EFFECT OF NITROGEN AND POTASSIUM FERTILIZATION ON YIELD AND QUALITY OF SUGAR BEET IN SOHAG | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 21, Volume 78, Issue 2, July 2000, Page 759-767 PDF (2.58 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejar.2000.322490 | ||||
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| Author | ||||
| ABD-ALLAA M. A. EL-SHAFAI | ||||
| Sugar Crops Research Institute, Agricultural Research Centre, Giza, Egypt | ||||
| Abstract | ||||
| Two field trials were carried out at Shandaweel Rescarch Station (Sohag Governorate) in the two successive growing seasons of 1997/ 1998 and 1998/1999 to study the effect of nine treatments representing the combinations between three nitrogen levels (0,46 and 92 kg N/ fed) and three potassium levels (0,24 and 48 kg K20/fed) on yield and quality of sugar beet variety Del. 939. A complete randomized block design in four replications was used. The obtained results showed that increasing N-level up to 92 kg N/fed increased root fresh weight/plant. root and sugar yield significantly while sucrose percentage decreased. Increasing K-level from zero to 48 kg K20/fed positively increased root fresh weight/plant, sugar yield and sucrose percentage. Root yield insignificantly inceased as K-level increased up to 48 kg K20/fed. Purity percentage was not significantly affected by the applied levels of N and K fertilizers. | ||||
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