Considering the constraints due to unavailability of uniform quality chicken manure in local market, three different combinations of wheat and soyabean meal (de-oiled cake) were tested for their ability to affect yield and cost of production of Button Mushroom (Agaricus bisporus). Compost was prepared by mixing 18, 22 and 25% soyabean meal with wheat straw by short method of composting. 80% chi...
