15%-30% of output could be hiked after the application of the production promoter.
1. Formula: 1% Naphthylacetic acid, 14% Boric acid, 20% Zinc sulfate, 26% Magnesium sulfate and 39% starch. You could fully mix all the ingredients, or store them in glass bottles or plastic bags in accordance with the weight of 50g per portion.
2. Application method: Before the formation of sporocarps, apply it in accordance with water-spraying. You could combine with 50 liters of water in each 50g of material. After the dilution, spray it to fungus sacks.