4Banik S, Nandi R. Effect of supplementation of rice straw with biogas residual slurry manure on the yield, protein and mineral contents of oyster mushroom[J].Industrial Crops and Products, 2004, (20):311-319.
5Garg R N, Pathak H, Das D K, et al. Use of flyash and biogas slurry for improving wheat yield and physical properties of soil[J].Environmental Monitoring and Assessment, 2005, (107):1-9.
