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Effect of humin-urea-rock phosphate amendment on Bekenu series (Tipik Tualemkuts) soil


Palanivell, Perumal and Kasim, Susilawati and Ahmed, Osumanu Haruna and Nik Ab. Majid, Nik Muhamad (2012) Effect of humin-urea-rock phosphate amendment on Bekenu series (Tipik Tualemkuts) soil. African Journal of Biotechnology, 11 (45). art. no. 908817931240. pp. 10317-10321. ISSN 1684–5315

Abstract / Synopsis

Application of crude humin with urea and Egyptian rock phosphate (ERP) may reduce ammonia loss from urea. This study was conducted to determine the effect of mixing crude humin with urea and ERP on ammonia volatilization and selected soil chemical properties. Crude humin from four different composts was mixed with urea and ERP and ammonia loss from these treatments were evaluated using the closed-dynamic air flow system. Standard procedures were used to determine ammonia loss, soil pH, total nitrogen, exchangeable ammonium, available nitrate, exchangeable phosphorus, cations, organic matter, total organic carbon and cation exchange capacity. Amending urea with crude humin had no effect on total amount of ammonia loss. However, addition of the crude humin significantly increased pH, organic matter, total organic carbon, cation exchange capacity (CEC) and exchangeable cations of Bekenu series (Tipik Tualemkuts). Crude humin from selected waste compost can be used to improve soil chemical properties.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture and Food Sciences
Faculty of Forestry
Publisher: Academic Journals
Keywords: Crude humin; Urea; Rock phosphate; Ammonia loss; Soil chemical properties
Depositing User: Umikalthom Abdullah
Date Deposited: 27 May 2014 13:59
Last Modified: 14 Nov 2017 13:06
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