noun
EXAMPLES FROM CORPUS
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Potash shortage is often an induced condition caused by too much nitrogen reducing the potash content to an unbalanced proportion.
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A suitable high potash alternative is tomato food.
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Apple trees require plenty of potash and nitrogen, especially if the area is grassed over.
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Give a little extra nitrogen to blackcurrants and cooking apples; extra potash to gooseberries and red and white currants.
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Soap was locally made from animal fat and lime mixed with potash derived from the burning of green bracken.
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Spence's product was an ammonium alum which gradually displaced the potash alum which had been made principally at Whitby.
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The hydroelectric scheme may involve the potash industry in an extra expense.
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This has led to a shift away from the traditional use of phosphate and potash .