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Artykuły w czasopismach na temat „Nutrient salts”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Mendoza, Esther, Albert Magrí, Gaëtan Blandin, et al. "Second-Generation Magnesium Phosphates as Water Extractant Agents in Forward Osmosis and Subsequent Use in Hydroponics." Membranes 13, no. 2 (2023): 226. http://dx.doi.org/10.3390/membranes13020226.

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The recovery of nutrients from wastewater streams for their later use in agricultural fertilization is an interesting approach. Wastewater recovered magnesium phosphate (MgP) salts were used in a forward osmosis (FO) system as draw solution in order to extract water and to produce a nutrient solution to be used in a hydroponic system with lettuces (Lactuca sativa, L.). Owing to the low solubility of the MgP salts (i.e., struvite, hazenite and cattiite) in water, acid dissolution was successfully tested using citric and nitric acids to reach pH 3.0. The dilution by FO of the dissolved salts rea

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Parent, L. E., E. S. Cissé, N. Tremblay, and G. Bélair. "Row-centred log ratios as nutrient indexes for saturated extracts of organic soils." Canadian Journal of Soil Science 77, no. 4 (1997): 571–78. http://dx.doi.org/10.4141/s96-073.

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Composition of soil solution was investigated in the top layer of a Typic Mesisol across seven crop sequences. Each sequence started and ended with carrots (C) and included onions (O), barley (B) and weeded fallow (F) as follows: CCCC, CCBC, CBCC, CCOC, COBC, CBOC and CFFC. The soil showed adequate pH and electrical conductivity values. Soil solution composition was assessed by the saturated soil extraction procedure. The changing levels of nutrients in the saturated soil extracts over seasons, years and crop sequences were analyzed using absolute values of nutrient concentrations, nutrient pe

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Elad, Yigal, Dor Barnea, Dalia Rav-David, and Uri Yermiyahu. "Nutrient Status of Cucumber Plants Affects Powdery Mildew (Podosphaera xanthii)." Plants 10, no. 10 (2021): 2216. http://dx.doi.org/10.3390/plants10102216.

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We examined the effects of applications of N, P, K, Mg, and Ca through an irrigation solution and spraying K, Ca, and Mg salts on cucumber powdery mildew (CPM, Podosphaera xanthii) in potted plants and under commercial-like conditions. Spraying CaCl2 and MgCl2, or KCl and K2SO4, decreased CPM. There were significant negative correlations between the anion-related molar concentrations of the salts and disease severity. Among the sprayed treatments, NaCl provided significantly less CPM control when applied at a low (0.05 M) concentration, as compared with CaCl2 and MgCl2. When sprayed applicatio

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Kirkwood, D. S. "Stability of solutions of nutrient salts during storage." Marine Chemistry 38, no. 3-4 (1992): 151–64. http://dx.doi.org/10.1016/0304-4203(92)90032-6.

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SINGH, SANDEEP. "Nutrient management in salt affected soils for sustainable crop production." ANNALS OF PLANT AND SOIL RESEARCH 24, no. 2 (2022): 182–93. http://dx.doi.org/10.47815/apsr.2022.10147.

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ABSTRACT Soil salinity and sodicity are the global problems and pose a serious threat to agriculture sustainability. The distribution of salt affected soils exist mostly under arid and semi-arid climates where rainfall is inadequate to leach salts from/out of the root zone. These soils have poor fertility, generally with low availability of nitrogen, calcium, zinc, iron and manganese. Therefore, judicious nutrients management on the principle of INM in these soils is as important as their reclamation. In these soils, crops respond differently to applied nutrients due to their diverse chemical

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6

Cole, David L., Savannah J. Kobza, Savannah R. Fahning, et al. "Soybean Nutrition in a Novel Single-Nutrient Source Hydroponic Solution." Agronomy 11, no. 3 (2021): 523. http://dx.doi.org/10.3390/agronomy11030523.

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Hydroponic systems are efficient for studying plant nutrition. It is often desirable to adjust individual nutrients for unique species’ needs and/or to create multiple nutrient deficiencies within the same study. However, this is challenging to do with traditional solutions as nutrients are generally added as dual nutrient salts, such as when varying phosphorus (P) concentration also affects nitrogen concentration; potentially, the chemical form of the nutrient taken up when ammonium phosphate is the source for P. This can create unintended consequences with nutrients other than those intended

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Bista, Anjana. "Effects of Nitrogenous Fertilizers on Seed Germination of Orobanche solmsii C.D. Clarke." Ecoprint: An International Journal of Ecology 21 (July 10, 2015): 73–78. http://dx.doi.org/10.3126/eco.v21i0.11907.

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Seven nutrient chemicals were tested in vitro during pre- and post- conditioning period in order to know their effects on O. solmsii seed germination. All the concentrations (4, 8 and 16 mM) of nutrient applied during pre-conditioning period inhibited germination, whereas the effects of chemicals applied during post-conditioning period was either inhibitory or ineffective depending upon the nutrients. Ammonium nitrate and ammonium chloride was effective in reducing seed germination by 43% and 41%, respectively, and were more than any other ammonium salts. This study showed that all forms of ni

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Dlaigen, Yousef I., A. E. Said, and M. A. El-Hamady. "Development of a Nutrient Medium for the Growth of Date Palm (Phoenix dactylifera L.) Roots by tTissue Culture." HortScience 30, no. 4 (1995): 756E—757. http://dx.doi.org/10.21273/hortsci.30.4.756e.

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Several experiments were conducted in this investigation with the objective of determining the chemical components and the physical state of an optimal medium for the growth and elongation of excised date palm, cv Sukkari, roots. The chemical tests carried out included: Comparison of (MS)-salts with “White's”-salts mixture and different concentrations of (MS)-salts and its chelated iron; sugars; Modified White's Organics; inositol; adenine sulfate; growth regulators; and some antioxidants. The physical tests, on the other hand, included comparison of the growth and elongation of cultured roots

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9

Dlaigen, Yousef I., A. E. Said, and M. A. El-Hamady. "Development of a Nutrient Medium for the Growth of Date Palm (Phoenix dactylifera L.) Roots by tTissue Culture." HortScience 30, no. 4 (1995): 756E—757. http://dx.doi.org/10.21273/hortsci.30.4.756.

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Several experiments were conducted in this investigation with the objective of determining the chemical components and the physical state of an optimal medium for the growth and elongation of excised date palm, cv Sukkari, roots. The chemical tests carried out included: Comparison of (MS)-salts with “White's”-salts mixture and different concentrations of (MS)-salts and its chelated iron; sugars; Modified White's Organics; inositol; adenine sulfate; growth regulators; and some antioxidants. The physical tests, on the other hand, included comparison of the growth and elongation of cultured roots

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10

Gao, Z. M., X. B. Zheng, J. Y. Lu, and W. H. Ko. "Effect of culture media on antheridial configuration in Phytophthora boehmeriae." Canadian Journal of Botany 76, no. 12 (1998): 2177–79. http://dx.doi.org/10.1139/b99-009.

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The position of the antheridium on the oogonium of Phytophthora boehmeriae was greatly affected by culture media. Agar medium containing lecithin and basal salts and corn grain agar favored the production of paragynous antheridia, while corn meal agar, lima bean agar, vegetable juice agar, and tomato agar were conducive to formation of amphigynous antheridia. The effect of culture media on antheridial configuration was found to be due to nutrient concentration. A high concentration of nutrients in the media was favored the formation of amphigynous antheridia, and a low concentration of nutrien

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11

Park, Myung-Hwan, Chae-Hong Park, Yeon Bo Sim, and Soon-Jin Hwang. "Response of Scenedesmus quadricauda (Chlorophyceae) to Salt Stress Considering Nutrient Enrichment and Intracellular Proline Accumulation." International Journal of Environmental Research and Public Health 17, no. 10 (2020): 3624. http://dx.doi.org/10.3390/ijerph17103624.

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Aquatic organisms are exposed to a wide range of salinity, which could critically affect their survival and growth. However, their survival and growth response to salinity stress remain unclear. This study evaluates the growth response and intracellular proline accumulation of green algae, Scenedesmus quadricauda, isolated from brackish water, against dissolved salts stress with N and P enrichment. We tested a hypothesis that nutrient enrichment can relieve the dissolved salts stress of algae by accumulating intracellular proline, thereby improving survival and growth. Four levels of salinity

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12

Zeitzschel, B. "The dynamics of organic production in the Rockall Channel area." Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 88 (1986): 207–20. http://dx.doi.org/10.1017/s0269727000004565.

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SynopsisFor the onset of the phytoplankton spring bloom in temperate waters, the irradiance, the concentration of accumulated nutrients and the stability of the water column are of great importance. The “new” production in spring is produced mainly by chain forming diatoms.The dissipation of the spring bloom is due to nutrient depletion in the stabilised surface layer, loss of cells by sinking and grazing by herbivorous zooplankton. After the nutrient concentration is lowered, the rate of production will depend primarily on the rate of replenishment of nutrients. In open ocean environments we

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13

Matsukawa, Yasuo, Yoshinori Sato, and Katsuyuki Sasaki. "Benthic flux of nutrient salts on an intertidal flat." NIPPON SUISAN GAKKAISHI 53, no. 6 (1987): 985–89. http://dx.doi.org/10.2331/suisan.53.985.

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McClellan, Ty A., Roch E. Gaussoin, Robert C. Shearman, et al. "Nutrient and Chemical Properties of Aging Golf Course Putting Greens as Impacted by Soil Depth and Mat Development." HortScience 44, no. 2 (2009): 452–58. http://dx.doi.org/10.21273/hortsci.44.2.452.

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Nutrient and chemical changes in turfgrass sand-based root zones are not well understood. This study was conducted to characterize nutrient and chemical properties in putting greens influenced by root zone mixture and establishment treatment, putting green age, and soil depth. Putting greens were constructed and established with Agrostis stolonifera L. in sequential years from 1997 to 2000. Treatments included root zone mixtures of 80:20 (v:v) sand and sphagnum peat and 80:15:5 (v:v:v) sand, sphagnum peat, and soil, and accelerated versus controlled establishment. In the establishment year, th

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15

Krennhuber, Klaus, Heike Kahr, and Alexander Jäger. "Suitability of Beer As An Alternative to Classical Fitness Drinks." Current Research in Nutrition and Food Science Journal 4, Special-Issue-October (2016): 26–31. http://dx.doi.org/10.12944/crnfsj.4.special-issue-october.04.

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During longer physical strains, our body loses water and salts through sweating. This deprivation leads to states of exhaustion and convulsions. A fitness drink should replenish both, water and mineral nutrients (mainly sodium). Different beers, alcoholic, alcohol-free and yeast-clouded, alcohol-free beer were analyzed by HPLC and Ion chromatography to determine the content of mineral salts and carbohydrates. Osmolality as a degree of tonicity was calculated based on the dissolved components. Data was compared to fitness drinks declared as mineral nutrient containing and isotonic. Subsequently

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Malinina, Tat'yana, Vitaliy Novikov, and M. S. Molokanova. "HYDROPONICS AS AN ALTERNATIVE TO GROWING PLANTING MATERIAL." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (2020): 91–94. http://dx.doi.org/10.34220/2308-8877-2020-8-1-91-94.

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Hydroponics is a modern way of growing plants in special solutions. Using this method, plants dispense with soil, are in the substrate, which serves as a support for the root system and receive the necessary nutrients from the solution. It for each plant, depending on the species, is selected individually. The hydroponic method is of two types: open systems and closed. Most industrial plants are simple open systems. Plants are grown on a mineral wool slab; the nutrient solution circulates several times a day, according to the ambient temperature, and then after each watering 25-30% of the nutr

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Sharma, Kartikay, Renuka Yadav, Shubham, and Shilpa Kaushal. "Optimizing Hydroponic Crop Production: A Multifaceted Approach to EC, pH and Nutrient Management." Journal of Scientific Research and Reports 31, no. 4 (2025): 716–26. https://doi.org/10.9734/jsrr/2025/v31i42995.

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Hydroponics is the practice of growing crops without soil, which relies on careful calibration of pH, EC (electrical conductivity) and nutrient availability to promote plant growth and yield. In hydroponics, pH is an important factor governing how nutrient availability is affected. Ideal pH range for most of the crops is 5.5-6.5. pH is important to determine acidity and alkalinity of a solution and it further affects nutrient absorption. pH management is different in Deep water Culture, Nutrient Film Technique and System of Flooded tubes. Modern techniques like microcontroller and sensors are

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18

Skipin, Leonid, Natalia Dyukova, and Yuri Loginov. "The number of nodule bacteria of alfalfa with varying degrees of salinity of the nutrient medium." АгроЭкоИнфо 6, no. 54 (2022): 27. http://dx.doi.org/10.51419/202126627.

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It was revealed that nodule bacteria reacted negatively to the alkaline reaction of the nutrient medium. This reaction was created with the participation of normal and bicarbonate of soda. The toxicity of bicarbonate and normal soda was 4-10 times higher than that of neutral salts. The predominance of soda in the composition of neutral salts (sulfate-soda salinization) increases their toxicity in comparison with the neutral type by 2.3-3.5 times. Neutral types of salinization, represented by one or several salts with the participation of sodium and magnesium at low concentrations (0.3-0.8%), h

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19

Yermiyahu, Uri, Isaac Zipori, Inna Faingold, Ludmila Yusopov, Nitay Faust, and Asher Bar-Tal. "Polyhalite as a multi nutrient fertilizer – potassium, magnesium, calcium and sulfate." Israel Journal of Plant Sciences 64, no. 3-4 (2017): 145–57. http://dx.doi.org/10.1163/22238980-06401001.

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Polyhalite is a hydrated sulfate of potassium (K), calcium (Ca) and magnesium (Mg) with the formula: K2Ca2Mg(SO4)4·2H2O. The main objective of the present study was to investigate and compare the efficiency of polyhalite as a fertilizer supplying K, Ca, Mg and sulfur (S) relative to equivalent soluble salts. The specific objectives were to investigate: 1. The release and transport of Ca, Mg, K and S in soil; 2. Uptake of these minerals by wheat plants and 3. Biomass production of wheat plants. To meet these objectives, two pot experiments (20 l pots filled with dune sand) were conducted in whi

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Mohamed, A. Okbah, M. Abd El-Halim Ahmed, A. Abu El-Regal Mohamed, and El. Nassar Mohammed. "Water Quality Assessment of Lake Edku using physicochemical and Nutrients Salts, Egypt." Chemistry Research Journal 2, no. 4 (2017): 104–17. https://doi.org/10.5281/zenodo.13954396.

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The present work is aimed to assess the water quality<strong> </strong>status of Lake Edku using the data at various locations on the lake based on the Water Quality Index (WQI). Water Quality Index was applied in ten water quality parameters (pH, Dissolved Oxygen, biological oxygen demand, suspended particulate matter, Electrical conductivity, Nitrate, Nitrite ammonium and reactive phosphate. The results revealed that the pH values lie slightly on the alkaline side, with a range of (9.07 -7.47), Electrical conductivity (EC) showed a wide range (590–5125μS/cm) with an average 187

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Ge, Zheng, Xi Chen, Xia Huang, and Zhiyong Jason Ren. "Capacitive deionization for nutrient recovery from wastewater with disinfection capability." Environmental Science: Water Research & Technology 4, no. 1 (2018): 33–39. http://dx.doi.org/10.1039/c7ew00350a.

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This study demonstrates that capacitive deionization can be effectively used for the removal and recovery of dominant nitrogen (ammonium) and phosphorus (phosphate salts) species present in wastewater.

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Mishchenko, S. V. "Seed germination of Cannabis sativa L. under artificially simulated salt stress in vitro culture." Faktori eksperimental'noi evolucii organizmiv 34 (September 25, 2024): 193–98. http://dx.doi.org/10.7124/feeo.v34.1639.

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Aim. The response of hemp (Cannabis sativa L.) to artificially simulated salt stress in vitro culture was the aim of our research. Methods. The seeds of the Hlyana variety were cultivated under conditions of salt stress, which was artificially simulated by adding a certain salt to the Murashige & Skoog nutrient medium in accordance with the main types of soil salinity: chloride, sulfate, and carbonate salinity. Results. Hemp clearly responded to an increase in the concentration of salts in the nutrient medium, in particular, a decrease in seed germination was observed. The most suitable fo

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Li, Jianhua, Jin Wang, and Jinlan Zhang. "Removal of Nutrient Salts in Relation with Algae in Ponds." Water Science and Technology 24, no. 5 (1991): 75–83. http://dx.doi.org/10.2166/wst.1991.0114.

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The quantity of algae and their dominant species and the quantity changes with month were investigated, and the changes in pH and increase in DO in Anda ponds resulting from photosynthesis were also discussed, which in turn promoted the evolution of ammonia nitrogen and the precipitation of phosphate. The relationship between chlorophyll within algal cells and the removal of nitrogen and phosphorous was studied,and the significant contribution of algae to the removal of ammonia nitrogen was further studied by static experiment. It was finally found that the removal of nitrogen is more effectiv

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Yang, Xiaoqing, Mingkai Leng, Xuguang Ge, et al. "Characterization and Risk Assessment of Nutrient and Heavy Metal Pollution in Surface Sediments of Representative Lakes in Yangxin County, China." Sustainability 16, no. 6 (2024): 2252. http://dx.doi.org/10.3390/su16062252.

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Increased urbanization and industrialization globally have led to the widespread pollution of water bodies (e.g., lakes) by heavy metals (HMs) and nutrients. These pollutants accumulate in water and surface sediments, posing risks to both aquatic organisms and human health. In November 2022, surface sediment samples from three lakes—Lianhua Lake, Mati Lake, and North Lake—were collected to assess nutrient (nitrogen and phosphorous) and HM content. Total N (TN), total P (TP), and HM concentrations were analyzed. The pollution status was evaluated using comprehensive pollution index (FF) methods

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Bezerra, Raphaela Revorêdo, José Amilton Santos Júnior, Uriel Calisto Pessoa, et al. "Water Efficiency of Coriander under Flows of Application of Nutritive Solutions Prepared in Brackish Waters." Water 14, no. 24 (2022): 4005. http://dx.doi.org/10.3390/w14244005.

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The impact of the salinity of the nutrient solution on water efficiency can be changed by the application flow. The aim of this work was to analyze the water efficiency and production components of coriander plants, cultivar Verdão, exposed to nutrient solutions (1.7, 3.0, 4.5, and 6.0 dS m−1) applied with different flow rates (1.0, 2.0, 3,0, and 4.0 L min−1) in an NFT hydroponic system. Two experiments were carried out in a greenhouse with two sources of salts to prepare the electrical conductivity. In the first experiment, NaCl was used, and CaCl2·2H2O was used in the second. Variables were

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Huang, Zhiwei, Jie Wang, Weijie Li, et al. "Seasonal Distribution of Nutrient Salts and Microbial Communities in the Pearl River Delta." Water 17, no. 6 (2025): 798. https://doi.org/10.3390/w17060798.

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The transformations of iron (Fe), phosphorus (P), and sulfide (S) have been previously investigated in many areas, but quantifying the effects of the seasons on nutrient transformations and bacterial community distributions is a major issue that requires urgent attention in areas with serious anthropogenic disturbance. The authors used the diffusive gradients in thin films (DGTs) technique and 16S rRNA gene sequencing to determine the spatial heterogeneity in the nutrient distribution and bacterial community structure in the overlying water and sediment in the Pearl River Delta (PRD). Sampling

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Abubakarov, H. G., N. N. Sleptsov, A. V. Sumin, E. A. Kalashnikova, and R. N. Kirakosyan. "Influence of lightculture on obtaining planting material of Ipomoea batatas (L.) in vitro." IOP Conference Series: Earth and Environmental Science 1112, no. 1 (2022): 012112. http://dx.doi.org/10.1088/1755-1315/1112/1/012112.

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Abstract The current article presents the results of the influence of lighting conditions on the morphogenetic potential of Ipomoea batatas (L.) microcuttings in vitro. The studied objects were 4 sweet potato cultivars - Jewel, Purple, Porto Rico, Vinnitsa pink. Microcuttings of I. batatas were cultivated in vitro. We used nutrient medium with mineral salts (according to the prescription of Murashige and Skoog (MS)) and medium only with distilled water (without mineral salts). All nutrient media contained sucrose 2% and agar 0.7%. Hormones were not added to the nutrient media. We studied the i

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Chandler, Marge. "Dietary management of liver disorders." Companion Animal 24, no. 7 (2019): 1–7. http://dx.doi.org/10.12968/coan.2019.0012.

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The liver is responsible for many important functions, including metabolism of ingested nutrients and toxins, and production of plasma proteins, clotting factors and bile salts. When the liver is diseased or damaged, dietary therapy is beneficial in preventing further damage; supporting hepatic repair and liver function; and decreasing signs of hepatic encephalopathy. The nutritional status of patients with liver disease is often compromised by anorexia; nutrient malassimilation due to portal hypertension and cirrhosis; and decreased hepatic nutrient synthesis or storage capacity. Appetite and

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A. Al-Akhaly, Ibrahim, Nabil A. Al-Shwafi, and Shehab A. Al-Kabsh. "Distribution of Nutrient Salts and Chlorophyll-a in Surface Water along the Gulf of Aden and Arabian Sea Coast, Yemen." Sultan Qaboos University Journal for Science [SQUJS] 25, no. 1 (2020): 17. http://dx.doi.org/10.24200/squjs.vol25iss1pp17-25.

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The distribution of inorganic nutrient salts (ammonium, nitrite, nitrate, phosphate and silicate) and phytoplankton chlorophyll-a (Chl-a) were investigated in the Gulf of Aden and along the Arabian Sea coast, Yemen. Seventy two surface water samples were collected during cruises in August 2014 and January 2015. The sampled area extends from As Suqayyah in the west of the Gulf of Aden to Hawf in the east. The study showed that the average values of nutrient salts (μg/l) in waters collected in August 2014 and January 2015 were 0.83 and 0.60, 10.98 and 10.03, 16.41 and 14.73, 10.36 and 8.76, and

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Xu, Hongliang, Ying Zhang, Xiuzhen Zhu, and Mingfeng Zheng. "Effects of rainfall-runoff pollution on eutrophication in coastal zone: a case study in Shenzhen Bay, southern China." Hydrology Research 50, no. 4 (2019): 1062–75. http://dx.doi.org/10.2166/nh.2019.012.

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Abstract The concentration of human activities in coastal cities results in the increase of nutrient salts released into the coastal environment and is identified as a major environmental problem for coastal zone management. Large amounts of nitrogen and phosphorus are transported by rainwater-runoff from urban catchments to coastal zones during episodic rainfall events inducing eutrophication problems and increasing the risk of red tide occurrence. This study used a coupled model based on the Storm Water Management Model (SWMM) and Environment Fluid Dynamic Code (EFDC) to simulate the rainfal

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Grosman, S. A., and I. E. Golubovsky. "Clinical observations of insulin-glucose therapy for their heart disease." Kazan medical journal 32, no. 10-11 (2021): 898–905. http://dx.doi.org/10.17816/kazmj80686.

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Vijayakumar, N. K., Peter P. Feret, and Terry L. Sharik. "In Vitro Propagation of the Endangered Virginia Roundleaf Birch (Betula uber [Ashe] Fern.) Using Dormant Buds." Forest Science 36, no. 3 (1990): 842–46. http://dx.doi.org/10.1093/forestscience/36.3.842.

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Abstract Dormant buds collected from greenhouse and field-grown trees of Betula uber (Ashe) Fern., the endangered Virginia round-leaf birch, were used for micropropagation. A nutrient medium containing the mineral salts of Murashige and Skoog (1962) supplemented with organic nutrients and growth regulators supported bud break, elongation, and limited multiplication. Shoots were 2-3 cm in height with 3-4 leaves in four weeks. They developed roots in vivo in 4-6 weeks in peat pellets under high humidity conditions with 16 h photoperiod at a temperature of 20°C. For. Sci. 36(3):842-846.

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Ozores-Hampton, Monica. "Developing a Vegetable Fertility Program Using Organic Amendments and Inorganic Fertilizers." HortTechnology 22, no. 6 (2012): 743–50. http://dx.doi.org/10.21273/horttech.22.6.743.

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This review integrates information from common organic amendments used in conventional vegetable production, including 1) cover crops (legumes and nonlegumes), 2) compost generated from yard wastes, biosolids, municipal solid waste (MSW), animal manures, and other biodegradable waste by-products, and 3) raw animal manure (with and without bedding). Environmental monitoring has shown elevated nitrate concentration to be widespread in both surface and groundwater, often occurring in regions with concentrated horticultural production. Therefore, the objective of this review was to calculate the n

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Yang, Ji Song, Xiao Jun Hu, and Hong Liang Chen. "Pollutions of Nutrient Salts and Heavy Metals of Groundwater in Xihe River Basin in Shenyang." Advanced Materials Research 864-867 (December 2013): 857–60. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.857.

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In order to evaluate the groundwater quality in the Xihe River Basin, the concentrations of fluoride (F-), chloride (Cl-), nitrite (NO2-), nitrate (NO3-), mercury (Hg), cadmium (Cd), zinc (Zn), lead (Pb) and barium (Ba) of the groundwater were investigated in the three sections, Section I, II and III for the upstream, midstream and down stream, respectively. A method of Nemero composite index was used to evaluate the groundwater quality. The concentrations of nutrient salts of groundwater in the Xihe River basin decreased from the upstream to the midstream and downstream. The values of heavy m

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Shuichiro, Ubukata, and Seki Hiroko. "Effect of additives on the fermentative ability of commercial dry yeast in the production of mead." Food Science and Applied Biotechnology 7, no. 2 (2024): 224. http://dx.doi.org/10.30721/fsab2024.v7.i2.363.

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Honey contains many monosaccharides as fermentation materials for mead production, but little nitrogen or minerals. Consequently, the quality of the final product is inconsistent owing to a lack of nutrients. Here, we sought to identify valuable additives that can be used as nutrient sources for efficient mead production. We examined the effects of diammonium hydrogen phosphate, ammonium sulfate, and salts on the alcoholic fermentation of honey must by dry yeast. The results showed that the alcohol concentration in the mead increased with the addition of diammonium hydrogen phosphate but decre

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Fang, Xiaochen, Mei Chen, Dongyu Lu, et al. "Spatial Distribution of Physical and Chemical Properties of Deep Sea Water in Xisha, South China Sea." Water 16, no. 20 (2024): 2988. http://dx.doi.org/10.3390/w16202988.

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Deep sea water (DSW) is a globally utilized source of renewable energy and other resources. To understand the characteristics of DSW resources in the South China Sea, in July 2022, the Guangzhou Marine Geological Survey (GMGS) investigated temperature, salinity, pH, dissolved oxygen (DO), inorganic salts (DIN, PO43−-P, and SiO3-Si), heavy metals (Hg, Pb, As, and Cd), trace elements (Cu, Zn, Fe, Mn, Ni, Se, and Mo), and other related indicators. The results of this investigation elucidate the horizontal and vertical changes in the physical and chemical properties of deep sea water in the Xisha

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Gao, Shengyuan, Yingkai Ma, and Zhizhuang Qiao. "Study on Spatial and Temporal Distribution of Nutrient Salts in Typical Seaward Rivers in Hainan Island." E3S Web of Conferences 406 (2023): 03014. http://dx.doi.org/10.1051/e3sconf/202340603014.

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Hainan Island, China’s second largest island, is located in the tropics and its rivers are significantly affected by precipitation. With the construction of free trade port with Chinese characteristics, Hainan Island’s industry, agriculture, tourism and urbanization have developed in an all-round way. With the rapid development of economy, water environment ecology has been destroyed. Based on the two seasons of drought and rain, this paper took Ningyuan River and Wanquan River as the research object to study the spatial and temporal distribution of nitrogen and phosphorus nutrients in the riv

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MURAKOSHI, ISAMU, MAKOTO MATSUMOTO, YUKIO SOEDA, YOSHIHIRO HIGUCHI, and KAZUKI SAITO. "Removal of nutrient salts and phenol by aquatic plant Myriophyllum brasiliense." Eisei kagaku 35, no. 2 (1989): 147–51. http://dx.doi.org/10.1248/jhs1956.35.147.

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Kang, Seoktae, So-Ryong Chae, Am Jang, and Jong-Oh Kim. "Modeling of a monopolar ion-exchange membrane for nutrient salts removal." Desalination and Water Treatment 53, no. 10 (2014): 2825–30. http://dx.doi.org/10.1080/19443994.2014.931527.

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Shi, Shu Zhi, Da You Cheng, Feng Ming Ma, Cui Hong Dai, Zhao Xin Lu, and Cheng Fei Luo. "Technological Optimization of Ethanol Fermentation on Energy Beet with Tolerance High Temperature Yeast Strain." Advanced Materials Research 433-440 (January 2012): 1245–52. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.1245.

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Temperature affected ethanol fermentation of energy beet greatly.This study showed that yeast HADY was tolerant to high temperature and when the fermentation temperature was 45°C,the translation rate of ethanol was higher.The three main factors were screened out from nine factors related fermentation by Plackett-Burman design and response surface methodology, such as substrate concentration, ratio of solvent to material, added HADY amount,nutrient salts, phosphorus addition amount, pH value, rotational speed, fermentation temperature and fermentation time. The three main factors included subst

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Gong, Binbin, Xiaowei Ren, Wenyu Hao, et al. "Response Surface Methodology for Development of Nutrient Solution Formula for Hydroponic Lettuce Based on the Micro-Elements Fertilizer Requirements at Different Growth Stages." Agronomy 14, no. 6 (2024): 1160. http://dx.doi.org/10.3390/agronomy14061160.

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In order to precisely obtain the impact of nutritional elements on lettuce yield and quality, in the present study, a nutrient solution formula suitable for lettuce hydroponic production was development using response surface methodology based on the determination for micro-elements in three growth stages and taking the interaction between elements into account. Then, the formula was optimized and validated, aiming for the goal of improving lettuce yield and quality. The results showed that 200 healthy lettuce leaves contained similar amounts of macro-elements, and there was no significant dif

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Meador, Dustin P., and Paul R. Fisher. "Ammonium in Nutrient Solutions Decreases Free Chlorine Concentration from Sodium Hypochlorite." HortScience 48, no. 10 (2013): 1304–8. http://dx.doi.org/10.21273/hortsci.48.10.1304.

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The objective was to quantify the effect of water-soluble fertilizers on concentration of free chlorine level in a sodium hypochlorite solution. Research on the disinfestation strength and phytotoxicity risk of chlorine compounds is needed, because control of waterborne pathogens has been based on response to free chlorine, whereas dual injection of fertilizer and chlorine is a common horticultural practice. Free chlorine from sodium hypochlorite was applied at 2.6 mg·L−1 chlorine (Cl) to deionized water only (control) or deionized water with 11 nutrient solutions at 200 mg·L−1 nitrogen (N). N

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Belyaev, B. N., and N. M. Beregovaya. "Influence of mussel Mytilus galloprovincialis exometabolites on R-phycoerythrin concentration in red alga Gelidium spinosum when grown in polyculture." Marine Biological Journal 5, no. 2 (2020): 12–18. http://dx.doi.org/10.21072/mbj.2020.05.2.02.

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To increase R-phycoerythrin concentration in red Black Sea alga Gelidium spinosum (S. G. Gmelin) P. C. Silva, 1996 (Rhodophyta), it was cultivated in laboratory conditions in polyculture microalga Tetraselmis viridis – mussel Mytilus galloprovincialis – Gelidium; the results of the study are presented. The positive effect of mussel exometabolites on R-phycoerythrin concentration in Gelidium in polyculture is described. The relevance of the work is determined by the value of R-phycoerythrin, which is used as a powerful antioxidant, as well as a marker in cytometry and microscopy. The aim of the

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Muchecua, Salimo M. H., José A. Santos Júnior, Sirleide M. de Menezes, Gerônimo F. da Silva, Lucia H. G. Chaves, and Ruana I. F. Cruz. "Ionic relationships between macronutrients and sodium in parsley under nutrient solutions prepared with brackish water." Revista Brasileira de Engenharia Agrícola e Ambiental 26, no. 1 (2022): 11–20. http://dx.doi.org/10.1590/1807-1929/agriambi.v26n1p11-20.

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ABSTRACT The concentration and nature of ions directly influence ionic relationships between macronutrients and sodium, especially in the context of plants grown under saline conditions. The goal of this study was to analyze the efficiency of use of N, P, K, Ca, Mg, and S, the efficiency of Na accumulation, and the relationships between Ca+2, Mg+2, Na+, and K+ after analysis of parsley, cultivar Graúda Portuguesa, plant tissues exposed to nutrient solutions prepared with brackish water with different cationic natures. The treatments consisted of exposing plants to nutrient solutions (ECns = 1.

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KAUP, ENN, and JAMES S. BURGESS. "Surface and subsurface flows of nutrients in natural and human impacted lake catchments on Broknes, Larsemann Hills, Antarctica." Antarctic Science 14, no. 4 (2002): 343–52. http://dx.doi.org/10.1017/s0954102002000123.

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This study aimed to use nutrients in lake inflows as proxies for assessing human impact and separating this from natural transformations of material in the soil active layer. Nutrients, conductivity and δ18O were monitored in surface and subsurface (using ceramic tipped piezometers) lake inflows during summer in near natural and human impacted catchments. The nutrient levels were highly variable but generally higher during the last weeks of the flow, in both subsurface waters and in human impacted catchments. Up to 2000 μgN l−1 subsurface dissolved inorganic nitrogen (DIN) was measured in huma

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Rao*, Juluri. "Electroremediation Methods for Removal of Excessive Salts from “Spent” Mushroom Compost." HortScience 39, no. 4 (2004): 751A—751. http://dx.doi.org/10.21273/hortsci.39.4.751a.

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There is world-wide interest in disposal technologies suitable for handling farm wastes. The Northern Ireland mushroom industry generates 200,000 tonnes/year of “spent” mushroom compost waste containing excess salts (P, K, Ca) and heavy metals. Its disposal by landspreading is restricted by EU, U.K. legislation. Farmers in Europe and the United States use this waste as a soil nutrient improver, but such operations are deleterious to the environment owing to microbial loading of soil and the release of human and animal pathogens. An ideal option is to reduce salt levels and pathogen content bef

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Affoue Hortense, Kouame, Kouame Kouame Martin, Djirieoulou Kemomadjehi Claver, and Boussou Koffi Charles. "ORGANIC POLLUTION INDEX IN THE EVALUATION OF THE QUALITY OF LAKE DOHOU, A SOURCE OF DRINKING WATER SUPPLY IN THE CITY OF DUEKOUE (WEST COTE DIVOIRE)." International Journal of Advanced Research 9, no. 12 (2021): 30–37. http://dx.doi.org/10.21474/ijar01/13872.

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The abiotic typology of the different sampling stations based on physico-chemical parameters and the assessment of the nutrient load and the relative contributions of the different nutrient sources to this surface water were analysed. Five physical and chemical parameters (temperature, dissolved oxygen, transparency, pH and conductivity) were measured in situ at each sampling campaign in Lake Dohou over a period of one year, once a month at seven (7) selected stations. Water samples were taken for subsequent determination of dissolved solids, biological oxygen demand for 5 days and nutrient sa

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Chamorro, Andrés F., Manuel Palencia, and Álvaro A. Arrieta. "Development of High-Efficiency Fertilizer by Hydrogels Obtained from Cassava Starch and Citric Acid for Slow Release of Ammonium and Potassium." Gels 10, no. 7 (2024): 434. http://dx.doi.org/10.3390/gels10070434.

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Fertilizers with enhanced efficiency or high-efficiency fertilizers increase the nutrient availability, minimize losses, and reduce costs, thereby increasing crop yields and food production while mitigating environmental impacts. This research evaluates the synthesis of biodegradable hydrogels from cassava starch and citric acid for agrochemical applications. Hydrogels were synthesized using water as the solvent and applied for the controlled release of macronutrients (N and K). Four concentrations of nutrient-containing salts were tested (0.5 to 10.0% w/w). Materials were analyzed using ATR-F

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Ghosh, S., and D. C. Taylor. "Kraft-Mill Biosolids Treatment by Conventional and Biphasic Fermentation." Water Science and Technology 40, no. 11-12 (1999): 169–77. http://dx.doi.org/10.2166/wst.1999.0709.

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Kraft primary and mixed primary-activated sludges were gasified by thermophilic (50 °C) high-rate and mesophilic two-phase digestion. Kraft sludges were deficient in nitrogen, phosphorus, and other unidentified nutrients. Municipal sludge proved to be a much better nutrient source than inorganic salts. Performance of the mesophilic (35°C), two-phase anaerobic digestion (TPAD) system was about the same as that of thermophilic single-stage, high-rate digestion at a 10-day HRT as judged in terms of methane yield (0.17 SCM/kg VS added) and VS reduction efficiency (43%). The mesophilic TPAD process

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Stabrowska, J., and J. Kozłowska. "Development of tomato plants growing on nutrient solution containing ammonium salts in the presence of various doses of potassium." Acta Societatis Botanicorum Poloniae 44, no. 1 (2015): 3–13. http://dx.doi.org/10.5586/asbp.1975.001.

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In all the experiments the best development of tomato plants was observed when nutrient solutions containing 1/3 of full doses of potassium were applied (i.e. when the N : K ratio = 0.84). On the other hand, the poorest development of plants was observed in combinations with 1/100 of the full potassium dose. Tenfold doses of potassium added to the nutrient solution de-pressed markedly plant growth, particularly at pH 7.6. The supply of potassium in the nutrient solution was correlated with the nitrogen, potassium and calcium amounts absorbed by the plants.

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