Home Articles List Article Information
Egyptian Journal of Agricultural Research
Journal Archive
Volume Volume 103 (2025)
Volume Volume 102 (2024)
Volume Volume 101 (2023)
Volume Volume 100 (2022)
Volume Volume 99 (2021)
Volume Volume 98 (2020)
Volume Volume 97 (2019)
Volume Volume 96 (2018)
Volume Volume 95 (2017)
Volume Volume 94 (2016)
Volume Volume 93 (2015)
Volume Volume 92 (2014)
Volume Volume 91 (2013)
Volume Volume 90 (2012)
Volume Volume 89 (2011)
Volume Volume 88 (2010)
Volume Volume 87 (2009)
Volume Volume 86 (2008)
Volume Volume 85 (2007)
Volume Volume 84 (2006)
Volume Volume 83 (2005)
Volume Volume 82 (2004)
Volume Volume 81 (2003)
Volume Volume 80 (2002)
Volume Volume 79 (2001)
Volume Volume 78 (2000)
Volume Volume 77 (1999)
Volume Volume 76 (1998)
Volume Volume 75 (1997)
Volume Volume 74 (1996)
Volume Volume 73 (1995)
Volume Volume 72 (1994)
SABRA, I., ABDEL - WARETH, H. (2013). ENUMERATION OF RHIZOBACTERIA COUNT AND GROWTH CRITERIA OF SUGAR BEET PLANT AS AFFECTED BY BIO FERTILIZATION. Egyptian Journal of Agricultural Research, 91(2), 657-673. doi: 10.21608/ejar.2013.163981
IBRAHEM M. SABRA; HAMADA M. ABDEL - WARETH. "ENUMERATION OF RHIZOBACTERIA COUNT AND GROWTH CRITERIA OF SUGAR BEET PLANT AS AFFECTED BY BIO FERTILIZATION". Egyptian Journal of Agricultural Research, 91, 2, 2013, 657-673. doi: 10.21608/ejar.2013.163981
SABRA, I., ABDEL - WARETH, H. (2013). 'ENUMERATION OF RHIZOBACTERIA COUNT AND GROWTH CRITERIA OF SUGAR BEET PLANT AS AFFECTED BY BIO FERTILIZATION', Egyptian Journal of Agricultural Research, 91(2), pp. 657-673. doi: 10.21608/ejar.2013.163981
SABRA, I., ABDEL - WARETH, H. ENUMERATION OF RHIZOBACTERIA COUNT AND GROWTH CRITERIA OF SUGAR BEET PLANT AS AFFECTED BY BIO FERTILIZATION. Egyptian Journal of Agricultural Research, 2013; 91(2): 657-673. doi: 10.21608/ejar.2013.163981

ENUMERATION OF RHIZOBACTERIA COUNT AND GROWTH CRITERIA OF SUGAR BEET PLANT AS AFFECTED BY BIO FERTILIZATION

Article 21, Volume 91, Issue 2, June 2013, Page 657-673  XML PDF (465.87 K)
Document Type: Original Article
DOI: 10.21608/ejar.2013.163981
View on SCiNiTO View on SCiNiTO
Authors
IBRAHEM M. SABRA; HAMADA M. ABDEL - WARETH
Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
Abstract
Two field experiments were carried out at Sakha Agricultural Research Station, Kafer El-Sheikh governorate, Egypt during the two successive winter seasons of 2006/2007 and 2007/2008.Obtained results showed that increasing the applied level of nitrogen significantly increased root length, diameter, leaves and root fresh weight/plant. Using three N-fixing bacterial strains namely Azotobacter chroococcum, Bacillus polymyxa and Azospirillum brasilense recorded the highest values of root length, root diameter, leaves and root fresh weight/plant. Most of mineral nitrogen and N-fixing bacteria insignificantly affected juice impurities. The values of Log number of the tested bacteria at zero time were 3.65, 4.59, 3.7, 2.32 and 3.26, 3.32 for the 1st and 2nd seasons, for Azotobacter spp, Bacillus spp Azospirillum spp, and total bacteria counts, respectively. Results showed that in the first season inoculation with mixed bacteria was the superior treatment in increasing the log numbers of the tested bacteria which presented 6.23, 5.78, 5.45 and 5.63, 5.52, 5.75 after 120 and 180days for Azotobacter chroococcum, Bacillus polymyxa and Azospirillum brasilense, respectively.
Keywords
RHIZOBACTERIA COUNT; BIOFERTILIZATION
Statistics
Article View: 130
PDF Download: 319