单词	superphosphate
释义	superphosphate /ˌsuːpəˈfɒsfeɪt / noun [mass noun] A fertilizer made by treating phosphate rock with sulphuric or phosphoric acid.Now is the time to add any of the soil amendments, such as bone meal, blood meal, or superphosphate, that provide a slow, continuous supply of phosphorus.... Add a tablespoon of equal parts bone meal and superphosphate to each hole, then cover the fertilizer with a little sand. Plant from mid-October through November in a loose, fertile soil enriched with bone meal or superphosphate.
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