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Prof. Gaber Yehia Mohammed Hammam Gelilah :: Publications:

Effect of planting date, N and P application levels on growth characters of Giza 80 cotton cultivar.
Authors: El-Debaby, A.S.; Hammam, G.Y. and Nagib, M.A.
Year: 1995
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
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Local/International: Local
Paper Link: Not Available
Full paper Gaber Yehia Mohammed Hammam Gelilah_Doc1.pdf
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Two field experiments were carried out during 1988 and 1989 to study the effect of live planting dates (March 15th, April l. April 15th, May l and Ma 15th), three N levels (30,60 and 90kg N fed.) and to P levels (0 and 30 kg P205/fed.) on sorne growth characters of Gua 80 cotton cultivar The results could be summanzed as fol1ois: Germination percentage. plant height and node number of the first fruiting branch increased as a result of late planting. . Days from planting to first flower appearance significantly increased with early planting.. Increasing N level increased plant height and number of days froni planting to the opening of first flower.. P fertilization decreased nurnber of da» from planting to the first flouer opening. . Plant height, node number of first fruiting branch and flowering date significant affected by interaction between sowing date and N lcl . Plant height and flowering date were significant affected b) iig date X P level interaction. The interaction between N lcvcl and P level had significant effect on plant height. Sowing date x N level x P level interaction had significant effect on plant height and flowering date

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