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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Evaluation of agro-industrial by-products as nutrient source for plant growth
Archives of Agronomy and Soil Science, Volume 58, No. 4, Year 2012
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Description
Nutrient leaching from dry (COD) and wet (COW) coffee, sisal (SIS), brewery barley malt (BEB) and sugar cane (FIC) by-products, and linseed (LIC) and niger seed cakes (NIC), and uptake by maize were studied in a pot experiment with tropical Alfisol. After three months, soils were leached to recover labile plant nutrients, and root and shoot biomass was harvested. The leachate from FIC-amended soil had the highest concentration of inorganic P (0.90 μmol L-1), whereas the highest concentrations of potassium (K) (48,088 μmol L-1) and calcium (2566 μmol L-1) were determined in leachates from COD and BEB treatments, respectively. The amendments significantly increased K uptake by maize proportional to the amount of K applied, but the effects for other plant nutrients were small. The results indicated that pre-decomposition of agro-industrial by-products may increase the nutrient release in tropical soils. © 2012 Copyright Taylor and Francis Group, LLC.
Authors & Co-Authors
Negassa, W. C.
Ethiopia, Addis Ababa
Debre Zeit Agricultural Research Center
Baum, Christel
Germany, Rostock
Universität Rostock
Leinweber, Peter
Germany, Rostock
Universität Rostock
Statistics
Citations: 3
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1080/03650340.2010.528408
e-ISSN:
14763567
Study Approach
Quantitative
Study Locations
Niger