Get your compost samples analysed for moisture, pH and presence of ammonia, if any, before spawning.
Maintain proper temperature, humidity and CO2 level inside the growing rooms of button mushroom.
Provide proper ventilation in the cropping rooms during fruiting initiation and cropping stages.
Spray Chlorothalonil @ 0.05% if any growth of competitor mould is visible on mushroom beds.
Maintain proper hygienic conditions in and around mushroom growing rooms.