noun[mass noun] trademark
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.
- Both the increasing influence of calcium, nitrochalk and potassium and the decreasing influence of phosphate and ammonium salt are well-known.
- For example, ammonium nitrate and limestone blends are prilled for the production of a fertilizer material commonly called nitrochalk, nitrolime or ammonium nitrate-limestone.
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