EFFECT OF POTASSIUM AND NITROGEN FERTILIZER ON YIELD AND QUALITY OF SUGAR BEET (Beta vulgaris, L.) GROWN AT NORTH DELTA. | ||||
| Journal of Plant Production | ||||
| Article 5, Volume 31, Issue 8, August 2006, Page 4885-4899 PDF (191.17 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2006.236078 | ||||
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| Author | ||||
| E. El. M. EI-Sheref, | ||||
| Dept. of Agronomy, Faculty of Agric. at Kafr El-Sheikh, Tanta University | ||||
| Abstract | ||||
| Two field experiments were carried out at the Experimental Station, Fac. of Agric., Kafr EI-Sheikh, Tanta Univ., during the successive seasons of 2002:2003 and 20032004 to study the response of sugar beet yield and quality to potassium and nitrogen fertilization rates under North Delta conditions. The split plot design with three replicates was used. The main plots were randomly assigned to the three potassium fertilizer rates (24, 36 and 48 kg Kzoifad), whereas the three nitrogen levels (80, 100 and 120 Kg lad) were arranged in the sub-plots. The obtained results could be summarized as follows: 1. On the average root, top and sugar yieldsifad were increased by increasing K rate up to 48 kg Kzolfad, while the soluble non-sugar content, gross and white sugar, loss sugar as well as juice purity were not affected by K application. 2. Increasing nitrogen rate up to 120 kg lad markedly increased diameter, weight of foliage and roots as well as top, root and sugar yields/fad. 3. Generally, it can be concluded that the addition of 48 kg K20 with 120 kg Nifad could be a recommended for raising sugar beet yield and quality under the conditions of North Delta district. | ||||
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