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Journal articles on the topic 'Nitrogen potential'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Syropyatov, V. Ya, V. M. Zinchenko, and Yu A. Perekatov. "Modern Concept of Nitrogen Potential." Metal Science and Heat Treatment 46, no. 1/2 (2004): 7–12. http://dx.doi.org/10.1023/b:msat.0000029593.76417.b8.

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2

Boussiba, S. "Nitrogen fixing cyanobacteria potential uses." Plant and Soil 137, no. 1 (1991): 177–80. http://dx.doi.org/10.1007/bf02187452.

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3

Ritchey, Edwin L., Carrie A. Knott, and Lloyd W. Murdock. "Potential Nitrogen Loss from Frozen Soil Nitrogen Applications to Wheat." Crop, Forage & Turfgrass Management 1, no. 1 (2015): 1–3. http://dx.doi.org/10.2134/cftm2014.0054.

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4

Joseph, K., N. R. Nair, K. P. Rajaram, D. Alexander, and K. Anilakumar. "Nitrogen-Fixing Potential of Blue-Green Algae (BGA) From Kerala Ricefields." International Rice Research Newsletter 12, no. 6 (1987): 38. https://doi.org/10.5281/zenodo.7128195.

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This article 'Nitrogen-Fixing Potential of Blue-Green Algae (BGA) From Kerala Ricefields' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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5

Wang, Benjamin, Qiyang Hu, Bruno Felix Castillo, et al. "Plasma-fixed Nitrogen Improves Lettuce Field Holding Potential." HortTechnology 34, no. 2 (2024): 187–89. http://dx.doi.org/10.21273/horttech05369-23.

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This study shows that plasma-fixed nitrogen applied as an inorganic biostimulant can improve marketable lettuce (Lactuca sativa var. longifolia) yield following delayed harvest. Using just one-tenth of the conventional nitrogen, plasma-fixed nitrogen—which is generated by a dielectric barrier discharge over water—was field-tested against traditional fertilization methods. Although no statistically significant differences were observed in total weight of heads among treatments, plasma-fixed nitrogen–treated plants had significantly increased marketable yields of 250% compared to those grown con

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6

Simard, Régis R., and Adrien N'dayegamiye. "Nitrogen-mineralization potential of meadow soils." Canadian Journal of Soil Science 73, no. 1 (1993): 27–38. http://dx.doi.org/10.4141/cjss93-003.

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An understanding of the mineralization factors in contrasting cultivated soils is necessary for accurate predictions of plant-available N. The objective of this work was to determine the N-mineralization potential and mathematical models that can properly describe the dynamics of the mineralization process in 20 meadow soils from Quebec. The mineralization was monitored over 55.4 wk in a laboratory incubation at 20 °C with intermittent leaching. The cumulative mineralization curves in most soils were characterized by definite lags or a sigmoidal pattern and near-linear release with time after

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7

van der Avoird, A., P. E. S. Wormer, and A. P. J. Jansen. "An improved intermolecular potential for nitrogen." Journal of Chemical Physics 84, no. 3 (1986): 1629–35. http://dx.doi.org/10.1063/1.450457.

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8

Buttery, B. R., S. J. Park, and D. J. Hume. "Potential for increasing nitrogen fixation in grain legumes." Canadian Journal of Plant Science 72, no. 2 (1992): 323–49. http://dx.doi.org/10.4141/cjps92-038.

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This review considers the main factors determining the level of nitrogen fixation in the major grain-legume crops (chickpea, common bean, cowpea, faba bean, lentil, pea, peanut, pigeon pea and soybean) and discusses the possibilities and means for improving symbiotic nitrogen fixation. Methods of determining whether nitrogen is limiting growth and yield are discussed, and responses of the various crops to both the addition of nitrogen fertilizer and inoculation with effective strains of rhizobia are described. The present situation and future prospects for increasing nitrogen fixation through

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9

Wang, Deane, Michael C. Snyder, and F. Herbert Bormann. "Potential Errors in Measuring Nitrogen Content of Soils Low in Nitrogen." Soil Science Society of America Journal 57, no. 6 (1993): 1533–36. http://dx.doi.org/10.2136/sssaj1993.03615995005700060023x.

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10

Silver, W. L., A. W. Thompson, A. Reich, J. J. Ewel, and M. K. Firestone. "NITROGEN CYCLING IN TROPICAL PLANTATION FORESTS: POTENTIAL CONTROLS ON NITROGEN RETENTION." Ecological Applications 15, no. 5 (2005): 1604–14. http://dx.doi.org/10.1890/04-1322.

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11

Vourlitis, George L., Gypsi Zorba, Sarah C. Pasquini, and Robert Mustard. "Chronic Nitrogen Deposition Enhances Nitrogen Mineralization Potential of Semiarid Shrubland Soils." Soil Science Society of America Journal 71, no. 3 (2007): 836–42. http://dx.doi.org/10.2136/sssaj2006.0339.

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12

Mutaliyeva, B. Zh, U. K. Akhanov, Zh S. Turmanova, G. M. Madybekova, and M. A. Turaliyeva. "STUDY OF BIOFERTILIZER POTENTIAL OF AZOTOBACTER CHROOCOCCUM FROM DIFFERENT REGIONS OF TURKESTAN." BULLETIN of the Korkyt Ata Kyzylorda University 72, no. 1 (2025): 223–35. https://doi.org/10.52081/bkaku.2025.v72.i1.235.

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Nitrogen, phosphorus, and potassium (NPK) are essential nutrients in the soil, vital for protein synthesis and plant growth. Among these, nitrogen is the most significant but is often scarce in the soil due to leaching and volatilization. Although atmospheric nitrogen is abundant, it is unavailable to plants without conversion. Azotobacter Chroococcum, a free-living nitrogen-fixing bacterium, can assimilate atmospheric nitrogen, converting it into bioavailable forms that enhance soil fertility. This study focused on isolating Azotobacter Chroococcum from soil samples in the Turkistan region, S

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13

Andrade Figueira, Tiphane, Dora Dos Santos Costa, Ricardo César Gonçalves Pollery, Yocie Yoneshigue-Valentin, Alex Enrich-Prast, and Vinícius Peruzzi de Oliveira. "Modelling nitrogen and phosphorus recovery potential by Ulva fasciata." Brazilian Journal of Aquatic Science and Technology 27, no. 1 (2023): 47. http://dx.doi.org/10.14210/bjast.v27n1.19100.

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This study investigated the nitrogen and phosphorus uptake efficiency and recovery potential by the cosmopolitan macroalga Ulva fasciata. An equation to estimate biomass production, as well nitrogen and phosphorus recovery, by Ulva species is further proposed. Results showed that U. fasciata removed 99 % of nitrogen (NH4-NO3) and 22% of phosphate dissolved in water. Tissue nitrogen, phosphorus and chlorophyll-a increased 73, 20 and 244 %, respectively, demonstrating rapid assimilation of nutrients fueling U. fasciata’s growth (5.69 % day-1). The constructed equation correlating fresh weight an

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14

Vizzari, Marco, Sara Antognelli, Mariano Pauselli, et al. "Potential Nitrogen Load from Crop-Livestock Systems." International Journal of Agricultural and Environmental Information Systems 7, no. 3 (2016): 21–40. http://dx.doi.org/10.4018/ijaeis.2016070102.

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The EU “Water” Directive establishes a common European framework for the environmental protection of inland, coastal and marine waters. One of the major environmental concerns about water quality is certainly the N loads from agro-livestock systems. In this study, carried out in Umbria region, Italy, a novel spatial database for a multi-scale and multi-level analysis was designed and implemented integrating different agricultural and livestock farming datasets related to agro-livestock system. This database allows the calculation of different descriptive indicators about agricultural and lives

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15

Martín, A., M. Moreno, and P. Marín. "Azotobacter and Azospirillum as potential nitrogen fertilizers." Communications in Soil Science and Plant Analysis 24, no. 3-4 (1993): 255–60. http://dx.doi.org/10.1080/00103629309368796.

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16

JONES, D. GARETH. "Symbiotic nitrogen fixation — exploitation and unachieved potential." Annals of Applied Biology 118, no. 2 (1991): 249–59. http://dx.doi.org/10.1111/j.1744-7348.1991.tb05626.x.

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17

Kropff, M. J., K. G. Cassman, H. H. Van Laar, and S. Peng. "Nitrogen and yield potential of irrigated rice." Plant and Soil 155-156, no. 1 (1993): 391–94. http://dx.doi.org/10.1007/bf00025065.

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18

Chaurasia, Akhilesh Kumar, and Shree Kumar Apte. "Improved Eco-Friendly RecombinantAnabaenasp. Strain PCC7120 with Enhanced Nitrogen Biofertilizer Potential." Applied and Environmental Microbiology 77, no. 2 (2010): 395–99. http://dx.doi.org/10.1128/aem.01714-10.

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ABSTRACTPhotosynthetic, nitrogen-fixingAnabaenastrains are native to tropical paddy fields and contribute to the carbon and nitrogen economy of such soils. Genetic engineering was employed to improve the nitrogen biofertilizer potential ofAnabaenasp. strain PCC7120. Constitutive enhanced expression of an additional integrated copy of thehetRgene from a light-inducible promoter elevated HetR protein expression and enhanced functional heterocyst frequency in the recombinant strain. The recombinant strain displayed consistently higher nitrogenase activity than the wild-type strain and appeared to

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19

Sakon, John J., and Robert L. Burnap. "An analysis of potential photosynthetic life on Mars." International Journal of Astrobiology 5, no. 2 (2006): 171–80. http://dx.doi.org/10.1017/s1473550406003144.

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This project researched the possibility of photosynthetic life on Mars. Cyanobacteria were used as potential analogs and were subjected to various Martian-simulated conditions. Synechocystis sp. PCC 6803 was exposed to low pressure, ultraviolet radiation and Martian-simulated atmospheric composition, and proved resistant to the combination of these stresses. However, this organism could neither grow within Martian Regolith Simulant, owing to the lack of soluble nitrogen, nor could it grow in cold temperatures. As a result, later research focused on psychrotolerant cyanobacteria capable of util

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20

Mustafayev, Z. "Soil fertilizer as an antropogenic factor of the increase potential in biological fixation of nitrogen." Bulletin of Science and Practice 5, no. 2 (2019): 169–75. https://doi.org/10.33619/2414-2948/39/23.

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An application of mineral fertilizers is considered the main method of provision of agriculture plants with nitrogen. However, the plant need for nitrogen can’t be always wholly satisfied because of the energetic crisis and expensiveness of nitrogen fertilizers. In this regard, biological nitrogen is of great importance. Use of the biological nitrogen creates a favourable background for agriculture and allows to spend economically mineral fertilizers.

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21

Dini, Irene. "The Potential of Dietary Antioxidants." Antioxidants 10, no. 11 (2021): 1752. http://dx.doi.org/10.3390/antiox10111752.

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22

Yang, Xinyi, Kun Zhu, Xiaohong Jia, et al. "Spatial heterogeneous granulation enhance soil nitrogen supply potential via regulating dissolved organic nitrogen." Science of The Total Environment 746 (December 2020): 141235. http://dx.doi.org/10.1016/j.scitotenv.2020.141235.

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23

Cheung, C. T., та G. Simkovich. "Diffusivity of nitrogen in α-iron at high nitrogen potential at 773 k". Reactivity of Solids 3, № 1-2 (1987): 161–64. http://dx.doi.org/10.1016/0168-7336(87)80026-8.

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24

Li, Zihui, Lianke Guan, Chunting Zhang, et al. "Nitrogen assimilation genes in poplar: Potential targets for improving tree nitrogen use efficiency." Industrial Crops and Products 216 (September 2024): 118705. http://dx.doi.org/10.1016/j.indcrop.2024.118705.

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25

Posmaningsih, D. A. A., I. Wayan Jana, and I. Putu Suiraoka. "Compost production potential in ecotourism Bukit Cemeng, Bangli." International journal of health sciences 6, no. 3 (2022): 1637–45. http://dx.doi.org/10.53730/ijhs.v6n3.13624.

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Bukit Cemeng is one of the newly opened tourist attractions in Bangli Regency. Waste management is one of the concerns of Bukit Cemeng management. So far, the waste generated is only done by landfilling and burning so as not to pollute the environment. This type of research is study applied with design random group. Sampling units are waste generated in Bukit Cemeng Ecotourism. Research carried out replication as much 3 times for see stability of the manufacturing process compost from organic waste generated in Ecotourism Hill whiny. Based on results study obtained that average heavy waste gen

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26

Voss, Maren, Hermann W. Bange, Joachim W. Dippner, Jack J. Middelburg, Joseph P. Montoya, and Bess Ward. "The marine nitrogen cycle: recent discoveries, uncertainties and the potential relevance of climate change." Philosophical Transactions of the Royal Society B: Biological Sciences 368, no. 1621 (2013): 20130121. http://dx.doi.org/10.1098/rstb.2013.0121.

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The ocean's nitrogen cycle is driven by complex microbial transformations, including nitrogen fixation, assimilation, nitrification, anammox and denitrification. Dinitrogen is the most abundant form of nitrogen in sea water but only accessible by nitrogen-fixing microbes. Denitrification and nitrification are both regulated by oxygen concentrations and potentially produce nitrous oxide (N 2 O), a climate-relevant atmospheric trace gas. The world's oceans, including the coastal areas and upwelling areas, contribute about 30 per cent to the atmospheric N 2 O budget and are, therefore, a major so

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27

Bartkow, M. E., and J. W. Udy. "Quantifying potential nitrogen removal by denitrification in stream sediments at a regional scale." Marine and Freshwater Research 55, no. 3 (2004): 309. http://dx.doi.org/10.1071/mf04018.

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Potential denitrification rates were measured using the acetylene block method, in sediments collected from streams in the sub-tropical, south-east Queensland region of Australia. Our aim was to estimate how much nitrogen could be removed from lotic systems by denitrification at the regional scale. Denitrification measured at 65 sites in August and September from a catchment of 22700 km2 was extrapolated to all streams and rivers in the region based on the sediment area available for denitrification. Denitrification rates ranged between 4 and 950 μmol N m–2 h–1, with most sites having rates be

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28

Mustafayev, Z. "Soil fertilizer as an antropogenic factor of the increase potential in biological fixation of nitrogen." Bulletin of Science and Practice 5, no. 2 (2019): 169–75. http://dx.doi.org/10.33619/2414-2948/39/23.

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An application of mineral fertilizers is considered the main method of provision of agriculture plants with nitrogen. However, the plant need for nitrogen can’t be always wholly satisfied because of the energetic crisis and expensiveness of nitrogen fertilizers. In this regard, biological nitrogen is of great importance. Use of the biological nitrogen creates a favorable background for agriculture and allows to spend economically mineral fertilizers.

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29

Tsunemi, Kiyotaka, Tohru Kawamoto, and Hideyuki Matsumoto. "Estimation of the Potential Global Nitrogen Flow in a Nitrogen Recycling System with Industrial Countermeasures." Sustainability 15, no. 7 (2023): 6042. http://dx.doi.org/10.3390/su15076042.

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This study proposes a nitrogen recycling system that collects and recycles nitrogen compounds from waste gases in the industrial sector, such as those from stationary sources, from industrially processed wastewater containing livestock effluent, and from household wastewater. Multiple scenarios are set, and the potential global flows of anthropogenic nitrogen in 2050 are estimated and compared to assess the effects on the largest planetary boundary problem. In contrast to the business-as-usual (BAU) scenario, in which environmental conditions are worsened through a 47% increase in nitrogen emi

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30

Zamora Natera, Juan, Pedro García López, Carlos Aguilar Jiménez, Franklin B. Martínez Aguilar, Héctor Vázquez Solís, and Isidro Zapata Hernández. "Decomposition and nitrogen mineralisation of two wild lupins (Leguminosae) species with potential as green manures." Journal of Central European Agriculture 23, no. 2 (2022): 384–90. http://dx.doi.org/10.5513/jcea01/23.2.3439.

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31

Lamsodis, Romanas, and Saulius Vaikasas. "The potential to retain nitrogen in beaver ponds and delta floodplains of the River Nemunas." Large Rivers 15, no. 1-4 (2003): 225–41. http://dx.doi.org/10.1127/lr/15/2003/225.

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32

Mbee, Mbee, Sarah Barigbue, Dr Chukwumati John, and Dr Kamalu O.J. "Carbon and Nitrogen Sequestration Potential of Various Land Use Types in Tai Area, Rivers State." International Journal of Research Publication and Reviews 5, no. 5 (2024): 7894–905. http://dx.doi.org/10.55248/gengpi.5.0524.1320.

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33

Murtagh, GJ. "Factors affecting the growth of kikuyu. I. Potential growth and nitrogen supply." Australian Journal of Agricultural Research 39, no. 1 (1988): 31. http://dx.doi.org/10.1071/ar9880031.

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The potential growth of kikuyu (Pennisetum clandestinum) with ample supplies of water and fertilizer, and the effect of varying nitrogen supply, were estimated from field measurements of growth rate. A model, incorporating the effects of light interception, temperature and nitrogen supply, was used to account for variation in canopy development and temperature under field conditions. The model predicted a peak growth rate of 234 kg DM ha-1 day-1 by a well-fertilized kikuyu sward with a yield of 3590 kg DM ha-1 (LAI = 5.4), and grown at maximum/minimum temperatures of 32.0/23.9�C. Growth was no

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34

Nobre Cunha, Fernando, Marconi Batista Teixeira, Edson Cabral da Silva, et al. "Productive Potential of Nitrogen and Zinc Fertigated Sugarcane." Agronomy 10, no. 8 (2020): 1096. http://dx.doi.org/10.3390/agronomy10081096.

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The relevance of sugarcane (Saccharum officinarum L.) in the agribusiness is irrefutable because it not only contributes greatly to the development of countries but is also an important source of job creation and income generation. The objective of this study was to evaluate the stalk productivity (SP) and sugar and alcohol yields of plant and ratoon crops of sugarcane (variety IACSP 95-5000) under N and Zn fertigation treatments using a central pivot, in Cerrado Red Latosol soil. The experiment was conducted under field conditions, in the municipality of Jataí, Goiás (GO), Brazil. A randomize

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35

Van Kessel, J. S., J. B. Reeves, and J. J. Meisinger. "Nitrogen and Carbon Mineralization of Potential Manure Components." Journal of Environmental Quality 29, no. 5 (2000): 1669–77. http://dx.doi.org/10.2134/jeq2000.00472425002900050039x.

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36

Sheikh, Mehraj Ahamd, Munesh Kumar, and Nagendra Prasad Todaria. "Carbon sequestration potential of nitrogen-fixing tree stands." Forestry Studies 62, no. 1 (2015): 39–47. http://dx.doi.org/10.1515/fsmu-2015-0004.

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Abstract We compared the C storage of two nitrogen-fixing trees in mixed and monospecific plantations to investigate the C sequestration potential after 10 years of their establishment. The study was carried out in three types of plantation, Dalbergia sissoo Roxb. ex DC. pure (P1DS), Leucaena leucocephala (Lam.) de Wit pure (P2LL) and mixed plantation of D. sissoo and L. leucocephala (P3DS.LL). The results of the study indicated that, P3DS.LL sequestered 34.30 ± 0.24 t yr-1 ha-1 CO2 compared to 27.35 ± 0.19 t yr-1 ha-1 in P1DS and 19.81 ± 0.44 t yr-1 ha-1 in P2LL. Total carbon storage was also

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37

Malhi, S. S., M. Nyborg, and D. J. Heaney. "Potential for nitrogen mineralization in central Alberta soils." Fertilizer Research 32, no. 3 (1992): 321–25. http://dx.doi.org/10.1007/bf01050369.

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38

Zhang, Mingchu, R. E. Karamanos, L. M. Kryzanowski, K. R. Cannon, and T. W. Goddard. "A SINGLE MEASUREMENT TO PREDICT POTENTIAL MINERALIZABLE NITROGEN." Communications in Soil Science and Plant Analysis 33, no. 15-18 (2002): 3517–30. http://dx.doi.org/10.1081/css-120014545.

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39

You, Y., та M. F. Yan. "Many-body potential for nitrogen in α-iron". Philosophical Magazine Letters 92, № 12 (2012): 656–67. http://dx.doi.org/10.1080/09500839.2012.714083.

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40

Shadman, Muhammad, Saeed Yeganegi, and Farhood Ziaie. "Ab initio interaction potential of methane and nitrogen." Chemical Physics Letters 467, no. 4-6 (2009): 237–42. http://dx.doi.org/10.1016/j.cplett.2008.11.045.

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41

Raun, William R., John B. Solie, and Marvin L. Stone. "Independence of yield potential and crop nitrogen response." Precision Agriculture 12, no. 4 (2010): 508–18. http://dx.doi.org/10.1007/s11119-010-9196-z.

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42

Keyser, Harold H., and Fudi Li. "Potential for increasing biological nitrogen fixation in soybean." Plant and Soil 141, no. 1-2 (1992): 119–35. http://dx.doi.org/10.1007/bf00011313.

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43

Lestari, Primastya Ayu, Nuni Gofar, and Dedik Budianta. "The Potential of Swampland Microalgae as Nitrogen Provider." JOURNAL OF TROPICAL SOILS 23, no. 3 (2019): 125–31. https://doi.org/10.5400/jts.2018.v23i3.125-131.

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This study aimed to identify and explore the potential of microalgae from swampland of South Sumatra as nitrogen contributor for rice plants grown on swampland. Determination of sampling points was done by looking at the presence and abundance of microalgae in the sampling locations. The method used in the sampling is purposive sampling method. The samples were grouped into 3, i.e. culture 1 (B1) derived from rice cultivation area, culture 2 (B2) derived from land that was not cultivated with rice, and culture 3 (B3) derived from swamp water samples. The medium used to culture the microlagae w

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44

Maeda, Isamu. "Potential of Phototrophic Purple Nonsulfur Bacteria to Fix Nitrogen in Rice Fields." Microorganisms 10, no. 1 (2021): 28. http://dx.doi.org/10.3390/microorganisms10010028.

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Biological nitrogen fixation catalyzed by Mo-nitrogenase of symbiotic diazotrophs has attracted interest because its potential to supply plant-available nitrogen offers an alternative way of using chemical fertilizers for sustainable agriculture. Phototrophic purple nonsulfur bacteria (PNSB) diazotrophically grow under light anaerobic conditions and can be isolated from photic and microaerobic zones of rice fields. Therefore, PNSB as asymbiotic diazotrophs contribute to nitrogen fixation in rice fields. An attempt to measure nitrogen in the oxidized surface layer of paddy soil estimates that a

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45

Sembiring, M., S. Anwar, and T. Sabrina. "Potential test of non-symbiotic nitrogen-fixing bacteria in increasing nitrogen in Andisol soil." IOP Conference Series: Earth and Environmental Science 782, no. 4 (2021): 042069. http://dx.doi.org/10.1088/1755-1315/782/4/042069.

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46

Quiroga-Garza, Héctor Mario, Geno A. Picchioni, and Marta D. Remmenga. "Bermudagrass Fertilized with Slow-Release Nitrogen Sources. I. Nitrogen Uptake and Potential Leaching Losses." Journal of Environmental Quality 30, no. 2 (2001): 440–48. http://dx.doi.org/10.2134/jeq2001.302440x.

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47

Preza‐Fontes, Giovani, Emerson D. Nafziger, Laura E. Christianson, and Cameron M. Pittelkow. "Relationship of in‐season soil nitrogen concentration with corn yield and potential nitrogen losses." Soil Science Society of America Journal 84, no. 4 (2020): 1296–306. http://dx.doi.org/10.1002/saj2.20117.

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48

Abd-Alla, Mohamed Hemida, Salem M. Al-Amri, and Abdel-Wahab Elsadek El-Enany. "Enhancing Rhizobium–Legume Symbiosis and Reducing Nitrogen Fertilizer Use Are Potential Options for Mitigating Climate Change." Agriculture 13, no. 11 (2023): 2092. http://dx.doi.org/10.3390/agriculture13112092.

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This review article explores the impact of nitrogen fertilizers on the symbiotic relationship between Rhizobium bacteria and legume plants. Nitrogen fixation has the potential to address the global protein shortage by increasing nitrogen supply in agriculture. However, the excessive use of synthetic fertilizers has led to environmental consequences and high energy consumption. To promote sustainable agriculture, alternative approaches such as biofertilizers that utilize biological nitrogen fixation have been introduced to minimize ecological impact. Understanding the process of biological nitr

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49

AD, Omur. "Antioxidant Potential of Ferulic Acid on the Freezability of Bull Semen." Open Access Journal of Veterinary Science & Research 4, no. 3 (2019): 1–4. http://dx.doi.org/10.23880/oajvsr-16000187.

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Ejaculates were collected twice a week from the bulls, via an artificial vagina, during two weeks. The suitable ejaculates obtained for sperm density (≥ 1.4 × 10 9 spermatoz oa / ml) and for motility (≥ 75%) were used for dilution and freezing of semen. A Tris - based extender (Tris 297.58mM, citric acid 96.32mM, fructose 82.66mM, egg yolk 15% (v/v), glycerol 5% (v/v), gentamicin 0.1 ml / 100ml, pH 6.8 - 7.0) was used as the base extender (cryopreservation diluent). Pooled ejaculate was split into 2 equal aliquots and diluted at 32 °C with base extender containing ferulic acid (100 μM) and no

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50

Eviana, Maulani, Alis Mukhlis, and Fariq Azhar. "Growth of Sea Grapes (Caulerpa lentillifera) in Laboratory-Scale Cultivation With Urea As A Single Nitrogen Nutrient." Journal of Fish Health 4, no. 4 (2024): 235–46. https://doi.org/10.29303/jfh.v4i4.5956.

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Sea grape (Caulerpa lentillifera) is a strategic green macroalgae with significant potential in aquaculture and functional food industries. However, its cultivation remains constrained by limited production techniques. This study investigated the influence of nitrogen concentration on C. lentillifera growth in a laboratory-scale cultivation system. A completely randomized experimental design was implemented with four treatments: a control group (0 ppm) and nitrogen supplementation levels of 5, 10, and 15 ppm, each replicated thrice over 21 days. Results demonstrated a significant positive corr

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