To investigate the effect of nitrogen fertilizer and planting density on yield and yield components of potato crop (Bubu variety), a field experiment was carried out in Haramaya, Eastern Ethiopia during the rainy season of 2012. The experiment was a 4 x 5 factorial combination and a randomized complete block design with 3 replicates. Treatments included quantity of nitrogen fertilizer (0, 110, 165 and 220 kg N/ha) and planting density (4.17 plant m-2 (80 cm x 30 cm), 4.44 plant m-2 (75 cm x 30 cm), 5.56 plant m-2 (60 cm x 30 cm), 6.67 plant m-2 (60 cm x 25 cm) and 8 plant m-2 (50 cm x 25 cm)). Increasing nitrogen level up to110 kg N/ha lead to more tuber yield, highest stem number, plant height, total dry biomass, total tuber number, large-sized tuber yield (59.01%) and marketable tuber yield. The highest foliar N concentration was recorded at 165 kg N/ha. Increasing planting density resulted in higher tuber yield; total tuber number, total dry biomass yield (%), marketable tuber yield and small-sized tuber yield (16.92%). Highest foliar N concentration was found at the lower planting densities of 4.17 and 4.44 plant m-2. Yield of tuber per hectare was significantly and positively correlated with leaf area index, total tuber number, days to physiological maturity and total dry biomass yield. In conclusion, results of the experiment revealed that 110 kg N/ha and planting density of 6.67 plant m-2 resulted in optimum total (35.50 and 35.66 t/ha, respectively) and marketable tuber yields of the Bubu variety in Haramaya, Eastern Ethiopia during the rainy season.
| Published in | Journal of Plant Sciences (Volume 3, Issue 6) |
| DOI | 10.11648/j.jps.20150306.15 |
| Page(s) | 320-328 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2015. Published by Science Publishing Group |
Haramaya, Potato, Rain-Fed, Yield, Nitrogen Fertilization
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APA Style
Alemayehu Tilahun Getie, Nigussie Dechassa, Tamado Tana. (2015). Response of Potato (Solanum tuberosum L.) Yield and Yield Components to Nitrogen Fertilizer and Planting Density at Haramaya, Eastern Ethiopia. Journal of Plant Sciences, 3(6), 320-328. https://doi.org/10.11648/j.jps.20150306.15
ACS Style
Alemayehu Tilahun Getie; Nigussie Dechassa; Tamado Tana. Response of Potato (Solanum tuberosum L.) Yield and Yield Components to Nitrogen Fertilizer and Planting Density at Haramaya, Eastern Ethiopia. J. Plant Sci. 2015, 3(6), 320-328. doi: 10.11648/j.jps.20150306.15
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Download@article{10.11648/j.jps.20150306.15,
author = {Alemayehu Tilahun Getie and Nigussie Dechassa and Tamado Tana},
title = {Response of Potato (Solanum tuberosum L.) Yield and Yield Components to Nitrogen Fertilizer and Planting Density at Haramaya, Eastern Ethiopia},
journal = {Journal of Plant Sciences},
volume = {3},
number = {6},
pages = {320-328},
doi = {10.11648/j.jps.20150306.15},
url = {https://doi.org/10.11648/j.jps.20150306.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20150306.15},
abstract = {To investigate the effect of nitrogen fertilizer and planting density on yield and yield components of potato crop (Bubu variety), a field experiment was carried out in Haramaya, Eastern Ethiopia during the rainy season of 2012. The experiment was a 4 x 5 factorial combination and a randomized complete block design with 3 replicates. Treatments included quantity of nitrogen fertilizer (0, 110, 165 and 220 kg N/ha) and planting density (4.17 plant m-2 (80 cm x 30 cm), 4.44 plant m-2 (75 cm x 30 cm), 5.56 plant m-2 (60 cm x 30 cm), 6.67 plant m-2 (60 cm x 25 cm) and 8 plant m-2 (50 cm x 25 cm)). Increasing nitrogen level up to110 kg N/ha lead to more tuber yield, highest stem number, plant height, total dry biomass, total tuber number, large-sized tuber yield (59.01%) and marketable tuber yield. The highest foliar N concentration was recorded at 165 kg N/ha. Increasing planting density resulted in higher tuber yield; total tuber number, total dry biomass yield (%), marketable tuber yield and small-sized tuber yield (16.92%). Highest foliar N concentration was found at the lower planting densities of 4.17 and 4.44 plant m-2. Yield of tuber per hectare was significantly and positively correlated with leaf area index, total tuber number, days to physiological maturity and total dry biomass yield. In conclusion, results of the experiment revealed that 110 kg N/ha and planting density of 6.67 plant m-2 resulted in optimum total (35.50 and 35.66 t/ha, respectively) and marketable tuber yields of the Bubu variety in Haramaya, Eastern Ethiopia during the rainy season.},
year = {2015}
}
TY - JOUR T1 - Response of Potato (Solanum tuberosum L.) Yield and Yield Components to Nitrogen Fertilizer and Planting Density at Haramaya, Eastern Ethiopia AU - Alemayehu Tilahun Getie AU - Nigussie Dechassa AU - Tamado Tana Y1 - 2015/12/05 PY - 2015 N1 - https://doi.org/10.11648/j.jps.20150306.15 DO - 10.11648/j.jps.20150306.15 T2 - Journal of Plant Sciences JF - Journal of Plant Sciences JO - Journal of Plant Sciences SP - 320 EP - 328 PB - Science Publishing Group SN - 2331-0731 UR - https://doi.org/10.11648/j.jps.20150306.15 AB - To investigate the effect of nitrogen fertilizer and planting density on yield and yield components of potato crop (Bubu variety), a field experiment was carried out in Haramaya, Eastern Ethiopia during the rainy season of 2012. The experiment was a 4 x 5 factorial combination and a randomized complete block design with 3 replicates. Treatments included quantity of nitrogen fertilizer (0, 110, 165 and 220 kg N/ha) and planting density (4.17 plant m-2 (80 cm x 30 cm), 4.44 plant m-2 (75 cm x 30 cm), 5.56 plant m-2 (60 cm x 30 cm), 6.67 plant m-2 (60 cm x 25 cm) and 8 plant m-2 (50 cm x 25 cm)). Increasing nitrogen level up to110 kg N/ha lead to more tuber yield, highest stem number, plant height, total dry biomass, total tuber number, large-sized tuber yield (59.01%) and marketable tuber yield. The highest foliar N concentration was recorded at 165 kg N/ha. Increasing planting density resulted in higher tuber yield; total tuber number, total dry biomass yield (%), marketable tuber yield and small-sized tuber yield (16.92%). Highest foliar N concentration was found at the lower planting densities of 4.17 and 4.44 plant m-2. Yield of tuber per hectare was significantly and positively correlated with leaf area index, total tuber number, days to physiological maturity and total dry biomass yield. In conclusion, results of the experiment revealed that 110 kg N/ha and planting density of 6.67 plant m-2 resulted in optimum total (35.50 and 35.66 t/ha, respectively) and marketable tuber yields of the Bubu variety in Haramaya, Eastern Ethiopia during the rainy season. VL - 3 IS - 6 ER -
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