• Superphosphate is a chemical fertiliser first synthesised in the 1840s by reacting bones with sulfuric acid. The process was subsequently improved by reacting...
    20 KB (2,008 words) - 19:34, 8 July 2024
  • Thumbnail for Fertilizer
    Triple superphosphate (TSP) typically consists of 44–48% of P2O5 and no gypsum. A mixture of single superphosphate and triple superphosphate is called...
    99 KB (10,493 words) - 00:53, 18 February 2025
  • Thumbnail for Monocalcium phosphate
    Ca(H2PO4)2·H2O. Both salts are colourless solids. They are used mainly as superphosphate fertilizers and are also popular leavening agents. Material of relatively...
    7 KB (530 words) - 00:56, 14 January 2025
  • Thumbnail for James Murray (physician)
    out patents covering superphosphate fertiliser on 23 May 1842. On the same day John Bennet Lawes also took out a superphosphate patent. Murray was judged...
    11 KB (1,407 words) - 19:03, 26 April 2024
  • Thumbnail for Arab Spring
    Fertilizer prices   DAP   Potassium chloride   Phosphorite   Triple Superphosphate   Urea...
    299 KB (23,165 words) - 09:50, 26 February 2025
  • Thumbnail for John Bennet Lawes
    Manor that eventually became Rothamsted Research, where he developed a superphosphate that would mark the beginnings of the chemical fertilizer industry.[citation...
    8 KB (776 words) - 14:20, 19 November 2024
  • Thumbnail for 2008 financial crisis
    Fertilizer prices   DAP   Potassium chloride   Phosphorite   Triple Superphosphate   Urea...
    250 KB (26,101 words) - 04:19, 16 February 2025
  • manufacture superphosphate. In 1927, Cuming Smith and two other firms – Mount Lyell Mining and Railway Company and Westralian Farmers Superphosphates – established...
    5 KB (596 words) - 03:49, 16 November 2024
  • section of the railway has been reconstructed. Danish Sulfuric Acid and Superphosphate Factory, Fredericia A/S Frederiksholm Brickworks, Copenhagen, (3 feet...
    89 KB (7,925 words) - 11:12, 26 February 2025
  • Thumbnail for Aerial topdressing
    The possibility of using aircraft was soon investigated. Spreading superphosphate by agricultural aircraft was independently suggested in 1926 by two...
    31 KB (4,447 words) - 01:55, 10 December 2024
  • Thumbnail for Second Industrial Revolution
    fertilizer plants at Bramford, and Snape in the 1850s. By the 1870s superphosphates produced in those factories, were being shipped around the world from...
    84 KB (10,243 words) - 17:03, 25 February 2025
  • Thumbnail for Battle of Waterloo
    which was much in demand as a fertilizer before the discovery of superphosphates in the 1840s. Bernard Wilkin and Robin Schäfer, supported by the British...
    198 KB (24,027 words) - 11:08, 23 February 2025
  • nitrate 0-17-0 to 0-22-0 Superphosphate (Monocalcium phosphate monohydrate with gypsum) 0-44-0 to 0-52-0 Triple superphosphate (Monocalcium phosphate monohydrate)...
    9 KB (1,040 words) - 23:40, 20 December 2024
  • first aerial topdressing trials carried out in the world, spreading superphosphate fertiliser alongside the runways at RNZAF Ohakea. Their main purpose...
    8 KB (698 words) - 16:01, 8 August 2024
  • Thumbnail for 2010–2012 world food price crisis
    Fertilizer prices 1992-2022.   DAP   Potassium chloride   Phosphorite   Triple Superphosphate   Urea...
    5 KB (363 words) - 17:37, 14 October 2024
  • Thumbnail for Emil Erlenmeyer
    habilitation thesis "On the manufacture of the artificial manure known as superphosphate" contained a description of several crystalline substances which greatly...
    8 KB (872 words) - 00:49, 31 December 2024
  • Thumbnail for Guar
    Fertilizer Nitrogen: not necessary Phosphorus: often limiting, US: Superphosphate 200–250 kg/ha Plant Protection Weeding: young guar plant development...
    17 KB (1,925 words) - 14:45, 22 December 2024
  • Thumbnail for History of fertilizer
    create superphosphates, which were shipped around the world from the port at Ipswich. By 1871 there were about 80 factories making superphosphate.[where...
    15 KB (1,802 words) - 13:21, 24 January 2025
  • Thumbnail for Kempthorne Prosser
    first in the country to combine sulphuric acid and bone dust to produce superphosphate. The Burnside Chemical Works in Dunedin was the first of its type in...
    14 KB (1,829 words) - 12:52, 7 December 2024
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    state to be absorbed by plants. Their investigations also produced the superphosphate, consisting in the acid treatment of phosphate rock. This led to the...
    206 KB (22,796 words) - 09:03, 23 February 2025
  • The 2007–2008 world food crisis happened when fertilizer prices spiked then.   DAP   Potassium chloride   Phosphorite   Triple Superphosphate   Urea...
    88 KB (7,693 words) - 08:46, 21 February 2025
  • Thumbnail for Tithonia diversifolia
    higher yields. A study found that when applying tithonia with triple superphosphate (TSP) that the yields increased by 220% compared to a control test containing...
    12 KB (1,725 words) - 17:29, 26 February 2025
  • Thumbnail for 2022–2023 global food crises
    1992–2022. The 2007–2008 world food crisis happened when fertilizer prices spiked.   DAP   Potassium chloride   Phosphorite   Triple superphosphate   Urea...
    112 KB (10,974 words) - 11:01, 11 February 2025
  • Drugs, 9th ed. monograph 8775 "The Manufacture of Sulfuric Acid and Superphosphate" (PDF). Chemical Processes in New Zealand. Archived from the original...
    18 KB (1,557 words) - 18:38, 4 February 2025
  • Thumbnail for Pyrophosphate
    Phosphoric acid Phosphoric acids and phosphates RNA Sodium pyrophosphate Superphosphate Thiamine pyrophosphate Tooth Zinc pyrophosphate Yadav, Prerna; Blacque...
    12 KB (1,169 words) - 20:38, 21 February 2025
  • Thumbnail for Sulfuric acid
    produced amount (≈60%) was consumed for fertilizers, particularly superphosphates, ammonium phosphate and ammonium sulfates. About 20% is used in chemical...
    65 KB (7,157 words) - 07:28, 10 February 2025
  • Thumbnail for Chemical industry
    1840s he established large works near London for the manufacture of superphosphate of lime. Processes for the vulcanization of rubber were patented by...
    40 KB (3,749 words) - 18:56, 1 February 2025
  • to form triple superphosphate, a more concentrated phosphorus fertilizer which excludes the gypsum content found in single superphosphate: Ca3(PO4)2 + 4...
    9 KB (1,071 words) - 09:22, 4 February 2025
  • Thumbnail for Bennett Airtruck
    excellent forward view and very high drag, beneath it was room for a superphosphate hopper or up to 5 people in a cabin. The strangeness was completed by...
    6 KB (462 words) - 23:33, 10 September 2024
  • Phosphate (TSP) fertilizer and from 1990 is started producing Single superphosphate fertilizer also. The fertilizer complex is located Karnaphuli river...
    3 KB (190 words) - 22:19, 7 April 2024