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Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3

Cyanobacteria are a cheap source of nitrogen and quite suitable for farmers of developing countries. Although, they live in a diverse range of environments, different environmental variables influence their nitrogen fixing ability. Thus, this study evaluated the effect of pond depth and lining plast...

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Main Authors: Tsedeke, A., Degefu, T., Woldemeskel, Endalkachew, Davis, J.
Format: Journal Article
Language:Inglés
Published: Academic Journals 2016
Subjects:
water
ponds
cyanobacteria
Online Access:https://hdl.handle.net/10568/76482
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author Tsedeke, A.
Degefu, T.
Woldemeskel, Endalkachew
Davis, J.
author_browse Davis, J.
Degefu, T.
Tsedeke, A.
Woldemeskel, Endalkachew
author_facet Tsedeke, A.
Degefu, T.
Woldemeskel, Endalkachew
Davis, J.
author_sort Tsedeke, A.
collection Repository of Agricultural Research Outputs (CGSpace)
description Cyanobacteria are a cheap source of nitrogen and quite suitable for farmers of developing countries. Although, they live in a diverse range of environments, different environmental variables influence their nitrogen fixing ability. Thus, this study evaluated the effect of pond depth and lining plastic colors on nitrogen fixing capacity of Anabaena species strain E3. Factorial combinations of four pond lining plastic colors and two depths were laid out in a complete randomized design with three replications. The ANOVA results revealed that the 20 cm depth pond had a higher mean growth rate (0.063 OD day-1), dissolved oxygen (17.63 mg L-1), dry biomass (0.58 g L-1) and total nitrogen (27.77 mg L-1) than the 40 cm depth. The highest mean growth rate (0.089 OD day-1), dissolved oxygen (19.07 mg L-1), dry biomass (0.66 g L-1) and total nitrogen (41.60 mg L-1) were registered in the treatment with a transparent lining plastic color. Moreover, it was noted that, the test strain under the treatment combinations of 20 cm depth and transparent plastic lining expressed the highest mean optical density (1.227), heterocyst frequency (2.92%) and pH (10.28). Therefore, for mass-production of E3-strain-based biofertilizer, the strain should be grown in ponds of 20 cm depth with transparent plastic.
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language Inglés
publishDate 2016
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spelling CGSpace764822024-04-25T06:01:20Z Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3 Tsedeke, A. Degefu, T. Woldemeskel, Endalkachew Davis, J. water ponds cyanobacteria Cyanobacteria are a cheap source of nitrogen and quite suitable for farmers of developing countries. Although, they live in a diverse range of environments, different environmental variables influence their nitrogen fixing ability. Thus, this study evaluated the effect of pond depth and lining plastic colors on nitrogen fixing capacity of Anabaena species strain E3. Factorial combinations of four pond lining plastic colors and two depths were laid out in a complete randomized design with three replications. The ANOVA results revealed that the 20 cm depth pond had a higher mean growth rate (0.063 OD day-1), dissolved oxygen (17.63 mg L-1), dry biomass (0.58 g L-1) and total nitrogen (27.77 mg L-1) than the 40 cm depth. The highest mean growth rate (0.089 OD day-1), dissolved oxygen (19.07 mg L-1), dry biomass (0.66 g L-1) and total nitrogen (41.60 mg L-1) were registered in the treatment with a transparent lining plastic color. Moreover, it was noted that, the test strain under the treatment combinations of 20 cm depth and transparent plastic lining expressed the highest mean optical density (1.227), heterocyst frequency (2.92%) and pH (10.28). Therefore, for mass-production of E3-strain-based biofertilizer, the strain should be grown in ponds of 20 cm depth with transparent plastic. 2016-07-06 2016-08-16T08:26:36Z 2016-08-16T08:26:36Z Journal Article https://hdl.handle.net/10568/76482 en Open Access Academic Journals Tsedeke, A., Degefu, T., Wolde-Meskel, E. and Davis, J. 2016. Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3. African Journal of Biotechnology 15(27):1442-1451.
spellingShingle water
ponds
cyanobacteria
Tsedeke, A.
Degefu, T.
Woldemeskel, Endalkachew
Davis, J.
Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title_full Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title_fullStr Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title_full_unstemmed Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title_short Effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria, Anabaena sp. E3
title_sort effect of pond depth and lining plastic color on growth and nitrogen fixing capacity of the cyanobacteria anabaena sp e3
topic water
ponds
cyanobacteria
url https://hdl.handle.net/10568/76482
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AT degefut effectofponddepthandliningplasticcolorongrowthandnitrogenfixingcapacityofthecyanobacteriaanabaenaspe3
AT woldemeskelendalkachew effectofponddepthandliningplasticcolorongrowthandnitrogenfixingcapacityofthecyanobacteriaanabaenaspe3
AT davisj effectofponddepthandliningplasticcolorongrowthandnitrogenfixingcapacityofthecyanobacteriaanabaenaspe3

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