A mixture of chalk and ammonium nitrate, used as fertilizer.
白垩硝，钾铵硝石
Example sentencesExamples
For example, ammonium nitrate and limestone blends are prilled for the production of a fertilizer material commonly called nitrochalk, nitrolime or ammonium nitrate-limestone.
Over-limed soils or those heavily dressed with nitrochalk are also at risk from Zn / Co unavailability.
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.
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.