Enhancing phosphorus availability in phosphorus-fertilized zones by reducing phosphate adsorbed on ferrihydrite using rice straw-derived biochar

Cui, Hao‐Jie; Wang, Ming Kuang; Fu, Ming‐Lai; Ci, En

doi:10.1007/s11368-011-0405-9

Cited by 209 publications

(104 citation statements)

References 31 publications

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“…According to Khan and Joergensen (2012) and Agegnehu et al (2016), the incorporation of biochar and compost in soil could potentially improve P availability and significantly stimulate P uptake by ryegrass and maize plant, respectively. This was probably due to biochar's liming effects that decreased P fixation by Al and Fe oxide in the soil (Yuan and Xu 2011;Cui et al 2011). In this study, notable pH improvement was observed especially in biochar-compost amendment (pH 6.6) as compared to control treatment (pH 4.4).…”

Section: Discussionmentioning

confidence: 53%

Biochar-compost mixture as amendment for improvement of polybag-growing media and oil palm seedlings at main nursery stage

Radin

Bakar

Ishak

et al. 2017

Int J Recycl Org Waste Agricult

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Purpose Production of oil palm seedling in the nursery mainly utilises top soil as polybag medium. These soils, especially in tropical regions, are acidic and have low organic matter content. The aim of this study was to investigate the effects of oil palm empty fruit bunch (EFB) biochar and compost incorporation as amendment in polybag medium for oil palm seedlings growth at the nursery stage. Methods A polybag experiment was conducted with four biochar rates (0, 0.5, 1.0 and 1.5% w/w C addition), two compost rates (0 and 30% v/v), and two fertiliser application rates (75 and 100% of recommended rate). The effects of biochar, compost, and biochar-compost combination on oil palm seedling growth was evaluated and the effectiveness of EFB biochar in retaining soil nutrients was determined indirectly by measuring amount of nutrient leached through the polybag medium. Results Biochar, compost, and biochar-compost amendment improved polybag media's chemical properties (pH, total C and N, C:N ratio, CEC, Mg, and Ca). There were no significant effects of the amendments on shoot biomass. However, root growth and shoot:root ratio significantly improved with 1.5% w/w C addition and 30% (v/v) compost with 75% recommended fertiliser rates applied. Furthermore, nutrient leaching measurement indicates that, EFB biochar significantly reduced ammonium-N leaching up to 21-46%. Conclusions Overall, this study demonstrates the potential of biochar and compost co-application to improve the chemical properties of polybag medium and root development of oil palm seedlings.

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Section: Discussionmentioning

confidence: 53%

Biochar-compost mixture as amendment for improvement of polybag-growing media and oil palm seedlings at main nursery stage

Radin

Bakar

Ishak

et al. 2017

Int J Recycl Org Waste Agricult

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“…These results are consistent with those of Sarker et al (2014) who determined that an increase of plant-available P status may be related to increase in mineralization of organic P as affected by lime. Also, the obtained results could be explained by the relatively good correlation between organic matter and phosphorus by the interaction of oxides with organic matter that considerably reduces phosphorus binding sites in the former and increases the amount of plant-available P (Heredia, Cirelli, 2007;Cui et al, 2011).…”

Section: Resultsmentioning

confidence: 97%

The distribution of phosphorus forms and fractions in Retisol under different soil liming management

Jokubauskaitė

Karčauskienė

Antanaitis

et al. 2015

Zemdirbyste-Agriculture

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Investigations on phosphorus (P) distribution in a naturally acid and limed moraine loam, Bathypogleyic Dystric Glossic Retisol were conducted in a site of a long-term experiment at the Vėžaičiai Branch of Lithuanian Research Centre for Agriculture and Forestry in 2008 and 2011. The aim of the present study was to determine the distribution of different phosphorus forms and fractions in naturally acid soil limed for a long time (62 years). During this study different amounts (18.4 and 104.9 t ha -1 ) of lime materials were incorporated into the soil and affected the formation of two soil pH KCl levels -acidic (5.6) and near to neutral (6.7). Seven different organic and mineral phosphate fractions and plant-available phosphorus were determined in the soil. The long-term soil liming was found to have no significant effect on the total P content and its distribution, but caused the changes in the proportions between the different phosphorus forms. Major part of mineral (74.02-83.68%) and organic (88.9-93.8%) P was composed of Al and Fe phosphates. Soil liming using ×2.0 liming rates every 3-4 years influenced a significant increase of the phosphates (AlPO 4 and Al(Fe)PO 4 ) little-available to plants obtained by the second cycle of extraction. It was determined that when soil pH becomes near to neutral, water soluble and plant-available P increases compared to its value measured at native pH. Increase of soil pH KCl till 6.7 had a significant effect on the amount of little plant-available Ca phosphates and less soluble organic phosphorus fraction amount in soil. The relatively optimal amounts of phosphorus fractions available for plants were determined in the soil with a pH KCl of 5.6, achieved by liming with a 0.5 rate every 7 years.

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“…Overall, manure-and sludge-based BCs are richer in plant available nutrients as compared to grass-and wood-based BCs, which is mostly a reflection of their original feedstock properties, although C, N, and S losses at high PTs are unavoidable Jensen, 2013b;Subedi et al, 2015Subedi et al, , 2016aSubedi et al, , 2016b. Other nutrients (P, K, Ca, Mg, and Na) found mainly in the ash fraction, are plantavailable depending on the soil-BC matrix, pH, and the presence of chelating substances that regulate their mobilisation (Cui et al, 2011;Wang et al, 2015). Nitrogen content and availability correlates highly to PT, rate of heating, and feedstock type and composition (Wang et al, 2012a;Clough et al, 2013;Subedi et al, 2016b).…”

Section: Referencesmentioning

confidence: 99%

Crop response to soils amended with biochar: expected benefits and unintended risks

et al. 2017

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Biochar (BC) from biomass waste pyrolysis has been widely studied due to its ability to increase carbon sequestration, reduce greenhouse gas emissions, and enhance both crop growth and soil quality. This review summarises the current knowledge of BC production, characterisation, and types, with a focus on its positive effects on crop yield and soil properties vs the unintended risks associated with these effects. Biochar-amended soils enhance crop growth and yield via several mechanisms: expanded plant nutrient and water availability through increased use efficiencies, improved soil quality, and suppression of soil and plant diseases. Yield response to BC has been shown to be more evident in acidic and sandy soils than in alkaline and fine-textured soils. Biochar composition and properties vary considerably with feedstock and pyrolysis conditions so much that its concentrations of toxic compounds and heavy metals can negatively impact crop and soil health. Consequently, more small-scale and greenhouse-sited studies are in process to investigate the role of BC/soil/crop types on crop growth, and the mechanisms by which they influence crop yield. Similarly, a need exists for long-term, field-scale studies on the effects (beneficial and harmful) of BC amendment on soil health and crop yields, so that production guidelines and quality standards may be developed for BCs derived from a range of feedstocks.

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Enhancing phosphorus availability in phosphorus-fertilized zones by reducing phosphate adsorbed on ferrihydrite using rice straw-derived biochar

Cited by 209 publications

References 31 publications

Biochar-compost mixture as amendment for improvement of polybag-growing media and oil palm seedlings at main nursery stage

Biochar-compost mixture as amendment for improvement of polybag-growing media and oil palm seedlings at main nursery stage

The distribution of phosphorus forms and fractions in Retisol under different soil liming management

Crop response to soils amended with biochar: expected benefits and unintended risks

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