7

Zaman, Wajid, Asma Ayaz, and Daniel Puppe. "Biogeochemical Cycles in Plant–Soil Systems: Significance for Agriculture, Interconnections, and Anthropogenic Disruptions." Biology 14, no. 4 (2025): 433. https://doi.org/10.3390/biology14040433.

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Biogeochemical cycles are fundamental to the functioning of plant–soil systems, driving the availability and transfer of essential nutrients (like carbon (C), nitrogen (N), phosphorus (P), and sulfur (S)) as well as beneficial elements (like silicon (Si)). These interconnected cycles regulate ecosystem productivity, biodiversity, and resilience, forming the basis of critical ecosystem services. This review explores the mechanisms and dynamics of biogeochemical C, N, P, S, and Si cycles, emphasizing their roles in nutrient/element cycling, plant growth, and soil health, especially in agricultur

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8

Moore, C. M. "Microbial proteins and oceanic nutrient cycles." Science 345, no. 6201 (2014): 1120–21. http://dx.doi.org/10.1126/science.1258133.

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9

Arrigo, Kevin R. "Marine microorganisms and global nutrient cycles." Nature 437, no. 7057 (2004): 349–55. http://dx.doi.org/10.1038/nature04159.

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10

Vasconcelos Fernandes, Tânia, Rabin Shrestha, Yixing Sui, et al. "Closing Domestic Nutrient Cycles Using Microalgae." Environmental Science & Technology 49, no. 20 (2015): 12450–56. http://dx.doi.org/10.1021/acs.est.5b02858.

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11

Fasham, M. J. R. "Antarctic nutrient cycles and food webs." Estuarine, Coastal and Shelf Science 25, no. 4 (1987): 483. http://dx.doi.org/10.1016/0272-7714(87)90041-2.

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12

Ford, Benjamin A., Geraldine J. Sullivan, Lisa Moore, et al. "Functional characterisation of substrate-binding proteins to address nutrient uptake in marine picocyanobacteria." Biochemical Society Transactions 49, no. 6 (2021): 2465–81. http://dx.doi.org/10.1042/bst20200244.

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Marine cyanobacteria are key primary producers, contributing significantly to the microbial food web and biogeochemical cycles by releasing and importing many essential nutrients cycled through the environment. A subgroup of these, the picocyanobacteria (Synechococcus and Prochlorococcus), have colonised almost all marine ecosystems, covering a range of distinct light and temperature conditions, and nutrient profiles. The intra-clade diversities displayed by this monophyletic branch of cyanobacteria is indicative of their success across a broad range of environments. Part of this diversity is

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13

Adame, María Fernanda, Bernardino Virdis, and Catherine E. Lovelock. "Effect of geomorphological setting and rainfall on nutrient exchange in mangroves during tidal inundation." Marine and Freshwater Research 61, no. 10 (2010): 1197. http://dx.doi.org/10.1071/mf10013.

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One of the key ecosystem services provided by mangroves is their role in mediating nutrient exchange, thereby protecting coastal ecosystems from negative impacts of nutrient enrichment. In this study, we tested whether geomorphological setting and level of rainfall affect the intensity and direction of nutrient exchange. Our hypotheses were that tidal mangroves retain more nutrients than riverine mangroves and that nutrient retention is stronger during periods of high rainfall. Concentrations of soluble reactive phosphorus (SRP), nitrogen oxides (NOx–-N) and ammonium (NH4+) were measured from

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14

Welti, Ellen A. R., Karl A. Roeder, Kirsten M. de Beurs, Anthony Joern, and Michael Kaspari. "Nutrient dilution and climate cycles underlie declines in a dominant insect herbivore." Proceedings of the National Academy of Sciences 117, no. 13 (2020): 7271–75. http://dx.doi.org/10.1073/pnas.1920012117.

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Evidence for global insect declines mounts, increasing our need to understand underlying mechanisms. We test the nutrient dilution (ND) hypothesis—the decreasing concentration of essential dietary minerals with increasing plant productivity—that particularly targets insect herbivores. Nutrient dilution can result from increased plant biomass due to climate or CO2 enrichment. Additionally, when considering long-term trends driven by climate, one must account for large-scale oscillations including El Niño Southern Oscillation (ENSO), North Atlantic Oscillation (NAO), and Pacific Decadal Oscillat

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15

Pascual, Mercedes, and Hal Caswell. "From the Cell Cycle to Population Cycles in Phytoplankton-Nutrient Interactions." Ecology 78, no. 3 (1997): 897. http://dx.doi.org/10.2307/2266068.

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16

Pascual, Mercedes, and Hal Caswell. "FROM THE CELL CYCLE TO POPULATION CYCLES IN PHYTOPLANKTON–NUTRIENT INTERACTIONS." Ecology 78, no. 3 (1997): 897–912. http://dx.doi.org/10.1890/0012-9658(1997)078[0897:ftcctp]2.0.co;2.

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17

Mukhortova, Liudmila V. "Carbon and nutrient release during decomposition of coarse woody debris in forest ecosystems of Central Siberia." Folia Forestalia, Series A - Forestry 54(2) (July 1, 2012): 71–83. https://doi.org/10.5281/zenodo.30777.

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Coarse woody debris (CWD) is often overlooked in studies on the decomposition of organic matter in forest soils. To assess the role of CWD in carbon and nutrient cycling in these forest ecosystems, we investigated changes in carbon and nutrients of differently decomposed CWD samples from the forest tundra and northern, middle, and southern taiga of Central Siberia. Samples included live wood, snags, logs at the classes I, II, and III of decomposition, and fragments of decomposed wood from forest litter. At northern latitudes CWD released a larger amount of carbon and nutrients during decomposi

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18

Trakada, Georgia. "Dietary Nutrient Intake and Sleep." Nutrients 15, no. 10 (2023): 2276. http://dx.doi.org/10.3390/nu15102276.

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19

Wilhelm, Steven W., and Curtis A. Suttle. "Viruses and Nutrient Cycles in the Sea." BioScience 49, no. 10 (1999): 781–88. http://dx.doi.org/10.2307/1313569.

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20

Arrigo, Kevin R. "Erratum: Marine microorganisms and global nutrient cycles." Nature 438, no. 7064 (2005): 122. http://dx.doi.org/10.1038/nature04265.

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21

Islam, Waqar, Arfa Tauqeer, Abdul Waheed, and Fanjiang Zeng. "MicroRNA Mediated Plant Responses to Nutrient Stress." International Journal of Molecular Sciences 23, no. 5 (2022): 2562. http://dx.doi.org/10.3390/ijms23052562.

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To complete their life cycles, plants require several minerals that are found in soil. Plant growth and development can be affected by nutrient shortages or high nutrient availability. Several adaptations and evolutionary changes have enabled plants to cope with inappropriate growth conditions and low or high nutrient levels. MicroRNAs (miRNAs) have been recognized for transcript cleavage and translational reduction, and can be used for post-transcriptional regulation. Aside from regulating plant growth and development, miRNAs play a crucial role in regulating plant’s adaptations to adverse en

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22

Slade, A. H., R. J. Ellis, M. van den Heuvel, and T. R. Stuthridge. "Nutrient minimisation in the pulp and paper industry: an overview." Water Science and Technology 50, no. 3 (2004): 111–22. http://dx.doi.org/10.2166/wst.2004.0175.

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This paper reviews nutrient issues within the pulp and paper industry summarising: nitrogen and phosphorus cycles within treatment systems; sources of nutrients within pulping and papermaking processes; minimising nutrient discharge; new approaches to nutrient minimisation; and the impact of nutrients in the environment. Pulp and paper industry wastewaters generally contain insufficient nitrogen and phosphorus to satisfy bacterial growth requirements. Nutrient limitation has been linked to operational problems such as sludge bulking and poor solids separation. Nutrients have been added in conv

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23

Larsen, T. A., M. Maurer, K. M. Udert, and J. Lienert. "Nutrient cycles and resource management: implications for the choice of wastewater treatment technology." Water Science and Technology 56, no. 5 (2007): 229–37. http://dx.doi.org/10.2166/wst.2007.576.

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We look at the most important issues of the global nitrogen and phosphorus cycle and conclude that the nutrients from human metabolism are of no importance for the global nitrogen cycle and of minor importance for the global phosphorus cycle. However, for water pollution control, N and P from the human metabolism are of extreme importance. Nitrogen is mainly an issue for coastal waters, whereas P is an issue for freshwater and coastal areas alike. It is by now generally recognised that coastal ecosystems are exceedingly important for human well-being and at the same time highly endangered. The

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24

Toberman, Hannah, Chengrong Chen, and Zhihong Xu. "Rhizosphere effects on soil nutrient dynamics and microbial activity in an Australian tropical lowland rainforest." Soil Research 49, no. 7 (2011): 652. http://dx.doi.org/10.1071/sr11202.

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Via vast exchanges of energy, water, carbon, and nutrients, tropical forests are a major driving force in the regulation of Earth’s biogeochemical, hydrological, and climatic cycles. Given the critical role of rhizosphere processes in nutrient cycling, it is likely that rhizosphere processes in tropical rainforests form a major component of the biome’s interactions with global cycles. Little is known, however, about rhizospheric processes in rainforest soils. In order to investigate the influence of rhizosphere processes upon rainforest nutrient cycling, we compared the nutrient status and mic

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25

Gartmann, Florentina, Julian Hügly, Nikita Krähenbühl, et al. "Bioponics—An Organic Closed-Loop Soilless Cultivation System: Yields and Characteristics Compared to Hydroponics and Soil Cultivation." Agronomy 13, no. 6 (2023): 1436. http://dx.doi.org/10.3390/agronomy13061436.

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Sustainable food production has become increasingly important. Soilless cultivation systems offer several advantages, such as water and nutrient use efficiency, and can be implemented where traditional agriculture is impossible. Bioponic systems use locally or regionally available nutrient sources from organic waste streams (either fluid or solid) and can thus contribute to closing nutrient cycles locally. Bioponics harnesses the metabolic processes of microorganisms which release nutrients from organic matter. This study aimed to set up a bioponic system, by using biogas digestate concentrate

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26

CAMPBELL, T. A., J. H. ELGIN JR., C. D. FOY, and J. E. McMURTREY III. "SELECTION IN ALFALFA FOR TOLERANCE TO TOXIC LEVELS OF ALUMINUM." Canadian Journal of Plant Science 68, no. 3 (1988): 743–53. http://dx.doi.org/10.4141/cjps88-087.

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The alfalfa (Medicago sativa L.) population ’B13’ was screened through four cycles of recurrent phenotypic selection for tolerance to toxic levels of Al in growth chambers; germplasm from cycles 1 through 4 was designated B13-A11, B13-A12, B13-A13, and B13-A14, respectively. Cycles 1 and 2 were screened in Tatum clay-loam subsoil (36% Al saturation for cycle 1 and 61% Al saturation for cycle 2), and cycles 3 and 4 were screened in a modified Steinberg solution (111 μmol Al, pH 4.5). Selection was based on root growth in the first two cycles and shoot growth in the latter two cycles. Selections

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27

Khongmanont, Korawee, Anutsara Yottiam, Patcha Leelakun, Pathompong Vibhatabandhu, and Sarawut Srithongouthai. "Influence of tidal phenomena on nutrient variations in water column of the Chao Phraya River estuary." E3S Web of Conferences 557 (2024): 01005. http://dx.doi.org/10.1051/e3sconf/202455701005.

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The Chao Phraya River estuary is a vital ecosystem characterized by its dynamic interactions between freshwater and saltwater, driven by tidal cycles. The research aims to elucidate how tidal cycles impact concentrations of ammonium (NH4+), nitrate (NO3-), and phosphate (PO43-), and their subsequent effect on phytoplankton biomass, indicated by chlorophyll a (Chla) concentrations. Water samples were collected over a 24-hour period during different tidal phases—high tide, low tide, ebb tide, and flood tide—from multiple depths in the estuary. The analysis revealed significant variations in nutr

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28

SUSANTO, DWI, RATNA KUSUMA, and RUDIANTO AMIRTA. "Nutrient distribution on soil and abovegroundbiomass of Macaranga gigantea five years after planting." Asian Journal of Forestry 2, no. 1 (2018): 12–19. http://dx.doi.org/10.13057/asianjfor/r020102.

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Susanto D, Kusuma R, Amirta R. 2018. Nutrient distribution on soil and biomass of Macaranga gigantea five years after planting. Asian J For 2: 12-19. The aims of this study were to evaluate growth of M. gigantea and to calculate nutrient distribution in the soil and 5 year old M. gigantea. Soil sampling was conducted in all research plots with drill ground at a depth of 0-30 cm and 30-60 cm. The tree biomass were sampled within one stand to calculate the biomass of all the trees within a particular plot. The research findings revealed that plot 5 produces the best growth performance and the pl

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Elser, James J. "Pelagic nutrient cycles: Herbivores as sources and links." Limnology and Oceanography 43, no. 6 (1998): 1401–2. http://dx.doi.org/10.4319/lo.1998.43.6.1401.

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Chin, Jason P., John P. Quinn, and John W. McGrath. "Phosphate insensitive aminophosphonate mineralisation within oceanic nutrient cycles." ISME Journal 12, no. 4 (2018): 973–80. http://dx.doi.org/10.1038/s41396-017-0031-7.

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Manzoni, S., A. Porporato, P. D'Odorico, F. Laio, and I. Rodriguez-Iturbe. "Soil nutrient cycles as a nonlinear dynamical system." Nonlinear Processes in Geophysics 11, no. 5/6 (2004): 589–98. http://dx.doi.org/10.5194/npg-11-589-2004.

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Abstract. An analytical model for the soil carbon and nitrogen cycles is studied from the dynamical system point of view. Its main nonlinearities and feedbacks are analyzed by considering the steady state solution under deterministic hydro-climatic conditions. It is shown that, changing hydro-climatic conditions, the system undergoes dynamical bifurcations, shifting from a stable focus to a stable node and back to a stable focus when going from dry, to well-watered, and then to saturated conditions, respectively. An alternative degenerate solution is also found in cases when the system can not

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Santos, Jenyffer da Silva Gomes, Alexsandro Oliveira da Silva, Claudivan Feitosa de Lacerda, Raimundo Nonato Távora Costa, Geronimo Ferreira da Silva, and Fernando Ferrari Putti. "Frequencies of application and dilution of nutrient solution in hydroponic cultivation of arugula." IRRIGA 27, no. 3 (2022): 639–52. http://dx.doi.org/10.15809/irriga.2022v27n3p639-652.

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Nutrient solution formulation such as irrigation frequency is fundamental for the success of hydroponic cultivation, since the absorption of nutrients from the nutrient solution is a selective and dynamic process, in which the relative proportion between nutrients in the solution stands out. Thus, the present experiment was conducted to evaluate the production and development of arugula in hydroponic cultivation subjected to different dilutions and frequencies of application of the nutrient solution. The experiments were carried out in a randomized blocks design, with four replicates. A split-

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33

Thum, Tea, Silvia Caldararu, Jan Engel, et al. "A new model of the coupled carbon, nitrogen, and phosphorus cycles in the terrestrial biosphere (QUINCY v1.0; revision 1996)." Geoscientific Model Development 12, no. 11 (2019): 4781–802. http://dx.doi.org/10.5194/gmd-12-4781-2019.

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Abstract. The dynamics of terrestrial ecosystems are shaped by the coupled cycles of carbon, nitrogen, and phosphorus, and these cycles are strongly dependent on the availability of water and energy. These interactions shape future terrestrial biosphere responses to global change. Here, we present a new terrestrial ecosystem model, QUINCY (QUantifying Interactions between terrestrial Nutrient CYcles and the climate system), which has been designed from scratch to allow for a seamless integration of the fully coupled carbon, nitrogen, and phosphorus cycles with each other and also with processe

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34

Thompson, SK, and JB Cotner. "P-limitation drives changes in DOM production by aquatic bacteria." Aquatic Microbial Ecology 85 (August 6, 2020): 35–46. http://dx.doi.org/10.3354/ame01940.

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Heterotrophic bacteria are key biogeochemical regulators in freshwater systems. Through both decomposition and production of organic matter, bacteria link multiple biogeochemical cycles together. While there has been a significant amount of work done on understanding the role of microbes in the aquatic carbon cycle, important linkages with other biogeochemical cycles will require more information about how organic matter transformations impact other nutrients, such as phosphorus. In this study, we conducted a culture-based laboratory experiment to examine the production of dissolved organic ma

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Cerrillo, Míriam, Laura Burgos, Joan Noguerol, Victor Riau, and August Bonmatí. "Ammonium and Phosphate Recovery in a Three Chambered Microbial Electrolysis Cell: Towards Obtaining Struvite from Livestock Manure." Processes 9, no. 11 (2021): 1916. http://dx.doi.org/10.3390/pr9111916.

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Ammonia and phosphate, which are present in large quantities in waste streams such as livestock manure, are key compounds in fertilization activities. Their recovery will help close natural cycles and take a step forward in the framework of a circular economy. In this work, a lab-scale three-chambered microbial electrolysis cell (MEC) has been operated in continuous mode for the recovery of ammonia and phosphate from digested pig slurry in order to obtain a nutrient concentrated solution as a potential source of fertilizer (struvite). The maximum average removal efficiencies for ammonium and p

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36

Peng, Ning, Yan Wang, Huifeng Wu, et al. "Phosphorus Cycling Dominates Microbial Regulation of Synergistic Carbon, Nitrogen, and Phosphorus Gene Dynamics During Robinia pseudoacacia Restoration on the Loess Plateau." Agronomy 15, no. 4 (2025): 797. https://doi.org/10.3390/agronomy15040797.

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Carbon (C), nitrogen (N), and phosphorus (P) are key soil nutrients whose synergistic interactions regulate ecosystem nutrient cycling, yet the functional gene-level coordination and driving factors of these cycles remain poorly understood. This study addresses this gap by investigating the dynamic changes in C, N, and P cycling functional genes and their microbial and environmental drivers across Robinia pseudoacacia plantations of different restoration stages (10, 20, 30, and 40 years) on the Loess Plateau. We analyzed soil physicochemical properties and conducted metagenomic sequencing, red

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RESENDE, CECÍLIA LEÃO PEREIRA, JULIANA BEZERRA MARTINS, FELIPE RIBEIRO ILARIA, CARLA MARIANE MACHADO DOS SANTOS, and FABRICIO RODRIGUES. "PHENOTYPIC AND GENETIC PARAMETERS ESTIMATED FOR FRESH CORN UNDER DIFFERENT NUTRIENT AVAILABILITY1." Revista Caatinga 34, no. 4 (2021): 752–62. http://dx.doi.org/10.1590/1983-21252021v34n402rc.

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ABSTRACT The objective of this work was to estimate and compare phenotypic and genetic parameters after three cycles of intrapopulation recurrent selection for fresh corn grown under three nutrient availability conditions. Three experiments derived from the same population (MV-003) were conducted to assess the ability of progenies to absorb nutrients, one under adequate fertilization (control; MV-006), one under low nitrogen availability (N; MV-006N), and one under low phosphorus availability (P; MV-006P). The experiments were carried out in randomized blocks, with 64 half-sib progenies and th

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Bonachela, J. A., S. D. Allison, A. C. Martiny, and S. A. Levin. "A model for variable phytoplankton stoichiometry based on cell protein regulation." Biogeosciences 10, no. 6 (2013): 4341–56. http://dx.doi.org/10.5194/bg-10-4341-2013.

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Abstract. The elemental ratios of marine phytoplankton emerge from complex interactions between the biotic and abiotic components of the ocean, and reflect the plastic response of individuals to changes in their environment. The stoichiometry of phytoplankton is, thus, dynamic and dependent on the physiological state of the cell. We present a theoretical model for the dynamics of the carbon, nitrogen and phosphorus contents of a phytoplankton population. By representing the regulatory processes controlling nutrient uptake, and focusing on the relation between nutrient content and protein synth

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Bonachela, J. A., S. D. Allison, A. C. Martiny, and S. A. Levin. "A model for variable phytoplankton stoichiometry based on cell protein regulation." Biogeosciences Discussions 10, no. 2 (2013): 3241–79. http://dx.doi.org/10.5194/bgd-10-3241-2013.

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Abstract. The elemental ratios of marine phytoplankton emerge from complex interactions between the biotic and abiotic components of the ocean, and reflect the plastic response of individuals to changes in their environment. The stoichiometry of phytoplankton is, thus, dynamic and dependent on the physiological state of the cell. We present a theoretical model for the dynamics of the carbon, nitrogen and phosphorus contents of a phytoplankton population. By representing the regulatory processes controlling nutrient uptake, and focusing on the relation between nutrient content and protein synth

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40

Elliott, Jane. "Evaluating the potential contribution of vegetation as a nutrient source in snowmelt runoff." Canadian Journal of Soil Science 93, no. 4 (2013): 435–43. http://dx.doi.org/10.4141/cjss2012-050.

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Elliott, J. 2013. Evaluating the potential contribution of vegetation as a nutrient source in snowmelt runoff. Can. J. Soil Sci. 93: 435–443. On the Canadian prairies, most nutrient transport to surface waters takes place during snowmelt. The potential for a range of 11 residue types to release nitrogen (N), phosphorus (P) and carbon (C) was assessed by snowmelt simulation. Interactions between soils and residues were measured for two contrasting residues. Samples (taken in late fall) were frozen prior to snowmelt simulations that consisted of three diurnal temperature cycles from −5°C to +9°C

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Matias, Luis. "Soil-nutrient availability under a global-change scenario in a Mediterranean mountain ecosystem." Global Cange Biology 17 (January 30, 2024): 1646–57. https://doi.org/10.1111/j.1365-2486.2010.02338.x.

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Changes in rainfall availability will alter soil-nutrient availability under a climate-change scenario. However, studies have usually analyzed the effect of either drier or wetter soil conditions, despite the fact that both possibilities will coexist in many climatic regions of the world. Furthermore, its effect may vary across the different habitats of the ecosystem. We experimentally investigated the effect of three contrasting climatic scenarios on different carbon (C), nitrogen (N), and phosphorus (P) fractions in soil and microbial compartments among three characteristic habitats in a Med

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RUSSELLE, M. P., and R. L. McGRAW. "NUTRIENT STRESS IN BIRDSFOOT TREFOIL." Canadian Journal of Plant Science 66, no. 4 (1986): 933–46. http://dx.doi.org/10.4141/cjps86-115.

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Birdsfoot trefoil (Lotus corniculatus L.) is often grown on poorly drained, low fertility, and low pH soils under marginal management. The objective of this research was to document several aspects of single nutrient stresses in birdsfoot trefoil. Plants were grown hydroponically in the glasshouse through two vegetative cycles and one reproductive growth cycle. Nutrient deficient treatments included P, K, Ca, Mg, S, B, Fe, Mn, Zn, Cu and Mo; toxicity treatments included B, Mn, Zn, Cu and Mo. Dry mass of shoots, shoot branching, and leaf area were typically lower in stressed plants than in plan

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Ejike David Ugwuanyi, Zamathula Queen Sikhakhane Nwokediegwu, Michael Ayorinde Dada, Michael Tega Majemite, and Alexander Obaigbena. "Review of emerging technologies for nutrient removal in wastewater treatment." World Journal of Advanced Research and Reviews 21, no. 2 (2024): 1737–49. http://dx.doi.org/10.30574/wjarr.2024.21.2.0520.

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Abstract (sommario):

The burgeoning global population and industrial activities have significantly increased the generation of wastewater laden with nutrients, posing severe environmental and public health concerns. Traditional wastewater treatment methods often fall short in effectively removing nutrients like nitrogen and phosphorus, leading to eutrophication of water bodies and endangering aquatic ecosystems. In response, emerging technologies for nutrient removal in wastewater treatment have gained traction in recent years, offering innovative and efficient solutions to mitigate nutrient pollution. This compre

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Ejike, David Ugwuanyi, Queen Sikhakhane Nwokediegwu Zamathula, Ayorinde Dada Michael, Majemite Tega, and Obaigbena Alexander. "Review of emerging technologies for nutrient removal in wastewater treatment." World Journal of Advanced Research and Reviews, no. 2 (February 28, 2024): 1737–49. https://doi.org/10.5281/zenodo.14041284.

Testo completo

Abstract (sommario):

The burgeoning global population and industrial activities have significantly increased the generation of wastewater laden with nutrients, posing severe environmental and public health concerns. Traditional wastewater treatment methods often fall short in effectively removing nutrients like nitrogen and phosphorus, leading to eutrophication of water bodies and endangering aquatic ecosystems. In response, emerging technologies for nutrient removal in wastewater treatment have gained traction in recent years, offering innovative and efficient solutions to mitigate nutrient pollution. This compre

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45

Reetsch, Anika, Kai Schwärzel, Christina Dornack, Shadrack Stephene, and Karl-Heinz Feger. "Optimising Nutrient Cycles to Improve Food Security in Smallholder Farming Families—A Case Study from Banana-Coffee-Based Farming in the Kagera Region, NW Tanzania." Sustainability 12, no. 21 (2020): 9105. http://dx.doi.org/10.3390/su12219105.

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Abstract (sommario):

In East Africa, soil nutrient depletion and low yields jeopardise the food security of smallholder farming families and exacerbate poverty. The main reasons for the depletion of soil nutrients are overuse due to population growth, limited land, and increasing uncertainty in agricultural production caused by climate change. This study aims to analyse and optimise nutrient flows and stocks in the homegardens of smallholder banana-coffee-based farming systems in the Kagera region in NW Tanzania. The plant nutrients nitrogen (N), phosphorus (P), and potassium (K) in plant-based biomass and organic

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46

Trong Hung, Dao, Harold Hughes, Markus Keck, and Daniela Sauer. "Rice-Residue Management Practices of Smallholder Farms in Vietnam and Their Effects on Nutrient Fluxes in the Soil-Plant System." Sustainability 11, no. 6 (2019): 1641. http://dx.doi.org/10.3390/su11061641.

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In Vietnam, approximately 39 million tons of rice (Oryza sativa) residues accrue every year. In this study, we quantified soil nutrient balances of paddy rice fields under different crop-residue management practices in northern Vietnam. On twelve farms, we calculated nutrient balances for the four prevalent rice-residue management practices, i.e., (1) direct incorporation of rice residues into the soil, (2) application of rice-residue compost, (3) burning of rice residues on the field, and (4) the use of rice residues as fodder for livestock. Soils under practices (1) to (3) showed a positive

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Zhang, Yaoquan, Zhuzhu Luo, Liangliang Li, et al. "Nitrogen Fertilization Shapes Soil Microbial Diversity and Ecosystem Multifunctionality by Modulating Soil Nutrients." Microorganisms 13, no. 3 (2025): 540. https://doi.org/10.3390/microorganisms13030540.

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Abstract (sommario):

Soil microbial communities play an important role in driving diverse ecosystem functions and ecological processes and are the main driving force for maintaining biogeochemical cycles. To investigate the effects of nitrogen fertilizer addition on soil microbial community characteristics and ecosystem multifunctionality in alfalfa fields, a field experiment was conducted in the semi-arid region of the Loess Plateau. Ecological network analysis revealed a strong cooperative relationship among bacterial community species under the N100 treatment, while a strong competitive relationship was observe

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Xiao, Yutong, Xiongde Dong, Zhijie Chen, and Shijie Han. "Effects of Nitrogen Addition and Precipitation Reduction on Microbial and Soil Nutrient Imbalances in a Temperate Forest Ecosystem." Forests 16, no. 1 (2024): 4. https://doi.org/10.3390/f16010004.

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Abstract (sommario):

Global climate change, characterized by nitrogen (N) deposition and precipitation reduction, can disrupt soil microbial stoichiometry and soil nutrient availability, subsequently affecting soil nutrient cycles. However, the effects of N deposition and precipitation reduction on microbial stoichiometry and the soil nutrient status in temperate forests remain poorly understood. This study addresses this gap through a 10-year field trial conducted in a Korean pine mixed forest in northeastern China where three treatments were applied: precipitation reduction (PREC), nitrogen addition (N50), and a

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Bouchez, Julien, Jennifer Druhan, Quentin Charbonnier, and Reina Celia Aranda. "Ecosystem routing of rock- and dust-derived nutrients." ARPHA Conference Abstracts 8 (May 28, 2025): e155264. https://doi.org/10.3897/aca.8.e155264.

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Abstract (sommario):

Terrestrial ecosystem growth and sustainability relies on access to mineral-derived nutrients such as phosphorus, calcium, magnesium, and potassium. The result is a routing of some of these elements into living biomass and litter before they are discharged to streams, leading to a significant influence of ecosystem dynamics on river chemistry.At the scale of large river catchments, this routing is observable through the difference between elemental supply to catchments through rock weathering and corresponding elemental riverine export (Charbonnier et al. 2022). This is illustrated by two non-

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Ezzat, Leïla, Jean-François Maguer, Renaud Grover, and Christine Ferrier-Pagès. "New insights into carbon acquisition and exchanges within the coral–dinoflagellate symbiosis under NH 4 + and NO 3 − supply." Proceedings of the Royal Society B: Biological Sciences 282, no. 1812 (2015): 20150610. http://dx.doi.org/10.1098/rspb.2015.0610.

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Abstract (sommario):

Anthropogenic nutrient enrichment affects the biogeochemical cycles and nutrient stoichiometry of coastal ecosystems and is often associated with coral reef decline. However, the mechanisms by which dissolved inorganic nutrients, and especially nitrogen forms (ammonium versus nitrate) can disturb the association between corals and their symbiotic algae are subject to controversial debate. Here, we investigated the coral response to varying N : P ratios, with nitrate or ammonium as a nitrogen source. We showed significant differences in the carbon acquisition by the symbionts and its allocation

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