Definition of nitrochalk in English:



  • [mass noun] A mixture of chalk and ammonium nitrate, used as fertilizer.

    • ‘Over-limed soils or those heavily dressed with nitrochalk are also at risk from Zn / Co unavailability.’
    • ‘Research has shown that for autumn sowings of onions, a lack of nitrogen in early spring can also induce bolting, so topdressing such crops with 70-100g per sq m of nitrochalk in January is helpful.’
    • ‘For example, ammonium nitrate and limestone blends are prilled for the production of a fertilizer material commonly called nitrochalk, nitrolime or ammonium nitrate-limestone.’
    • ‘Marginal parks are dressed with nitrochalk in mid April and selected areas receive compound fertiliser in May/early June.’
    • ‘Both the increasing influence of calcium, nitrochalk and potassium and the decreasing influence of phosphate and ammonium salt are well-known.’