[Objective] The paper aimed to study highly efficient utilization of biogas slurry and the effect of highly efficient biogas slurry on vegetables,so as to provide basis for wide and effective application of biogas slu...[Objective] The paper aimed to study highly efficient utilization of biogas slurry and the effect of highly efficient biogas slurry on vegetables,so as to provide basis for wide and effective application of biogas slurry.[Method] Using secondary aerobic fermentation technology,a small amount of humic acid was added to biogas slurry to enhance the biological activity of biogas slurry.Through greenhouse experiment,the effect of highly efficient nutrient solution of biogas slurry on yield and quality of green pepper,tomato and cucumber was studied.[Result] Compared with control and traditional application of biogas slurry,application of highly efficient nutrient solution of biogas slurry increased the yield of green pepper,tomato and cucumber,and the increase extents were 12.4%,47.4%,19.9% and 2.7%,15.9%,9.1%,respectively.Compared with traditional application of biogas slurry,application of highly efficient nutrient solution of biogas slurry significantly increased Vc content of green pepper and cucumber with the increase extent of 16.8% and 43.8%,respectively.[Conclusion] Application of highly efficient nutrient solution of biogas slurry can effectively promote the yield of green pepper,tomato and cucumber and change the qualities of vegetables,and significantly enhance the biological activity of biogas slurry.展开更多
[Objective] The aim was to improve the biogas production rate,and improve the use ratio of rice straws to the furthest.[Method] Single-factor method was adopted to analyze the influence of inoculated amount,total soli...[Objective] The aim was to improve the biogas production rate,and improve the use ratio of rice straws to the furthest.[Method] Single-factor method was adopted to analyze the influence of inoculated amount,total solid content and carbon-nitrogen ratio on biogas production in biogas station of Nanjing University of Technology.[Result] It was found that the most optimum condition was:inoculated amount of 34%,total solid content of 6%,and carbon-nitrogen ratio of 25:1.According to the experimental verification,the total biogas yield in experimental group increased by 27.6% over the control group.[Conclusion] The research provided the reference of the further industrialization production of biogas using straw.展开更多
基金Supported by"Eleventh Five-Year"National Technology Support Program(2008BADC4B17)~~
文摘[Objective] The paper aimed to study highly efficient utilization of biogas slurry and the effect of highly efficient biogas slurry on vegetables,so as to provide basis for wide and effective application of biogas slurry.[Method] Using secondary aerobic fermentation technology,a small amount of humic acid was added to biogas slurry to enhance the biological activity of biogas slurry.Through greenhouse experiment,the effect of highly efficient nutrient solution of biogas slurry on yield and quality of green pepper,tomato and cucumber was studied.[Result] Compared with control and traditional application of biogas slurry,application of highly efficient nutrient solution of biogas slurry increased the yield of green pepper,tomato and cucumber,and the increase extents were 12.4%,47.4%,19.9% and 2.7%,15.9%,9.1%,respectively.Compared with traditional application of biogas slurry,application of highly efficient nutrient solution of biogas slurry significantly increased Vc content of green pepper and cucumber with the increase extent of 16.8% and 43.8%,respectively.[Conclusion] Application of highly efficient nutrient solution of biogas slurry can effectively promote the yield of green pepper,tomato and cucumber and change the qualities of vegetables,and significantly enhance the biological activity of biogas slurry.
基金Suppoted by the National Natural Science Foundation of China(21046004 )the National Key Technology R & D Program(2011BAD15B02)+1 种基金the National Program of Key Basic Research Project (2009CB724700)the Provincial Key Technology R & DProgram (BE20)~~
文摘[Objective] The aim was to improve the biogas production rate,and improve the use ratio of rice straws to the furthest.[Method] Single-factor method was adopted to analyze the influence of inoculated amount,total solid content and carbon-nitrogen ratio on biogas production in biogas station of Nanjing University of Technology.[Result] It was found that the most optimum condition was:inoculated amount of 34%,total solid content of 6%,and carbon-nitrogen ratio of 25:1.According to the experimental verification,the total biogas yield in experimental group increased by 27.6% over the control group.[Conclusion] The research provided the reference of the further industrialization production of biogas using straw.