EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY
Abd EI-Salam,, A., EI-Menshawi, M., EI-Kashlan, M. (2003). EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY. EKB Journal Management System, 28(6), 4361-4373. doi: 10.21608/jpp.2003.244641
A. M. Abd EI-Salam,; M. E. EI-Menshawi; M. K. EI-Kashlan. "EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY". EKB Journal Management System, 28, 6, 2003, 4361-4373. doi: 10.21608/jpp.2003.244641
Abd EI-Salam,, A., EI-Menshawi, M., EI-Kashlan, M. (2003). 'EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY', EKB Journal Management System, 28(6), pp. 4361-4373. doi: 10.21608/jpp.2003.244641
Abd EI-Salam,, A., EI-Menshawi, M., EI-Kashlan, M. EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY. EKB Journal Management System, 2003; 28(6): 4361-4373. doi: 10.21608/jpp.2003.244641

EFFECT . OF SOME NITROGEN SOURCES, NITROGEN DOSES AND TIME OF SPLITTING ON YIELD AND QUALlliY OF EGYPTIAN COTTON UNDER SOIL SALINITY

Journal of Plant Production
Article 8, Volume 28, Issue 6, June 2003, Page 4361-4373  XML PDF (825 K)
Document Type: Original Article
DOI: 10.21608/jpp.2003.244641
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Authors
A. M. Abd EI-Salam,; M. E. EI-Menshawi; M. K. EI-Kashlan
Cotton Physiology Section, Agriculture Research Center, Giza, Egypt
Abstract
Two field experiments were carried out at EI-Se/W Agricultural Experim?nt
Stalion during 2001 and 2002 seasons to evaluate the effect of three differ,nt
nitrogen sources; namery ammonium sulpha te, urea and ammonium nllrat'! at two
rates (60 and 90 kg rmed.) and three splitting N doses and their interaction on yield
and Quality ot EgypUan cotton (Giza 86). A split sp'it-plot dMign wi\h 4 replicates as
used. The results obtained could be summarized as follows:
Nitrogen sources had a significant effect on planl height. number ot fruitln9
branches, number of open boUa(plant, boll weight, seed index. lint percentage,
earliness %. seed cotton yieldlfed, protein percentage, oil percentage, tbtal
chlorophyll and nitrogen content in cotton leaves. Increasing N-rafes up to 190
ItglNJfed. significantly increased plant height, number 01 lruiling branches. number ot
open bOils per plant. seed index. lint percentage, earliness percentage. Splitting N
sources three times markedly inC/eased plant height, number of open bolls per plant,
bOll weight. earliness percentage and seed cotton yield kentsr per Ieddan. The
Inleraction between N sources and N rates had slgnificanl effecl on number of open
bOlls/plent, earliness %. prolein %, 011 % and total chlorophyll in ecucn leaves. while
the interaction between N sources and number of N additions had a significant effect
on earliness percentage and total chlorophyll in cotton leaves in 2001 season only.
The interaction between N sources l( N rates x number of N additions had significant
effect on earliness %.
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