Showing 15,941 - 15,960 results of 16,553 for search '"phosphorus"', query time: 0.17s Refine Results
  1. 15941
  2. 15942

    Phosphorous Supply to a Eutrophic Artificial Lake: Sedimentary versus Groundwater Sources by Wiebe Förster, Jan C. Scholten, Michael Schubert, Kay Knoeller, Nikolaus Classen, Michael Lechelt, Jan-Helge Richard, Udo Rohweder, Isabell Zunker, Susanne C. Wanner

    Published 2021-02-01
    “…Diffusive phosphorous fluxes from pore water were calculated based on phosphorus gradients. Stable water isotopes (δ<sup>2</sup>H, δ<sup>18</sup>O) were measured in the lake water, in interstitial waters in the banks surrounding the lake, in the Elbe River, and in three groundwater wells close to the lake. …”
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  3. 15943
  4. 15944
  5. 15945

    Pigments, elemental composition (C, N, P, and Si), and stoichiometry of particulate matter in the naturally iron fertilized region of Kerguelen in the Southern Ocean by M. Lasbleiz, K. Leblanc, S. Blain, J. Ras, V. Cornet-Barthaux, S. Hélias Nunige, B. Quéguiner

    Published 2014-10-01
    “…Integrated concentrations over 200 m ranged from 72.2 to 317.7 mg m<sup>−2</sup> for chlorophyll <i>a</i> 314 to 744 mmol m<sup>−2</sup> for biogenic silica (BSi), 1106 to 2268 mmol m<sup>−2</sup> for particulate organic carbon, 215 to 436 mmol m<sup>−2</sup> for particulate organic nitrogen, and 29.3 to 39.0 mmol m<sup>−2</sup> for particulate organic phosphorus. Three distinct high biomass areas were identified: the coastal waters of Kerguelen Islands, the easternmost part of the study area in the polar front zone, and the southeastern Kerguelen Plateau. …”
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  6. 15946

    Research of acute influence of new fertlizer «Rost-concentrate» on the hydrobionts Сyprinus carpio L. and Daphnia magna Straus by N. Tson, A. Kovalchuk, N. Tushnytska, O. Dumych, B. Syaryy, R. Pirus

    Published 2016-12-01
    “…ROST-concentrate (10+7+7)" contains macronutrients (nitrogen, phosphorus, potassium), which are valuable for the pond ecosystem, and trace elements in environmentally safe chelate form. …”
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  7. 15947

    A Novel Alkaline Phosphatase/Phosphodiesterase, CamPhoD, from Marine Bacterium <i>Cobetia amphilecti</i> KMM 296 by Yulia Noskova, Galina Likhatskaya, Natalia Terentieva, Oksana Son, Liudmila Tekutyeva, Larissa Balabanova

    Published 2019-11-01
    “…The enzyme catalyzes the cleavage of phosphate mono- and diester bonds in nucleotides, releasing inorganic phosphorus from p-nitrophenyl phosphate (pNPP) and guanosine 5&#8242;-triphosphate (GTP), as determined by the Chen method, with rate approximately 150- and 250-fold higher than those of bis-pNPP and 5&#8242;-pNP-TMP, respectively. …”
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  8. 15948

    Response of soil nutrients and erodibility to slope aspect in the northern agro-pastoral ecotone, China by Y. Wu, Y. Wu, G. Jia, G. Jia, X. Yu, X. Yu, H. Rao, X. Peng, Y. Wang, Y. Wang, Y. Wang, Y. Wang, X. Wang, X. Wang

    Published 2024-01-01
    “…Mean weight diameter and total phosphorus were the main factors that affected the CSQI for different slope aspects. …”
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  9. 15949
  10. 15950

    Comparative Analysis of the Combined Effects of Different Water and Phosphate Levels on Growth and Biological Nitrogen Fixation of Nine Cowpea Varieties by Martin Jemo, Martin Jemo, Saad Sulieman, Faouzi Bekkaoui, Oluwatosin A. K. Olomide, Abeer Hashem, Abeer Hashem, Elsayed Fathi Abd_Allah, Abdulaziz A. Alqarawi, Lam-Son Phan Tran, Lam-Son Phan Tran

    Published 2017-12-01
    “…Significant and severe water deficit-damaging effects on BNF, nodulation, growth, levels of plant-nitrogen (N) and -phosphorus (P), as well as shoot relative water content and chlorophyll content of cowpea plants were observed. …”
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  11. 15951

    The effect of salicylic acid on germination of tow genotypes of quinoa (Chenopodium quinoa Willd.) under drought stress by Shokofeh Gholami, Tayebe Rostami, Khadigeh Ahmadi, Majid Amini Dehaghi, Mahmoud Bagheri

    Published 2021-03-01
    “…Food quinoa importance due to the perfect combination of amino acids, calcium, phosphorus, iron and sodium low. Materials and methodsThus in order to investigate the effect of Salicylic acid pre-treatment on germination indices of quinoa plant under drought stress, a factorial experiment was conducted in a completely randomized design with three replications in Seed Technology Laboratory, Faculty of Agricultural Sciences, Shahed University in 1397.The experimental factors Includes salicylic acid at four levels (0, 50, 100 and 150 mM) and drought stress caused by polyethylene glycol at four levels (0, -4-, 8-, -12 bar) and the quinoa plant varieties (cultivars and varieties Giza1 Titicaca). …”
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  12. 15952

    Two different strategies of Diversispora spurca-inoculated walnut seedlings to improve leaf P acquisition at low and moderate P levels by Ying-Ning Zou, Yong-Jie Xu, Rui-Cheng Liu, Guang-Ming Huang, Kamil Kuča, Anoop Kumar Srivastava, Abeer Hashem, Elsayed Fathi Abd_Allah, Qiang-Sheng Wu, Qiang-Sheng Wu

    Published 2023-02-01
    “…Walnut (Juglans regia) is an important nut tree species in the world, whereas walnut trees often face inadequate phosphorus (P) levels of soil, negatively limiting its growth and yield. …”
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  13. 15953

    IoT-Enabled Soil Nutrient Analysis and Crop Recommendation Model for Precision Agriculture by Murali Krishna Senapaty, Abhishek Ray, Neelamadhab Padhy

    Published 2023-03-01
    “…The studies have revealed that the Agrinex NPK soil testing tablets should be applied to a soil sample, and then the soil colour can be sensed using an LDR colour sensor to predict the phosphorus (P), nitrogen (N), and potassium (K) values. …”
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  14. 15954

    Transcriptomics Combined with Photosynthetic Physiology and Leaf Structure Analysis Revealed Increased Sugarcane Yield by Fenlong-Ridging by Shuifang Zhu, Jiming Xiao, Shijian Han, Xinzhu Li, Zhigang Li, Benhui Wei, Demei Zhang, Rui Wang, Ruiling Li, Lipei Yang, Suli Li

    Published 2023-04-01
    “…Soil bulk density significantly increased, and soil porosity, water storage, and content of available nitrogen and phosphorus under FL were significantly higher than those under CK. …”
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  15. 15955

    Efficacy and Safety of Etelcalcetide in Hemodialysis Patients with Moderate to Severe Secondary Hyperparathyroidism by Paola Monciino, Lorenza Magagnoli, Eliana Fasulo, Michela Frittoli, Chiara Leotta, Hoang Nhat Pham, Andrea Stucchi, Paola Ciceri, Andrea Galassi, Mario Cozzolino

    Published 2022-09-01
    “…In contrast, a greater decline of calcium (<i>p</i> = 0.028) and phosphorus was reached in group B than group A. Dialysis vintage ≥ 36 months, arteriovenous fistula (AVF)-based hemodialysis, post-diluition hemodiafiltration (HDF) method, and baseline values of PTH < 1300 pg/mL can positively influence the achievement of the endpoints. …”
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  16. 15956

    Litterfall and Element Return in an <i>Abies faxoniana</i> Forest in Tibet—A Five-Year Study by Weiting Wu, Yabei Zhang, Lifeng Wang, Yu Zhou, Yamei Chen, Shuqin He, Jian Zhang, Yang Liu

    Published 2021-11-01
    “…To determine the litter input and nutrient return of <i>A. faxoniana</i>, we measured the litterfall and element (carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sodium (Na), magnesium (Mg), aluminium (Al), iron (Fe), and manganese (Mn)) contents of different litter components (branches, leaves and epiphytes) from 2016 to 2020. …”
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  17. 15957

    Individual body mass and length dataset for over 12,000 fish from Iberian streams by Ignasi Arranz, Sandra Brucet, Mireia Bartrons, Carmen García-Comas, Carles Alcaraz, Mònica Bardina, Patricia Navarro Barquero, Frederic Casals, Nuno Caiola, María Concepción Duran, Emili García-Berthou, Alberto Maceda-Veiga, Antoni Munné, María José Rodríguez-Pérez, Carolina Solà, Adolfo de Sostoa, Lluís Benejam

    Published 2022-06-01
    “…The fish dataset has information on the local instream conditions including climatic variables (i.e., temperature and precipitation), topography (i.e., altitude), nutrient concentration (i.e., total phosphorus and nitrates), and the IMPRESS values (a measure of cumulative human impacts in lotic ecosystems). …”
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  18. 15958

    Nanoparticulate Fertilizers Increase Nutrient Absorption Efficiency and Agro-Physiological Properties of Lettuce Plant by Sara G. Abdel-Hakim, Ahmed S. A. Shehata, Saad A. Moghannem, Mai Qadri, Mona F. Abd El-Ghany, Emad A. Abdeldaym, Omaima S. Darwish

    Published 2023-02-01
    “…The current study focused on the efficiency of applying small amounts of NFs incorporated with conventional nitrogen, phosphorus, and potassium (NPK) fertilizers to reduce the quantities of conventional fertilizers (CFs) in lettuce cultivated in sandy soil. …”
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  19. 15959

    Vine Pruning-Derived Biochar for Agronomic Benefits by Diana Egri, Oana Cristina Pârvulescu, Violeta Alexandra Ion, Cristian Eugen Răducanu, Suzana Ioana Calcan, Liliana Bădulescu, Roxana Madjar, Cristina Orbeci, Tănase Dobre, Andrei Moț, Lavinia Mihaela Iliescu, Mihaela Emanuela Crăciun

    Published 2022-11-01
    “…BC significantly increased (up to eight times) electrical conductivity, <i>pH</i>, soluble phosphorus, potassium, and ammonium nitrogen concentrations of soil S3, and decreased its bulk density by 51%, resulting in improved water/nutrient uptake and plant growth performance. …”
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  20. 15960

    Hydrochemistry, ostracods and diatoms in a deep, tropical, crater lake in Western Mexico by Margarita Caballero, Alejandro Rodriguez, Gloria Vilaclara, Beatriz Ortega, Priyadarsi Roy, Socorro Lozano-García

    Published 2013-10-01
    “…This is a mesotrophic lake with relatively high soluble reactive phosphorus and silica levels. Nitrogen reaches its highest values during winter mixing (January), but becomes the limiting nutrient during stratification. …”
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