Effect of Ploughing Depths, Irrigation Intervals and Plant Densities on Sugar Beet Yields and Quality تأثير عمق الحرث وفترات الري والکثافة النباتية على انتاجية وجودة نبات بنجر السکر | ||||
| Journal of Plant Production | ||||
| Article 4, Volume 11, Issue 6, June 2020, Page 515-521 PDF (572.73 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2020.106330 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
H. M. Sarhan  1; Maha M. El-Zeny2
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| 1Sugar Crops Research Institute, Agriculture Research Center, Giza, Egypt. | ||||
| 2Sugar Crops Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| Abstract | ||||
| Under field conditions, two trials were performed through two years of 2015/2016 and 2016/2017 at Galia Al-Kobra, Belqas district, Dakahlia Governorate to investigate the effect of four ploughing depths (15, 20, 25 and 30 cm), two irrigation intervals (every 3 and 5 weeks) and three planting hill spacings (15, 20 and 25 cm) resulted in three plants densities (46666, 35000 and 28000 plants/fed) on sugar beet Oscar poly cultivar growth, yields and quality. The factors were set in s strip-split plot design with 4 replicates. Four ploughing depths, 2 irrigation intervals and 3 planting densities were occupied randomly in the vertical, horizontal and sub-plots, correspondingly . The attained outcomes pointed out that all factors under study individually significantly influenced leaf area index, root fresh weight/plant, dimensions of roots and yields/fed as roots and sugar. Contrary of that, % of sucrose and purity were insignificantly affected by ploughing depth treatments in mutually time of years. All the interactions among the three studied factors significantly affected the above mentioned traits in both years. From the achieved results, it could be suggested that ploughing the soil at 30 cm depth and irrigated sugar beet plant every 3 weeks at the medium planting density (35000 plants/fed) resulted from sowing on 20 cm a part between hills to give the utmost yields and quality beneath the ecological circumstances of this study. | ||||
| Keywords | ||||
| sugar beet; ploughing depth; irrigation intervals; plant density; LAI; yields and quality | ||||
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