Screening of New Substrate Formula for Agaricus bisporus
In order to develop local material resources in Zhangzhou City and explore the substrate formula for best Agaricus bisporus cultivation efficiency,the fomulas with different proportions of 2 kinds of wood rotting mushroom residue and Wanglao-ji tea residue were designed,and the screened tea residue formula in previous stage was took as the control.The effects of test formulas on the growth of mycelium,the yield and the commercial characteristics were investigated,and the correlation analysis was conducted.The results showed that the mycelium in the tested substrate formulas was dense and white,with strong growth and fast growth rate,the button apearing time and harvest time were 2-3 days earlier than the control group.However,the fruit-ing density was large,and the fruit body was small.The average weight of single fruit body,the thickness of the cap,the diame-ter of the cap,and the diameter of the stalk were all smaller than the control group,with no significant difference.The total yield of formula 2 was the highest,which was 23.55 kg·m-2,18.70％higher than the control group(19.84 kg·m-2).The net in-come of formula 2 was the highest,reaching 27.42 yuan/m2,26.68 yuan/m2 higher than the control group.Considering the full bed time,yield,and economic benefits of A.bisporus cultivated with Wanglaoji tea residue,formula 2 was the optimal one in production,which was Pleurotus eryngii residue 15％,Flammulina velutipes residue 25％,Wanglaoji tea residue 60％,the car-bon nitrogen ratio of this formula is 15.58:1.00.
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