(Impact of Preceding Crops and Various Fertilizer Applications on Sugar Beet Productivity, Quality, and Economic Return) | ||
| Journal of Sohag Agriscience (JSAS) | ||
| Volume 10, Issue 2, December 2025, Pages 182-200 PDF (980.89 K) | ||
| Document Type: Research and Review Papers | ||
| DOI: 10.21608/jsasj.2025.464135 | ||
| Authors | ||
| Mohamed H. M. Koriem; Wael A. A. Hamd-Alla* | ||
| Crop Intensification Research Department Field Crops Research Institute Agricultural Research Center Giza Egypt | ||
| Abstract | ||
| A field experiment was conducted during the two seasons (2023-24 and 2024-25) under field conditions at Sakha Agricultural Research Station, at Kafr El-Sheikh Governorate, Egypt, to evaluate the effects of preceding summer crops and different fertilizer applications (soil and foliar applications) on sugar beet productivity, quality, and economic return. A strip plot design with three replications was used. The four preceding crops: sesame, maize, soybean and cowpea, were allocated in horizontal plots, while the four fertilizer applications in sugar beet: control, microelements (Fe + Zn + Mn + B), humic acid + molasses and mixed (humic acid + molasses and microelements) were in vertical plots. The results indicated that planting legume crops such as cowpea and soybean before planting sugar beet led to striking improvement in soil N, P, K, OM, and maintained a stable soil pH. In contrast, maize and sesame had little effect on these fertility attributes. Sugar yield after cowpea was 5.74 ton/fed, and root yield was 30.90 ton/fed. In contrast, sesame resulted in the lowest values (e.g., sugar yield: 4.29 ton/fed and root yield: 25.78 ton/fed) over the two seasons, while maize was intermediate between the two legumes and sesame. The highest total income (105331 L.E./fed) and net return (66338 L.E./fed) were obtained with the combination of cowpea with the mixed fertilizer treatment. Therefore, this study recommends that planting sugar beet after cowpea or soybean with mixed fertilizer treatment (humic acid + molasses and microelements) increases sugar beet productivity and economic return. | ||
| Keywords | ||
| Humic acid; microelements; molasses; maize; cowpea | ||
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