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Effect of different biochars on acid soil and growth parameters of rice plants under aluminium toxicity
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Effect of different biochars on acid soil and growth parameters of rice plants under aluminium toxicity
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Journal Article
Effect of different biochars on acid soil and growth parameters of rice plants under aluminium toxicity
2020
Overview
Biochar is known to decrease the soil acidity and in turn enhance the plant growth by increasing soil fertility. Major objective of the present work was to understand the effect of biochar treatment on alleviation of soil aluminium (Al) toxicity and its role in enhancing plant growth parameters. Soil incubation study was conducted to understand the effect of biochar (
Eucalyptus
wood, bamboo, and rice husk) on soil pH, soluble and exchangeable Al in soil with and without Al addition. Another independent pot experiment with rice crop (
Oryza sativa
L.
var
.
Anagha
) was carried out for 120 days to examine the effect of biochars on soil properties and growth parameters of rice plants. Wood biochar application to soil at 20 t ha
−1
was found to be highly consistent in decreasing soil acidity and reducing soluble and exchangeable Al under both studies. We conclude that wood biochar at higher dose performed better in reducing soluble and exchangeable Al in comparison to other biochars indicating its higher ameliorating capacity. However, rice husk biochar was effective under Al untreated soil, indicating the role of Si-rich biochars in enhancing plant growth.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
