Showing 521 - 540 results of 3,087 for search '"nitrogen"', query time: 0.06s Refine Results
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    Studying the effect of tillage depth combined with organic amendments and different nitrogen fertilization on improving calcareous soil properties and wheat productivity by Adel S. El-Hassanin, Magdy R. Samak, Mohamed E. El-Fayuomy, Azza R. Ahmed, Nesreen S. Asem

    Published 2025-01-01
    “…The sub-main factor was three types of mineral nitrogen (N) fertilization, control (C1) without N application, ammonium nitrate (F1) and urea formaldehyde (F2), while the sub-sub main factor was the types of soil amendments: no amendment (cont.), sugar beet waste (W), K-Humate (KH), Sulphur (S) and compost (Comp). …”
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  3. 523

    On the Pore Size Distributions and Fractal Dimensions of Activated Carbons Evaluated on the Basis of the Analysis of Nitrogen, Argon and Benzene Vapour Adsorption Data by B.J. Trznadel, A. Światkowski

    Published 1999-04-01
    “…A comparison of the PSD functions on the basis of nitrogen, argon and benzene adsorption isotherms has been undertaken. …”
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    Effect of Rearing Density of ”Dumbo” Catfish (Clarias sp.) Fry on Production in the Controlled Nitrogen Culture System by Adding Wheat Powder by D. Shafruddin, . Yuniarti, Mia Setiawati

    Published 2007-07-01
    “…This can support metabolic process of nitrogen by microbe and then produce protein in terms of bacteria biomass production, so that inorganic nitrogen in the water decreases.  …”
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    Cu<sup>0</sup>-Functionalized, ZIF-8-Derived, Nitrogen-Doped Carbon Composites for Efficient Iodine Elimination in Solution by Jiuyu Chen, Chensheng Gao, Jingwen Chen, Fei Liu, Zhiwen Liu

    Published 2025-01-01
    “…Herein, Cu<sup>0</sup>-nanoparticles-functionalized, ZIF-8 (Zeolite Imidazole Framework-8)-derived, nitrogen-doped carbon composites (Cu@Zn-NC) were synthesized by ball milling and pyrolysis processes. …”
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    Effects of Land Use Change and Seasonality of Precipitation on Soil Nitrogen in a Dry Tropical Forest Area in the Western Llanos of Venezuela by Ana Francisca González-Pedraza, Nelda Dezzeo

    Published 2014-01-01
    “…This could be associated with a reduced capacity of these soils to preserve the available nitrogen.…”
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    Nitrogen, Phosphorus, and Potassium Requirements to Improve <i>Portulaca oleracea</i> L. Growth, Nutrient and Water Use Efficiency in Hydroponics by Antonios Chrysargyris, Nikolaos Tzortzakis

    Published 2025-01-01
    “…The current study examined the effect of different nitrogen (N) concentrations (100–200 mg L<sup>−1</sup>; as N100, N200) in combination with different levels (decreased 0.66-fold: dec, recommended 1-fold: rec, or increased 1.5-fold: inc) of phosphorus (P; 47–70–105 mg L<sup>−1</sup>) and potassium (K; 250–350–525 mg L<sup>−1</sup>) in the nutrient solution (NS) used in hydroponic nutrient film technique (NFT) cultivation. …”
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  18. 538

    Does Blood Urea Nitrogen Level Predict Severity and High-Risk Endoscopic Lesions in Patients with Nonvariceal Upper Gastrointestinal Bleeding? by Khalid Al-Naamani, Nabil Alzadjali, Alan N Barkun, Carlo A Fallone

    Published 2008-01-01
    “…There are little or no data correlating sole blood urea nitrogen (BUN) level with the severity of nonvariceal UGIB or the presence of HRLs in the adult population.…”
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  19. 539

    Changes in N, K, and Fatty Acid Composition of Black Cumin Seeds Affected by Nitrogen Doses under Supplemental Potassium Application by Zehra Aytac, Nurdilek Gulmezoglu, Tugce Saglam, Engin Gokhan Kulan, Ugur Selengil, Halit Levent Hosgun

    Published 2017-01-01
    “…This study was carried out to determine the efficiency of nitrogen (N) doses (0, 30, 60, and 90 kg N ha−1) under supplemental potassium (K) application (50 kg K2O ha−1) on black cumin in 2011 and 2012. …”
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