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Journal articles on the topic 'Granulated superphosphate'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Shaviv, A., and M. Schnek. "Reactions of mixtures of granulated superphosphate and ammonium sulphate in calcareous soil." Geoderma 44, no. 1 (1989): 17–27. http://dx.doi.org/10.1016/0016-7061(89)90003-7.

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2

Weaver, DM, GSP Ritchie, and GC Anderson. "Phosphorus leaching in sandy soils .II. Laboratory studies of the long-term effects of the phosphorus source." Soil Research 26, no. 1 (1988): 191. http://dx.doi.org/10.1071/sr9880191.

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Long-term phosphorus (P) losses and gains in sandy soils continuously fertilized with either ordinary superphosphate or coastal superphosphate (a granulated mixture of superphosphate, rock phosphate and elemental sulfur) or previously fertilized with superphosphate were investigated under leaching conditions in columns in the laboratory. The soils were subjected to 10 consecutive cycles designed to simulate the mediterranean weather conditions in the Harvey region of the Coastal Plain of Western Australia. Each cycle consisted of a wet phase during which the equivalent of 850 mm of rainfall wa

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3

Rotondo, Felipe, Rodrigo Coniglio, Leandro Cantera, Ignacio Di Pascua, Leonardo Clavijo, and Andrés Dieste. "Lignin-based coatings for controlled P-release fertilizer consisting of granulated simple superphosphate." Holzforschung 72, no. 8 (2018): 637–43. http://dx.doi.org/10.1515/hf-2017-0176.

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AbstractA novel lignin-based slow release fertilizer with low environmental impact has been developed. More precisely, a granulated simple superphosphate fertilizer, consisting of calcium phosphate monobasic [Ca(H2PO4)2·H2O] and gypsum (CaSO4·2H2O) was coated with modified kraft lignins and the diffusion of phosphorus was observed as a function of time. The lignin was hydroxymethylated with formaldehyde and subsequently cross-linked with phenol-formaldehyde resin resulting in HML-PF as coating. Moreover, coating films were prepared from a mixture of acetylated lignin (Lac) and acetylated cellu

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4

Yukhymenko, Mykola, Ruslan Ostroha, and Jozef Bocko. "Design of a shelf pneumatic classifier for separating a polydisperse mixture of granulated superphosphate." Eastern-European Journal of Enterprise Technologies 6, no. 1 (120) (2022): 33–42. http://dx.doi.org/10.15587/1729-4061.2022.267037.

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The object of this study is a polydisperse mixture of granular superphosphate. It is emphasized that existing technologies of granulation and processing of granules lead to the formation of dusty fractions of small particles. The content of small fractions in the finished product should be minimal and, in connection with this problem, the task is to remove small particles from the mixture. The purpose of the current experimental study is to classify a polydisperse mixture of granular superphosphate in a pneumatic classifier. The device includes an inclined perforated shelf with an unloading sp

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5

Mykola, Yukhymenko, Ostroha Ruslan, and Bocko Jozef. "Design of a shelf pneumatic classifier for separating a polydisperse mixture of granulated superphosphate." Eastern-European Journal of Enterprise Technologies 6, no. 1 (120) (2022): 33–42. https://doi.org/10.15587/1729-4061.2022.267037.

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The object of this study is a polydisperse mixture of granular superphosphate. It is emphasized that existing technologies of granulation and processing of granules lead to the formation of dusty fractions of small particles. The content of small fractions in the finished product should be minimal and, in connection with this problem, the task is to remove small particles from the mixture. The purpose of the current experimental study is to classify a polydisperse mixture of granular superphosphate in a pneumatic classifier. The device includes an inclined perforated shelf with an unloading sp

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6

Weaver, DM, GSP Ritchie, GC Anderson, and DM Deeley. "Phosphorus leaching in sandy soils .I. Short-term effects of fertilizer applications and environmental conditions." Soil Research 26, no. 1 (1988): 177. http://dx.doi.org/10.1071/sr9880177.

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The consequences of previous as well as current environmental conditions and management practices on the potential for phosphorus (P) to be lost by drainage from sandy soils in the short term (< 1 year) were studied in the laboratory and the field. The potential for P losses by drainage was estimated by measuring soil solution P levels and rapidly released P. Rapidly released P was measured by determining the concentration of dissolved inorganic P contained in filtered (<0.45 pm) soil solutions after incubating soil at saturation for 15 min at ambient temperature. In the laboratory, sand

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7

Peres, Amanda Ribeiro, Gisele Herbst Vazquez, and Renata Danielle Cardoso. "Physiological potential of Brachiaria brizantha cv. Marandu seeds kept in contact with phosphatic fertilizers." Revista Brasileira de Sementes 34, no. 3 (2012): 424–32. http://dx.doi.org/10.1590/s0101-31222012000300009.

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The effect of mixture of seeds of Brachiaria brizantha, cv. Marandu, with different sources, granulometry, and phosphatic fertilizer doses during various periods of exposure on the physiological potential of the seeds has been assessed. The treatments consisted in seed exposure during periods of 0, 3, 6, 12, 24, 36, 48, 72, 96, and 120 h to the following fertilizers: ground granulated single superphosphate (SS), and powdered (SSp); and ground granulated ammonium monophosphate (AMP), at doses of 40 and 80 kg P2O5 ha-1. Tests of germination, tetrazolium, moisture content, and vigor (first count,

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8

Castañon, Thiago Henrique Ferreira Matos, Boanerges Freire de Aquino, Edna Maria Bonfim Silva, Izabel Maria Almeida Lima, and Ana Paula Alves Barreto Damasceno. "Managment of sulphur fertilizer in forage sorghum crop cultivated in eutrophic Cambisol with alkaline pH." August 2019, no. 13(08):2019 (August 20, 2019): 1258–66. http://dx.doi.org/10.21475/ajcs.19.13.08.p1530.

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The objective of this study was to analyze the effect of soil fertilization with sulfur-based fertilizers, sulfate and elemental sulfur forms on biomass production, nutrient characteristics of sorghum and soil chemical properties. The experiment was carried out in a 4 x 4 factorial scheme (four sulfur sources: single superphosphate, agricultural gypsum, elemental sulfur powder and elemental sulfur granulated with bentonite, and four sulfur doses: 0, 40, 80, 120 mgdm-3) using four replications in a completely randomized design, being cultivated in pots under greenhouse conditions. The sorghum w

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9

Millsaps, Clara R., Mark S. Reiter, Brooks M. Whitehurst, Garnett B. Whitehurst, Rory O. Maguire, and Wade E. Thomason. "Granulated Poultry Litter Ash Acidulation and Physical Characteristics." Transactions of the ASABE 64, no. 4 (2021): 1227–35. http://dx.doi.org/10.13031/trans.14164.

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HighlightsPhosphoric acid (PA) increased water-soluble phosphorus (WSP) from 0.31 to 47.4 g P kg-1 in poultry litter ash (PLA).Ideal granule size was identified at 29% acidulation (14.5 g acid to 50 g PLA) with granules averaging 3.14 mm.Bulk fertilizer production needed 32% PA addition, and adequate mixing equipment is important for PA efficiency.Granule size and strength were adequate as compared to industry standards and commercial fertilizers.Abstract. Manure-to-energy systems effectively recycle poultry litter (PL) into poultry litter ash (PLA) that densifies and concentrates the phosphor

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10

Carrington, Mary E., Monica Ozores-Hampton, and J. Jeffrey Mullahey. "368 Effects of Nitrogen Fertilization on Saw Palmetto (Serenoa repens)." HortScience 35, no. 3 (2000): 455F—456. http://dx.doi.org/10.21273/hortsci.35.3.455f.

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Saw palmetto (Serenoa repens), a palm species native to the Southeastern United States, is used in ornamental plantings and landscaping. From Mar. 1998 to Mar. 1999, we conducted an experiment to assess effects of different levels of nitrogen addition on three sizes of containerized saw palmettos in southwest Florida. Palmettos were in 26-L containers (plant height 30 to 50 cm, no above-ground rhizome), 38-L containers (plant height 50 to 80 cm, above-ground, prostrate rhizome), and 170-L containers (three erect above-ground rhizomes 1 to 2 m high). We applied granulated ammonium nitrate (34%

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11

Lefroy, RDB, M. Dana, and GJ Blair. "A glasshouse evaluation of sulfur fertilizer sources for crops and pastures. III. Soluble and non-soluble sulfur and phosphorus sources for pastures." Australian Journal of Agricultural Research 45, no. 7 (1994): 1525. http://dx.doi.org/10.1071/ar9941525.

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Decreasing terms of trade of animal producers and increasing awareness of environmental problems associated with fertilizer use has resulted in increased emphasis on improving fertilizer use efficiency. Elemental S and reactive phosphate rock offer two sources of fertilizers with slower nutrient release rates than gypsum or monocalcium phosphate. A randomized block experiment was conducted under glasshouse conditions. Undisturbed soil cores of an Aquic Haplustalf soil were oversown with perennial ryegrass (Lolium perenne L.) and white clover (Trifolium repens, L.), and a factorial combination

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12

Kryvenko, A., and S. Burykina. "Efficiency of forms and terms of zinc application in the winter wheat fields." Agrobìologìâ, no. 2(142) (December 22, 2018): 25–33. http://dx.doi.org/10.33245/2310-9270-2018-142-2-25-33.

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To improve the technology of winter wheat cultivation it becomes more relevant to discuss the issue of enhancing crop microelement nutrition, which is very important when mineral fertilizers are applied at a higher rate than the one accepted in the zone. Chornozem (black) soils in general, and southern ones in particular, have a neutral or slight alkaline response, i.e. most of the microelements are slow movable and in fact are not available for the plants. The efficiency of the microelement application uppermost affected by the form they are in. Recent experiments prove that the most efficien

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13

Çuçi, T., J. Thereska, N. Dhamo, and E. Plasari. "Radiotracer determination of dynamic parameters of a superphosphate granulator." Journal of Radioanalytical and Nuclear Chemistry Letters 135, no. 6 (1989): 449–53. http://dx.doi.org/10.1007/bf02164773.

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14

Темерева, И. В., Т. Б. Смирнова, Т. Ю. Степанова, and Т. Т. Толстогузова. "The use of fertilizers in the cultivation of potatoes of various varieties in the meadow-chernozem soil of the Omsk region." Kartofel` i ovoshi, no. 6 (June 7, 2022): 30–33. http://dx.doi.org/10.25630/pav.2022.54.97.005.

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Картофель принадлежит к числу ценных с. – х. культур высокой продуктивности с повышенными требованиями к условиям минерального питания. Цель исследования: получение нормативных агрохимических характеристик для картофеля различных сортов в условиях применения удобрений для дальнейшего их использования в разработке системы удобрения конкретного сорта. Исследования проводили на опытном поле и кафедре агрохимии ФГБОУ ВО Омского ГАУ в 2018–2020 годах. Почва опытных участков – лугово-черноземная среднемощная среднегумусовая тяжелосуглинистая с однородной окраской и однородным сложением перегнойного

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15

Shannon, P. W. "ALTERNATIVE P-FERTILISERS FOR NORTHLAND SOILS." Proceedings of the New Zealand Grassland Association, January 1, 1986, 229–32. http://dx.doi.org/10.33584/jnzg.1986.47.1734.

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Increasing material, processing, and distribution costs have raised superphosphate prices to a point where many farms cannot support the costs of meeting maintenance phosphate requires men& Alternatives to superphosphate, particularly those that have lower processing costs and contain more P, may offer a solution to the problem provided they are agronomically as effective. Phosphate rock may indeed be such an alternative. Preliminary results from a series of five trials in Northland show that on soils of moderate P fertility, with low phosphate retention (PR) and high pH (5.9.6.0), initial

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16

Bulgakov, Volodymyr, Oleg Adamchuk, Semjons Ivanovs, and Juri Olt. "EXPERIMENTAL INVESTIGATIONS ON THE SURFACE APPLICATION OF SUPERPHOSPHATE BY THE FERTILISER SPREADING TOOL WITH INCLINED AXIS." INMATEH Agricultural Engineering, August 31, 2021, 307–16. http://dx.doi.org/10.35633/inmateh-64-30.

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One of the possible ways to significantly increase the spreading distance of fertilisers (and, accordingly, efficiency) by the fertiliser spreading tools may be creation of a structure with an inclined axis of rotation. For experimental investigations an experimental setup was developed and a solid mineral superphosphate granular fertiliser was used as a material. Increasing the angle of inclination of the disc of the fertiliser sowing tool with an inclined axis in a horizontal plane from 0 to 30º at a disc rotation frequency of 1000 min-1 leads to an increase in the effective sieving distance

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17

Macfarlane, M. J., C. J. Korte, and A. G. Gillingham. "THE EFFECT OF INCREASING WINDS ON THE DISTRIBUTION OF OVERSOWN SEED AND FERTILISER." Proceedings of the New Zealand Grassland Association, January 1, 1987, 131–36. http://dx.doi.org/10.33584/jnzg.1987.48.1769.

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Distribution patterns of white clover, perennial ryegrass and cocksfoot were measured when oversown with granulated superphosphate in contrasting cross wind speeds, under both airfield and hill country conditions. Increasing velocity of cross wind reduced the variability of spread of all components. Swath width increased, and maximum seed rate declined, with increasing cross wind. Some separation of seed types occurred, with the tighter fractions being moved further downwind. Measured distribution patterns from single flights were used to estimate paddock scale applications by overlapping swat

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18

Akhmatbekov, Musakun, Uranbek Shergaziev, Kumushbek Mambetov, Sovetbek Mamytkanov, and Nurdin Duishembiev. "The effectiveness of forms of mineral fertilisers and productivity of winter wheat on grey-meadow soils of Kyrgyzstan." Scientific Horizons 26, no. 7 (2023). http://dx.doi.org/10.48077/scihor7.2023.129.

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Fertilisation of winter wheat is necessary to provide the crop with nutrients for optimal growth, development, and formation of the crop. However, the effectiveness of fertilisers may depend on their shape, soil conditions, and climate. The purpose of the study is to examine the effectiveness of using various forms of mineral fertilisers on the formation of productivity of winter wheat on grey-meadow soils of Kyrgyzstan. In 2019-2021, field experiment was conducted in the Educational-experimental Farm of the Kyrgyz National Agrarian University, named after K.I. Skryabin to achieve this goal. A

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19

Boswell, Cc, and B. Swanney. "ALTERNATIVE SULPHUR FERTILISERS IN NEW ZEALAND." Proceedings of the New Zealand Grassland Association, January 1, 1986, 233–42. http://dx.doi.org/10.33584/jnzg.1986.47.1735.

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Interest in high analysis sulphur (S) fertilisers is centred on elemental S which is generally mixed with other materials for safety reasons and to improve effectiveness. Central to the effectiveness of S fertilisers is the rate of oxidation to sulphate-S (SO4S)) for plant uptake. Oxidation rates increase as particle fineness increases. The distribution of S particle sizes in mixtures therefore affects the effectiveness of the fertiliser in any environment. Rates of oxidation vary between environments and thus different S particle size distributions suit different environments. Currently the c

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20

Benites, Vinicius de Melo, Sulian Junkes Dal Molin, Cassio Sitta, et al. "Agronomic efficiency of partially acidulated and granulated Arraias phosphate rock." Revista Brasileira de Ciência do Solo 49, spe1 (2025). https://doi.org/10.36783/18069657rbcs20240154.

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ABSTRACT Natural phosphate rocks (PR) are characterized by low phosphorus (P) solubility in water. Acidulation is the normal method to raise P solubility of these materials, however, it increases the cost and causes operational issues. The aim of this study was to evaluate the agronomic efficiency of partially acidulated and micro-granulated Arraias phosphate rock, which has a lower P content (6.88 %) than normal apatite concentrates. Two experiments were carried out in a greenhouse at the University of Rio Verde, Goiás State, in which corn was grown in pots with two kg of red clayey Oxisol (L

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21

Santos, Sara Ramos dos, José Ferreira Lustosa Filho, Leonardus Vergütz, and Leônidas Carrijo Azevedo Melo. "Biochar association with phosphate fertilizer and its influence on phosphorus use efficiency by maize." Ciência e Agrotecnologia 43 (2019). http://dx.doi.org/10.1590/1413-7054201943025718.

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ABSTRACT The use of fertilizers with some degree of protection of the phosphate ions can reduce soil adsorption and increase the absorption by plants, increasing the efficiency of phosphorus (P) fertilization. This study aimed to evaluate the performance of a phosphate fertilizer associated with biochar in granules in a P-fixing soil in a greenhouse experiment. Biochars were produced from two sources of biomass: sugarcane bagasse (SB) and wood sawdust (WS), which were pyrolysed at two temperatures (350 °C and 700 °C). After chemical and physical characterization, the biochar samples were granu

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