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Pak J Biol Sci. 2013 Aug 1;16(15):711-9.

Productivity and quality of sugar beet as affecting by sowing methods, weed control treatments and nitrogen fertilizer levels.

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Department of Agronomy, Faculty of Agriculture, Mansoura University, Egypt.
Sugar Crops Research Institute, Agriculture Research Center, Giza, Egypt.


Two field experiments were carried out at Kafr El-Hamam Research Station, Zagazig district, Sharkia Governorate, Agricultural Research Center, Egypt, during 2008/2009 and 2009/2010 seasons to study the effect of sowing methods (manual and mechanical), weed control treatments (one hoeing, Goltix 70 WG (metamitron), Goltix+one hoeing and two hoeing) and nitrogen fertilizer levels (60, 80 and 100 kg N/fed) on yield, its components and quality of sugar beet cv. Hanrike. The obtained results could be summarized as follows; Mechanical sowing method of sugar beet significantly surpassed the traditional sowing method in root and foliage fresh weights/plant, root/top ratio, root length and diameter, root, top and sugar yields/fed in both seasons. Sowing methods showed significant effect on TSS, sucrose and purity percentages in both seasons, except purity% in the second season. Controlling weeds by two hand hoeings significantly recorded the highest values of root, top and sugar yields/fed and its components and purity percentage in both seasons. However, the highest percentages of TSS and sucrose were achieved from controlling weed by one hand hoeing in both seasons. Fertilizing sugar beet plants with 100 kg N/fed significantly increased yields and its components and markedly recorded the highest values in both seasons. From the obtained, it can be concluded that sowing sugar beet using mechanical sowing method (planter machine), controlling weeds by hand hoeing and mineral fertilizing with 100 kg N/fed could be recommended in order to maximize its productivity and quality under the environmental conditions of Sharkia Governorate, Egypt.

[Indexed for MEDLINE]

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