Effect of different level of nitrogen fertilizers and plant spacing in growth characters and yield of egg plant
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2006, Volume 4, Issue 1, Pages 138-145
AbstractThis study was conducted to study the effect of different level of nitrogen fertilizer and plant spacing in growth characteries and yield componence of egg plant in Al- Saklawia in Al-Anbar governor during the growing season 2004. Nitrogen levels were 0 , 40 , 80 and 120kg N/ Donnum and with spacing of 40 , 80 , 120 cm. The experimental design was R.C.B.D. with 3 replicate. The treatment (120 kg N/ Donnum) significantly increased, plant height, dry weight (gm) at a rate of 53.39 % and 63.03% respectively as compared with the control, while the treatment with (40 kg N/ Donnum) significantly increased number of branches / plant at a rate of 38.06%.
There are no significant effect of plant spacing on vegetative growth except as noticeable increases on plant height (cm) number of branches / plant dry weight at a rate of 0.03%, 1.45%, 4.9% respectively.
The effect of different level of nitrogen fertilizer upon the yield and yield componences was shown that the treatment with 120kg N/ Donnum gave the highest number of fruit / plant, weight of fruit, total yields which reached 80.33%, 71.67% and 88.44% respectively. While there were no significant differences between plant spacing in these effects on the yield and yield componence with a noticeable increases in the spacing of 120 cm. as compared with 40 cm .
Using a spacing of 120 cm. and treatment with 120 kg N/ Donnum nitrogen significantly increased plant height (cm), branches / plant, dry weight (gm), number of fruit / plant fruit weight (gm) and total yield ton / Donnum . We can recommended a spacing of 120 cm and fertilizing with 120 kg N/ Donnum nitrogen to give the highest growth and yield per unit area.
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