Abstract
A plastic bags trial was conducted at the Agric. Experimental Station of Mansoura University using sandy soil to study the effect of chicken manure levels (0, 5, 10, 15 and 20 tons/fed) and gypsum rates (0, 2.5, 5, 7.5 and 10 tons/fed ) on nutrients uptake and yield of sugar beet plant irrigated with saline water. The experiment was conducted in a spilt plot design with three replicates during the two successive seasons 2007-2008 and 2008-2009 The Obtained results indicated that the yield of sugar beet roots increased significantly by adding chicken manure over the control. The highest level (20 tons/fed) gave 289.9 and 327.1 g/plant during first and second season, respectively. Also, the highest gypsum rate increased significantly root yield to be 307.15 and 341.77 g/plant during first and second season, respectively. Also, elements uptake such as N,P,K and Na were increased significantly over control due to supplying with either chicken manure or gypsum to a sandy soil. The same trend was found with the interaction effect of both treatments. Also, It could be recognized that chicken manure gave relatively higher increase in some characters than gypsum treatments. Data also revealed that root quality parameters such as SC%, TSS%, purity and sugar yield significantly increased with chicken manure over the control by 26.67% and 27.86 for TSS%, 18.96% and 18.74% for SC% and 77.39 and 79.98 g/plant for sugar yield in the 1st and 2nd season, respectively. Whereas, purity as a quality parameter significantly decreased with increasing chicken manure and gypsum treatments due to uneventually increasing for Sc% and TSS% which was not in a harmony which reflecting in decreasing purity. Generally, the interaction between chicken manure and gypsum revealed that the high rate of both chicken manure and gypsum treatments gave the highest root yield, elements uptake (N,P,K and Na) and sugar yield.
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