SynthesisEnvironmental science and pollution research international2021
Could biochar amendment be a tool to improve soil availability and plant uptake of phosphorus? A meta-analysis of published experiments.
Synthesis in Environmental science and pollution research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Long-term agricultural diversification increases financial profitability, biodiversity, and ecosystem services: a second-order meta-analysis.Nature communications · 2026Pooled it
- Temporal dynamics of nutrient elements in biochar and biochar-amended soils over three years: a comparative micro-XRF and SEM-EDX study.Scientific reports · 2026Article
- Enhancing Phosphorus Availability Through Bagasse Biochar Addition and Changes inMicroorganisms · 2026Article
- Effects of Organic Amendments Combined with Mineral Fertilizer on Soil Properties and Crop Yield in a Maize-Soybean Rotation System on Meadow Albic Soil.Plants (Basel, Switzerland) · 2026Article
- Evaluating plant-available P methods and quality characterization of biochar derived from manure and sewage sludge.Environmental geochemistry and health · 2026Article
- Biochar-Assisted Agriculture: From Healthy Soil to Healthy Plants.Plants (Basel, Switzerland) · 2025Review
- Short-Term Alteration of Soil Physicochemical Characteristics Induced by Biochar Application on aScientifica · 2025Article
- Biochar Enhances Soil Resource Availability and Suppresses Microbial Metabolism Genes in the Rhizosphere of Wheat.Life (Basel, Switzerland) · 2023Article
- Exploring biochar and fishpond sediments potential to change soil phosphorus fractions and availability.Frontiers in plant science · 2023Article
- More microbial manipulation and plant defense than soil fertility for biochar in food production: A field experiment of replanted ginseng with different biochars.Frontiers in microbiology · 2022Article
- Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofHorticulture research · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
Abstract
As one of the most important nutrients for plant growth, phosphorus was often poorly available in soil. While biochar addition induced improvement of soil structure, nutrient and water retention as well as microbial activity had been well known, and the effect of biochar soil amendment (BSA) on soil phosphorus availability and plant P uptake had been not yet quantitatively assessed. In a review study, data were retrieved from 354 peer-reviewed research articles on soil available P content and P uptake under BSA published by February 2019. Then a database was established of 516 data pairs from 86 studies with and without BSA in agricultural soils. Subsequently, the effect size of biochar application was quantified relative to no application and assessed in terms of biochar conditions, soil conditions, as well as experiment conditions. In grand mean, there was a significant and great effect of BSA on soil available P and plant P uptake by 65% and 55%, respectively. The effects were generally significant under manure biochar, biochar pyrolyzed under 300 °C, soil pH <5 and fine-textured soil, and soils that are very low in available P. Being significantly correlated to soil P availability (R
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Registered trials
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