Nutrient supplements that influence later break yield of Agaricus bisporus

David M. Beyer, Harry Muthersbaugh

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Nutrient depletion and accumulation of toxic metabolites in compost are believed to be limiting factors and responsible for decreased yields as a mushroom crop ages. The objective of this study was to determine whether mineral nutrients limited later break yield of Agaricus bisporus in compost supplemented with additional protein-lipid rich supplements. Unsupplemented compost receiving rock phosphate or hypnum peat did not have a significant increase in later break yield. However, rock phosphate, sodium phosphate and hypnum peat added to protein-lipid rich, delayed release supplemented compost at spawning increased yield in later breaks. These results suggest the nutrient requirement satisfied by a protein-lipid rich, delayed release supplement was a prerequisite for supplementary phosphorous or hypnum peat to increase later break yields.

Original languageEnglish (US)
Pages (from-to)835-840
Number of pages6
JournalCanadian Journal of Plant Science
Issue number4
StatePublished - Oct 1996

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science
  • Horticulture


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