mushroom industry in china small & big business dr dinghuan hu 1 contents general situation 2 changes food consumption 3 impact of wto on agricultural sectors 4 policies 5 security system developing phase and variety the chinese technical transform 1950 1969 extension popularization 1970 1979 all round development 1908 present varieties wild resources northeast region north central east southwest south 6 inner mongolia 7 xinjiang 8 qinghai tibetan plateau utilization species production structure 1mushroom output regions various regional mode fujian