Farmers in Goa have been encouraged by officials to follow Vedic Farming techniques by chanting ancient Hindu mantras to ensure better yields.
It doesn’t sound too much different from the talking to your plants methods, used by none other that HRH Prince Charles.
The Indian state agricultural minister inaugurated a Cosmic Framing project , where he maintains that the practice of channelling Shakti (energy) into the soil via the intonations was also useful as an alternative to harmful chemicals.
Maybe mushroom growers can go about chanting in order to improve yields, but Stalker doubts it.