Two field trials were conducted at Shandaweel Research Station, Souhag Governorate for two successive seasons 1993/94 and 1994/95, to investigate the influence of planting system [one and half drills of three budded sugar cane cuttings (37800 buds/fed), double drills (50400 buds/fed)] and nitrogen fertilization levels (150, 190 and 230 kg N/fed) on yield and quality of the two sugar cane varieties (F 153, Giza 74-961).
A split plot design with 4 replications was used in this study where varieties were allocated in the main plots and six treatments of the combination between planting densities and N fertilization levels were random distributed at in the sub plot.
The obtained results showed that F-153 sugar cane variety tend to produced higher number of millable cane than G. 74-96 variety in the two growing seasons, without significant differences. Also, results indicated that F-153 sugar cane variety outyielded G. 74-96 variety in cane yield as well as sugar yield tons/fed with significant differences in the second season.
Planting density slightly and insignificantly affected the number of millable cane, cane yield and sugar yield per feddan in the two seasons. However, slight increase was produced by growing double drills compared with 1-5 drill.
Concerning the effect of N fertilization levels on number of millable cane, cane yield and sugar yield (tons/fed) were not significantly affected in the two seasons respectively. The increase in N levels from 150 to 190 and up to 230 kg /fed increased cane yield by 10.66 % and 5.25 %, in the first seasons, corresponding to 1.57 and 0.66 % in the second season. However, the highest sugar yield (7.238 tons/fed), was obtained by the application of 190 kg N/ fed in the first season. Whereas the application of 230 kg N/fed recorded the highest sugar yield (7.077 ton/fed) in the second season.
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