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Journal of Scientific Research and  Studies

Journal of Scientific Research and Studies Vol. 4(10), pp. 269-281, October, 2017

ISSN 2375-8791

Copyright 2017

Author(s) retain the copyright of this article


Full Length Research Paper

Enhancement of vegetable plants early growth using products from bacterial degradation of industrial organic wastes


Amal Fadl Abdelkader1,3*, Eman Afkar 1,4 and Aly M. Hafez2

1Department of Biological Sciences, College of Science, King Faisal University, Al-Ahassa-Hufuf, 31982, Saudi Arabia.
2Department of Chemistry, College of Science, King Faisal University, Al-Ahassa-Hufuf, 31982, Saudi Arabia.
3Department of Botany, Faculty of Science, P.O. Box 381, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
4Department of Botany and Microbiology, College of Science, Bani-Suef University, Egypt.

*Corresponding author. E-mail:

Accepted 18 October, 2017




Nutrient supplements in agriculture are crucial for plants healthy growth and for production of high quality yield. The scope of the present study was identifying and evaluating systematically the possible influential role of the isolated S2 and S4 bacteria on degrading the industrial organic wastes such as skins of chicken and skeleton of shrimp and hence, the bacteria role in nutrient production. The possible impact of the produced extracts of nutrient on vegetable plants early growth and on enhancing soil fertility as compost was further studied. The organic compounds, which originated from bacteria-waste degradation, were used in irrigation of one-month grown crop plants in non-fertile or in partially fertile soils. The candidate cultivars were: Solanum melongena, Abelmoschus esculentus, cucurbita pepo and Petroselinum hortense. GC-MS analysis detected volatile organic compounds after wastes degradation using bacteria, such as Nonanal, 6-Ethyl-2-methyldecane, Tridecane, 2, 3, 8-Trimethyldecane, 3-Dodecanamide, 1-cyclopentyl- Decane and Tetradecane. In addition, some nitrogenous and amid compounds were found such as Cyclo(leucyloprolyl), Cyclo(leucyloprolyl) isomers and Hexadecanamide. Irrigated plants with extracts containing these compounds along with S2 and S4 bacteria resulted in upregulation of the overall seedling height, weight and dry matters compared to irrigation using nutrient broth (NB) and mineral salt medium (MSM) extracts. Stepping forward to the environmental and human health sustainability, we emphasize on: (1) substituting the NB synthetic expensive carbon sources with the natural carbon rich chicken and shrimp skins and, (2) using it for safer utilization by cultivated plants and for plants growth improvement.

Key words: Bacteria, biofertilizer, chicken skin, GC-MS, nutrient broth, shrimp skeleton.

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Vol. 4 Issue 10

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