Supplementation of High Nitrogen Agaricus Compost: Yield and Mushroom Quality

Authors
A. Pardo-Gimenez 1
J. E. Pardo-Gonzalez 2
D. Cunha-Zied 3
1 Center for Research, Experimentation and Services of Mushroom (CIES), Quintanar del Rey, Cuenca, Spain.
2 Higher Technical School of Agricultural Engineers, University of Castilla-La Mancha (UCLM), Albacete, Spain.
3 Experimental Campus of Dracena, State University of São Paulo (UNESP), Dracena, SP, Brazil.
Abstract
Supplementation to increase the quality and yield of white button mushrooms (Agaricus bisporus) consists of the addition of nutrients, particularly proteins, to the compost. In this study, the effect of mushroom cultivation on applying a delayed-release nutrient supplement to Phase II composts was evaluated. Two application dosages and composts with high nitrogen contents were used. Depending on the compost and supplement dosage used, increases in biological efficiency ranging between 6.2 and 22.3% were obtained. An excellent response to supplementation can be obtained even when using composts with high nitrogen contents (in our case, 2.45 and 2.61% sms) during spawning. It is additionally conceivable that the application of supplements to composts with lower N contents or the application to spawned compost would provide an even better yield, without adversely affecting the quality of the harvested mushrooms. This practice is of considerable interest because of the economic benefit.

Keywords

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Journal of Agricultural Science and Technology
Volume 19, Issue 7
November and December 2017
Pages 1589-1601