Integrated application of biochar and chemical fertilizers improves wheat (Triticum aestivum) productivity by enhancing soil microbial activities

Aziz, Muhammad Abdullah; Khan, Khalid Saifullah; Khalid, Rabia; Shabaan, Muhammad; Alghamdi, Abdulaziz G.; Alasmary, Zafer; Majrashi, Mosaed A.

doi:10.1007/s11104-024-06556-3

Cited by 3 publications

(1 citation statement)

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“…To evaluate overall microbial activity, dehydrogenase activity on leaf discs was measured using a spectrophotometric method [59]. For each sample group, three leaf discs were incubated in 400 µL of triphenyltetrazolium chloride (TTC) solution (pH 7.6) in the dark at 30 • C for 24 h, followed by incubation in 4 mL of acetone for 2 h. Three autoclaved leaf discs served as a negative control.…”

Section: Microbial Metabolic Activity Assessmentmentioning

confidence: 99%

Dual Effect of Microplastics and Cadmium on Stream Litter Decomposition and Invertebrate Feeding Behavior

He,

Cai,

Chen

et al. 2024

Water

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This study investigates the combined effect of microplastics and cadmium on the decomposition of litter, the structure of fungal communities, and the feeding behavior of invertebrates in an aquatic ecosystem. Through a series of microcosm experiments, we demonstrate that exposure to MPs and Cd significantly reduced the decomposition of leaf litter. Notably, the cumulative impact of combined MP and Cd exposure was found to be greater than their individual effects. During this process, the carbon–nitrogen ratio of the litter increased, while dehydrogenase activity and fungal biomass were inhibited. Additionally, the relative abundance of Ascomycota and Basidiomycota fungi decreased, weakening their role in the decomposition of leaf litter. Conversely, MPs and Cd reduced the relative content of leaf litter lignin, improving its quality as food, thereby leading to an increase in the feeding rate of invertebrates. This dual effect indicates that micropollutants suppress the decomposition of litter by regulating microbial metabolic activity and fungal community structure but promote invertebrate feeding. Our findings provide crucial insights into the adverse effects of MPs and Cd on the structure and diversity of aquatic fungal communities, which could have long-term impacts on the food webs and nutrient cycling progress of aquatic ecosystems.

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Section: Microbial Metabolic Activity Assessmentmentioning

confidence: 99%