Effect of Nitrogen and Potassium Fertilizers in Cotton  Yield and Yiyld Components of Lichata Variety.

Ali Ahmed, Omar; Ali Ahmed Aljanabi, Muhsin; Any,; Turkey Alma, Abdulmajeed

	Effect of Nitrogen and Potassium Fertilizers in Cotton Yield and Yiyld Components of Lichata Variety.
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 16, Issue 4, 2016, Pages 248-257
Authors
Omar Ali Ahmed; Muhsin Ali Ahmed Aljanabi; ; Abdulmajeed Turkey Alma
Abstract
The study was carried out to investigate effect of Nitrogen and Potassium fertilizers on yield and yield components of cotton (Gossypium hirsutum L.) var. lachata . Field experiment was condected during summer season 2008 , at two location using (R.C.B.D) design with three replications while the Nitrogen fertilizer added at four levels(0, 320, 400, 480 ) kg urea /h. Potassium fertilizer (0, 240 , 360 , 480 ) kg K2SO4 /h, Nitrogen and Potassium fertilizer were added in two doses ,first one at sawing and the second half after Month of seedling stage . Data obtained in this investigation indicated by fallowing: Application of nitrogen and Potassium fertilizer resulte significant differences in yield and yield components in both locations ( number of bolls / plant , total number of bolls , mean weights of bolls , seed index , total yield of cotton seed , percentage of early ripening and net ginning except seed index in second location from Potassium fertilizers . the interaction between Nitrogen and Potassium fertilizers levels was significant in third level of nitrogen and potassium application resulted highest yield of cotton (2620, 45 and 3717,95 kg/h) in the first and second location respectively .
Keywords
Cotton; fertilizer; nitrogen; Potassium

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