Chemistry and american industry

Cushman, Allerton S.

doi:10.1016/s0016-0032(17)91156-1

Cited by 1 publication

(3 citation statements)

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“…As WWI approached, the relationships between the USA and Germany worsened dramatically. Within the USA, an intense debate occurred between 1910 and 1925, and was at times emotional (Anonymous, 1911a;Cushman, 1917;Mitchell, 1911;. Potash was quoted at about US$790/t before the war and peaked at US$7,336/t by 1917 (prices are given in the inflation-adjusted 2014 equivalent) (Cushman, 1917).…”

Section: The Potash Crisis During World War Imentioning

confidence: 99%

“…Within the USA, an intense debate occurred between 1910 and 1925, and was at times emotional (Anonymous, 1911a;Cushman, 1917;Mitchell, 1911;. Potash was quoted at about US$790/t before the war and peaked at US$7,336/t by 1917 (prices are given in the inflation-adjusted 2014 equivalent) (Cushman, 1917). During the fiscal year ending on June 30 th 1914, the USA imported 1,066,929 t of potash to be used as fertilizers.…”

Section: The Potash Crisis During World War Imentioning

confidence: 99%

“…During the subsequent six months, July 1 st -December 31 st 1914, the amount fell to 182,192 t, due to the effects of the German export ban . In 1916 the domestic product of the USA amounted to less than 9,000 t with an estimated need of more than 300,000 t (Cushman, 1917). The dramatic situation is well captured by the patriotic tones of the short pamphlet published by Mitchell in The National Geographic Magazine (Mitchell, 1911).…”

Section: The Potash Crisis During World War Imentioning

confidence: 99%

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Historical and technical developments of potassium resources

Ciceri

Manning

Allanore

2015

Science of The Total Environment

130

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The mining of soluble potassium salts (potash) is essential for manufacturing fertilizers required to ensure continuous production of crops and hence global food security. As of 2014, potash is mined predominantly in the northern hemisphere, where large deposits occur. Production tonnage and prices do not take into account the needs of the farmers of the poorest countries. Consequently, soils of some regions of the southern hemisphere are currently being depleted of potassium due to the expansion and intensification of agriculture coupled with the lack of affordable potash. Moving away from mined salts towards locally available resources of potassium, such as K-bearing silicates, could be one option to improve this situation. Overall, the global potash production system and its sustainability warrant discussion. In this contribution we examine the history of potash production, and discuss the different sources and technologies used throughout the centuries. In particular, we highlight the political and economic conditions that favored the development of one specific technology over another. We identified a pattern of needs driving innovation. We show that as needs evolved throughout history, alternatives to soluble salts have been used to obtain K-fertilizers. Those alternatives may meet the incoming needs of our century, providing the regulatory and advisory practices that prevailed in the 20 th century are revised.

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Section: The Potash Crisis During World War Imentioning

confidence: 99%

Section: The Potash Crisis During World War Imentioning

confidence: 99%

Section: The Potash Crisis During World War Imentioning

confidence: 99%

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