| 释义 |
Definition of nitrochalk in English: nitrochalknounˈnʌɪtrəʊtʃɔːk mass nountrademark A mixture of chalk and ammonium nitrate, used as fertilizer. 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.
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