Please tell me were I could a detailed project report for cultivating button mushroom.

Look this is proffeser saadet büyükalaca.she is the proffesers at cukurova university in turkey and she did her master in the uk about horticulture and she know everything about mushrooms.also you can ask what you want to learn about this matter.I am sure that she can help you.

visit the link
http://www.uaf.edu.pk/ad/a_dept/hort/hort_staff.html

Project Report & Profiles » Plantation Agro Based, Agriculture, Farming, Cultivation, Ginger, Pig, Cattle, Poultry, Goat, Sheep, Coir Pith Products and Mushroom | NIIR