Interaction between relative humidity and temperature in Pleurotus ostreatus production under natural ventilation, misting and a mixed model
Interacción entre humedad relativa y temperatura en producción de Pleurotus ostreatus bajo ventilación natural, nebulización y modelo mixtoMain Article Content
Context: Pleurotus ostreatus is renowned for its exceptional nutritional and functional value, characterized by high protein content, a low lipid profile, and bioactive compounds with significant antioxidant and anti-inflammatory properties. Mushroom productivity and biological efficiency are heavily dictated by environmental variables, particularly humidity and temperature. Objective: To evaluate the interplay between relative humidity (RH) and ambient temperature on the daily yield of Pleurotus ostreatus cultivated on a wheat straw substrate under natural ventilation conditions in Oxapampa, Peru. Methodology: A quantitative approach was employed using a cross-sectional observational design with repeated measures. The study analyzed 33 experimental units (bags containing 350 g of dry substrate) over 15 consecutive days, during which daily yield, relative humidity, and ambient temperature were systematically recorded. Results: Statistical analysis revealed that relative humidity (RH) exerted a significant positive influence on Pleurotus ostreatus yield, whereas ambient temperature showed no significant independent effect. The findings indicate that cumulative productivity is fundamentally driven by the integrated regulation of the microclimate rather than isolated environmental variables. Conclusions: Relative humidity is the primary determinant of P. ostreatus production; however, its efficacy is modulated by ambient thermal levels. Consequently, the synergistic management of both humidity and temperature is essential for optimizing mushroom yields in cultivation systems relying on natural ventilation.
Contexto: Pleurotus ostreatus destaca por su alto valor nutricional y funcional, incluyendo elevado contenido proteico, compuestos bioactivos con propiedades antioxidantes y antiinflamatorias, y bajo contenido lipídico. La productividad del cultivo depende de factores ambientales, especialmente humedad y temperatura. Objetivo: Evaluar la interacción entre humedad relativa y temperatura ambiental en la producción diaria de Pleurotus ostreatus cultivado sobre sustrato de paja de trigo en condiciones de ventilación natural en Oxapampa, Perú. Metodología: Se empleó un enfoque cuantitativo con diseño observacional transversal y mediciones repetidas. Se analizaron 33 bolsas experimentales de 350 g de sustrato seco durante 15 días consecutivos, registrando producción diaria, humedad relativa y temperatura ambiental. Resultados: La humedad relativa mostró un efecto positivo y significativo sobre la producción de Pleurotus ostreatus, mientras que la temperatura ambiental no presentó un efecto independiente significativo. Se evidenció que la productividad depende de la regulación integrada del microclima. Conclusiones: La humedad relativa constituye el factor principal que determina la producción de Pleurotus ostreatus, aunque su efecto depende del nivel térmico ambiental. La regulación conjunta de la humedad y la temperatura es esencial para optimizar la productividad en condiciones de ventilación natural.
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