YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM
Ouda, S. (2009). YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM. EKB Journal Management System, 34(4), 3189-3198. doi: 10.21608/jpp.2009.117134
Sohier M. M. Ouda. "YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM". EKB Journal Management System, 34, 4, 2009, 3189-3198. doi: 10.21608/jpp.2009.117134
Ouda, S. (2009). 'YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM', EKB Journal Management System, 34(4), pp. 3189-3198. doi: 10.21608/jpp.2009.117134
Ouda, S. YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM. EKB Journal Management System, 2009; 34(4): 3189-3198. doi: 10.21608/jpp.2009.117134

YIELD AND QUALITY OF TWO SUGAR BEET VARIETIES AS INFLUENCED BY NITROGEN FERTIGATION REGIMES UNDER DRIP – IRRIGATION SYSTEM

Journal of Plant Production
Article 1, Volume 34, Issue 4, April 2009, Page 3189-3198  XML PDF (685.13 K)
Document Type: Original Article
DOI: 10.21608/jpp.2009.117134
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Author
Sohier M. M. Ouda*
Sugar Crops Research Institute, Agric. Res. Center, Giza, Egypt
Abstract
Two  field experiments were conducted on sandy soil at   El-Kassasien Research Station Ismaillia  Governorate, under drip- irrigation system , during the two successive seasons  of 2004/2005 and 2005 /2006 to study the influence of N fertilizer application methods (7 N fertigation treatments) on  yield and quality of two sugar beet varieties   (Atose poly  and Loados). A split-plot design technique was used  to  carry out this trial. The 7 N fertigation treatments were :
Fr1: Applying the N fertilizer through soil + 3 hrs irrigation.
Fr2: 3/4 hrs irrigation + 11/2 hrs fertigation + 3/4  hrs irrigation.
Fr3: 11/2 hrs irrigation + 3/4  hrs fertigation + 3/4  hrs irrigation.
Fr4: 11/2 hrs fertigation + 1 1/2  hrs irrigation.
Fr5: 21/4 hrs irrigation + 3/4  hrs fertigation.
Fr6: 21/4 hrs fertigation + 3/4  hrs irrigation.
Fr7: 3hrs fertigation.
The main plots  were devoted to N fertigation treatments and  the two sugar beet varieties were placed in the sub-plot units.
The important results could be summarized as follow:
1. All fertigation treatments were superior to the non fertigation treatment.
2. The highest values of root, top and sugar yields and root  length were recorded  when Fr6 treatment was applied.
3. The highest value of TSS % were obtained when Fr5 treatment was applied, while the highest value of root diameter was obtained with Fr3.
4. Sucross % and purity % were not significantly affected by all fertigation treatments.
5. Lados  variety surpassed Atose  poly variety for top , root and sugar yields, TSS% , root length and diameter.
Keywords
N fertigation treatments; sugar beet varieties
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