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<p>We have applied four different agricultural waste biomass supplements at 2.5 and 5.0 t ha-1 in this experiment. Buckwheat stover biomass (BWB) had the lowest microbial biomass carbon content, while rice straw biomass (RSB), soybean stover biomass (SSB), and millets biomass (MTB) had the highest. Exception for rice biomass, where dehydrogenase activity dropped, the dehydrogenase activity in each biochar treatment and control increased noticeably as the number of incubation days increased. In comparison to the control, the application of biomass to the soil raised the levels of acid phosphatase. At 5.0 t ha-1, the greatest alkaline phosphatase levels were detected in SSB and were 24.88, 29.83, 37.73, 68.22, and 82.78 at 1, 7, 30, 60, and 90 days of incubation, respectively. The addition of biomass residue increased soil protease enzyme activity, possibly as a result of increased inorganic nitrogen accessibility. Greater biomass concentrations were boosted more than lower ones, as seen by the greater biological indicator at 5.0 t/ha biomass incorporation rate compared to 2.5 t/ha. The study clearly shows that adding biomass from crop waste to soils may have a great potential for enhancing enzyme activities, which are crucial markers of soil quality and, in turn, biogeochemical cycles.</p>

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Valorization analysis towards application of biomass prepared using crop residue on soil enzymatic activity

  • 期刊论文

  • 发表日期：

    2025年9月22日

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  • Shaon Kumar Das

摘要

We have applied four different agricultural waste biomass supplements at 2.5 and 5.0 t ha-1 in this experiment. Buckwheat stover biomass (BWB) had the lowest microbial biomass carbon content, while rice straw biomass (RSB), soybean stover biomass (SSB), and millets biomass (MTB) had the highest. Exception for rice biomass, where dehydrogenase activity dropped, the dehydrogenase activity in each biochar treatment and control increased noticeably as the number of incubation days increased. In comparison to the control, the application of biomass to the soil raised the levels of acid phosphatase. At 5.0 t ha-1, the greatest alkaline phosphatase levels were detected in SSB and were 24.88, 29.83, 37.73, 68.22, and 82.78 at 1, 7, 30, 60, and 90 days of incubation, respectively. The addition of biomass residue increased soil protease enzyme activity, possibly as a result of increased inorganic nitrogen accessibility. Greater biomass concentrations were boosted more than lower ones, as seen by the greater biological indicator at 5.0 t/ha biomass incorporation rate compared to 2.5 t/ha. The study clearly shows that adding biomass from crop waste to soils may have a great potential for enhancing enzyme activities, which are crucial markers of soil quality and, in turn, biogeochemical cycles.