Fecal sludge-derived pellet fertilizer in maize cultivation-Reference-Cited by-同舟云学术

Fecal sludge-derived pellet fertilizer in maize cultivation

Published:2016-06-30 Issue:3 Volume:6 Page:474-481
ISSN:2043-9083
Container-title:Journal of Water, Sanitation and Hygiene for Development
language:en
Short-container-title:

Author:

Pradhan Surendra K.¹²,Nikiema Josiane¹,Cofie Olufunke O.¹,Heinonen-Tanski Helvi³,Drechsel Pay⁴

Affiliation:

1. International Water Management Institute, PMB, CT 112, Cantonments, Accra, Ghana

2. Department of Built Environment, School of Engineering, Aalto University, P.O. Box 15200, FI-00076, Tietotie 1E, Espoo, Finland

3. Department of Environmental Sciences, University of Eastern Finland, P.O. Box 1627, Kuopio FI-70211, Finland

4. International Water Management Institute, P.O. Box 2075, Colombo, Sri Lanka

Abstract

Fecal sludge (FS) contains significant amounts of plant nutrients and organic matter although it also contains pathogens. Therefore, FS can be used as fertilizer after proper sanitization. This study was designed to test dried fecal sludge (DFS)-based pellet fertilizers on maize cultivation. The DFS fertilizers were produced by composting, co-composting with sawdust, or irradiated by gamma-irradiation, and then nitrogen-enriched and pelletized using gelatinized or gamma-irradiated cassava starch. These DFS pellet fertilizers were compared to each other and to no-fertilization, mineral fertilizer, and agro-industrial waste compost. The fertilizer applications were 150 or 210 kgN/ha. Maize was cultivated in pots containing Cambisol and Ferric Lixisol growth media. The EC-SDFS-PG pellet (DFS + sawdust co-composted, enriched with nitrogen and pelletized) at a rate of 210 kgN/ha produced the highest maize yield (4.4 ton/ha) among all other treatments, while mineral fertilizer produced 3.9 ton/ha. It is concluded that the EC-SDFS-PG pellet produces similar or higher maize yields than mineral fertilizer and more than the agro-industrial compost in both growth media types.

Publisher

IWA Publishing

Subject

Public Health, Environmental and Occupational Health,Pollution,Waste Management and Disposal,Water Science and Technology,Development

Link

http://iwaponline.com/washdev/article-pdf/6/3/474/385888/washdev0060474.pdf

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