OOIR: Observatory of International Research

Papers

(The TQCC of Biochar is 50. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Predicting the effect of dissolved humic acid on sorption of benzotriazole to biochar	462
Silicate minerals control the potential uses of phosphorus-laden mineral-engineered biochar as phosphorus fertilizers	323
Seven years of biochar amendment has a negligible effect on soil available P and a progressive effect on organic C in paddy soils	208
Poultry litter biochar application in combination with chemical fertilizer and Azolla green manure improves rice grain yield and nitrogen use efficiency in paddy soil	197
Characterization of biochars from woody agricultural wastes and sorption behavior comparison of cadmium and atrazine	173
Wood waste biochar promoted anaerobic digestion of food waste: focusing on the characteristics of biochar and microbial community analysis	160
Nitrogen-doped biochars as adsorbents for mitigation of heavy metals and organics from water: a review	106
Biochar granulation reduces substrate erosion on green roofs	106
Post-processing of biochars to enhance plant growth responses: a review and meta-analysis	101
Sorption kinetics of 1,3,5-trinitrobenzene to biochars produced at various temperatures	100
Weak-acid biochar catalyst prepared from mechanochemically-activated biomass and humic acid for production of 5-hydroxymethylfurfural	98
Development of a new hydrophobic magnetic biochar for removing oil spills on the water surface	88
Simultaneous dissipation of trichloroethene and arsenic from co-contaminated groundwater by coupling biodechlorination and biodetoxification with assistance of biochar	79
The stability of carbon from a maize-derived hydrochar as a function of fractionation and hydrothermal carbonization temperature in a Podzol	73
Insights on mechanisms of aluminum phytotoxicity mitigation by canola straw biochars from different regions	72
A critical review of biochar-based nitrogen fertilizers and their effects on crop production and the environment	62
Formable porous biochar loaded with La-Fe(hydr)oxides/montmorillonite for efficient removal of phosphorus in wastewater: process and mechanisms	60
Method to characterize color of biochar and its prediction with biochar yield as model property	60
Pyrolytic synthesis of graphene-encapsulated zero-valent iron nanoparticles supported on biochar for heavy metal removal	57
Carbon-negative cement-bonded biochar particleboards	55
A nanoscale observation to explain the discrepancy of electron exchange capacities between biochar containing comparable surface redox-active moieties	51
Visualizing the development trend and research frontiers of biochar in 2020: a scientometric perspective	50