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Biochar as soil amendment: impact on chemical properties and corn nutrient uptake in a Podzol


Citation

A. B., Syuhada and Jusop, Shamsuddin and Ishak, Che Fauziah and Abu Bakar, Rosenani and Abdu, Arifin (2016) Biochar as soil amendment: impact on chemical properties and corn nutrient uptake in a Podzol. Canadian Journal of Soil Science, 96 (3). pp. 400-412. ISSN 0008-4271; ESSN: 1918-1841

Abstract / Synopsis

A study was conducted to investigate the impact of biochar amendment on chemical properties and corn nutrient uptake in a sandy Podzol soil. Four rates of biochar (0, 5, 10, and 15 g kg−1) and two rates of inorganic fertilizer (0 and local recommendation rate for corn) were randomly applied to a completely randomized design with four replicates. Corn was grown for 45 d in a glasshouse using sandy Podzol. The increase in pH of the soil was concomitant with a decrease of exchangeable Al. The fertilized soil significantly increased total N, with a concomitant decrease in soil pH due to a N nitrification. Positive changes did occur in the soil due to biochar application, leading to a significant increase in dry matter yield and corn height. Corn N and K uptakes were significantly increased by the addition of biochar, but the same was not true for Ca and Mg. However, it was found that the concentrations of N, Ca, and Mg in the corn tissue were still lower than their critical level. Our results demonstrate that application of biochar alone is not able to supply enough nutrients for the healthy growth of corn.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Forestry
Institute of Tropical Forestry and Forest Products
DOI Number: https://doi.org/10.1139/cjss-2015-0044
Publisher: Agricultural Institute of Canada
Keywords: Empty fruit bunch biochar; Soil properties; Corn; NPK fertilizer; Podzol
Depositing User: Nida Hidayati Ghazali
Date Deposited: 22 Jan 2018 17:39
Last Modified: 22 Jan 2018 17:39
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1139/cjss-2015-0044
URI: http://psasir.upm.edu.my/id/eprint/55202
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