Soybean (Glycine max. L) is among the most important legume crops produced in western Ethiopia. However, declining soil fertility and poor soil fertility management practices decrease yields. A field experiment was conducted in Bako Agricultural Research center during 2018 main cropping season to investigate the effect of NPS rates on yield and yield components of soybean varieties and to identify economically feasible rates of blended NPS rate that increase the productivity. Dhidhessa, Ethio-yugoslavia and Wello of soybean varieties and five rates of NPS (0, 50,100,150 and 200 kg ha-1). The experiment was laid out in arrangement in RCBD with three replications. The highest hundred seed weight (16.9g) was recorded from Ethio-yugoslavia and the lowest (15g) from Wello. Significant effect was exhibited on days to 50% flower, above ground biomass yield and seed yield due to main effects of NPS rate. The highest (55.78) and the lowest (53.78) numbers of days to flowering were recorded due to application of 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The tallest (81.63cm) and the shortest (65.60 cm) plants were recorded under 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The highest (8718 kg ha-1) above ground dry mass was obtained at the highest rate of 200 kg NPS ha-1 and the lowest (6910 kg ha-1) was due to 0 kg NPS ha-1. The highest (2763 kgha-1) seed yield was recorded from the application of 100 kgha-1 NPS rate and the lowest (1935kgha-1) seed yield was recorded from nil application of NPS fertilizer rate. The best combination with high grain yield and economic benefit is 100kgha-1 NPS fertilizer rate with Didhessa Variety. The major measured parameters contributing for grain yield were above ground biomass, number of pod per plant and no of primary branch per plant. This experiment generally confirmed as 100kgha-1 NPS for soybean was appropriate. This trial was conducted at strong acid soil, these it is expected as the plants might not have access to use the applied fertilizer and if it was conducted with lime application the responses might be changed. Thus, it can be concluded that combined application of 100 kg ha-1 of blended NPS with Dhidhessa variety could be used at similar agro ecology. However, since the study was conducted for one season at one location, it has to be repeated over seasons and locations to make a conclusive recommendation.
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American Journal of Water Science and Engineering (Volume 5, Issue 4)
This article belongs to the Special Issue Soil, irrigation and Water Management |
| DOI | 10.11648/j.ajwse.20190504.13 |
| Page(s) | 155-161 |
| 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. |
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Copyright © The Author(s), 2019. Published by Science Publishing Group |
Blended Fertilizer, Nitrogen, Phosphorus, Sulfur, Yield Component
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APA Style
Dame Oljirra, Tasisa Temesgen. (2019). Responses of Soybean (Glycine max L.) Varieties to NPS Fertilizer Rates at Bako, Western Ethiopia. American Journal of Water Science and Engineering, 5(4), 155-161. https://doi.org/10.11648/j.ajwse.20190504.13
ACS Style
Dame Oljirra; Tasisa Temesgen. Responses of Soybean (Glycine max L.) Varieties to NPS Fertilizer Rates at Bako, Western Ethiopia. Am. J. Water Sci. Eng. 2019, 5(4), 155-161. doi: 10.11648/j.ajwse.20190504.13
AMA Style
Dame Oljirra, Tasisa Temesgen. Responses of Soybean (Glycine max L.) Varieties to NPS Fertilizer Rates at Bako, Western Ethiopia. Am J Water Sci Eng. 2019;5(4):155-161. doi: 10.11648/j.ajwse.20190504.13
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Download@article{10.11648/j.ajwse.20190504.13,
author = {Dame Oljirra and Tasisa Temesgen},
title = {Responses of Soybean (Glycine max L.) Varieties to NPS Fertilizer Rates at Bako, Western Ethiopia},
journal = {American Journal of Water Science and Engineering},
volume = {5},
number = {4},
pages = {155-161},
doi = {10.11648/j.ajwse.20190504.13},
url = {https://doi.org/10.11648/j.ajwse.20190504.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajwse.20190504.13},
abstract = {Soybean (Glycine max. L) is among the most important legume crops produced in western Ethiopia. However, declining soil fertility and poor soil fertility management practices decrease yields. A field experiment was conducted in Bako Agricultural Research center during 2018 main cropping season to investigate the effect of NPS rates on yield and yield components of soybean varieties and to identify economically feasible rates of blended NPS rate that increase the productivity. Dhidhessa, Ethio-yugoslavia and Wello of soybean varieties and five rates of NPS (0, 50,100,150 and 200 kg ha-1). The experiment was laid out in arrangement in RCBD with three replications. The highest hundred seed weight (16.9g) was recorded from Ethio-yugoslavia and the lowest (15g) from Wello. Significant effect was exhibited on days to 50% flower, above ground biomass yield and seed yield due to main effects of NPS rate. The highest (55.78) and the lowest (53.78) numbers of days to flowering were recorded due to application of 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The tallest (81.63cm) and the shortest (65.60 cm) plants were recorded under 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The highest (8718 kg ha-1) above ground dry mass was obtained at the highest rate of 200 kg NPS ha-1 and the lowest (6910 kg ha-1) was due to 0 kg NPS ha-1. The highest (2763 kgha-1) seed yield was recorded from the application of 100 kgha-1 NPS rate and the lowest (1935kgha-1) seed yield was recorded from nil application of NPS fertilizer rate. The best combination with high grain yield and economic benefit is 100kgha-1 NPS fertilizer rate with Didhessa Variety. The major measured parameters contributing for grain yield were above ground biomass, number of pod per plant and no of primary branch per plant. This experiment generally confirmed as 100kgha-1 NPS for soybean was appropriate. This trial was conducted at strong acid soil, these it is expected as the plants might not have access to use the applied fertilizer and if it was conducted with lime application the responses might be changed. Thus, it can be concluded that combined application of 100 kg ha-1 of blended NPS with Dhidhessa variety could be used at similar agro ecology. However, since the study was conducted for one season at one location, it has to be repeated over seasons and locations to make a conclusive recommendation.},
year = {2019}
}
TY - JOUR T1 - Responses of Soybean (Glycine max L.) Varieties to NPS Fertilizer Rates at Bako, Western Ethiopia AU - Dame Oljirra AU - Tasisa Temesgen Y1 - 2019/11/27 PY - 2019 N1 - https://doi.org/10.11648/j.ajwse.20190504.13 DO - 10.11648/j.ajwse.20190504.13 T2 - American Journal of Water Science and Engineering JF - American Journal of Water Science and Engineering JO - American Journal of Water Science and Engineering SP - 155 EP - 161 PB - Science Publishing Group SN - 2575-1875 UR - https://doi.org/10.11648/j.ajwse.20190504.13 AB - Soybean (Glycine max. L) is among the most important legume crops produced in western Ethiopia. However, declining soil fertility and poor soil fertility management practices decrease yields. A field experiment was conducted in Bako Agricultural Research center during 2018 main cropping season to investigate the effect of NPS rates on yield and yield components of soybean varieties and to identify economically feasible rates of blended NPS rate that increase the productivity. Dhidhessa, Ethio-yugoslavia and Wello of soybean varieties and five rates of NPS (0, 50,100,150 and 200 kg ha-1). The experiment was laid out in arrangement in RCBD with three replications. The highest hundred seed weight (16.9g) was recorded from Ethio-yugoslavia and the lowest (15g) from Wello. Significant effect was exhibited on days to 50% flower, above ground biomass yield and seed yield due to main effects of NPS rate. The highest (55.78) and the lowest (53.78) numbers of days to flowering were recorded due to application of 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The tallest (81.63cm) and the shortest (65.60 cm) plants were recorded under 200 kg NPS ha-1 and 0 kg NPS ha-1, respectively. The highest (8718 kg ha-1) above ground dry mass was obtained at the highest rate of 200 kg NPS ha-1 and the lowest (6910 kg ha-1) was due to 0 kg NPS ha-1. The highest (2763 kgha-1) seed yield was recorded from the application of 100 kgha-1 NPS rate and the lowest (1935kgha-1) seed yield was recorded from nil application of NPS fertilizer rate. The best combination with high grain yield and economic benefit is 100kgha-1 NPS fertilizer rate with Didhessa Variety. The major measured parameters contributing for grain yield were above ground biomass, number of pod per plant and no of primary branch per plant. This experiment generally confirmed as 100kgha-1 NPS for soybean was appropriate. This trial was conducted at strong acid soil, these it is expected as the plants might not have access to use the applied fertilizer and if it was conducted with lime application the responses might be changed. Thus, it can be concluded that combined application of 100 kg ha-1 of blended NPS with Dhidhessa variety could be used at similar agro ecology. However, since the study was conducted for one season at one location, it has to be repeated over seasons and locations to make a conclusive recommendation. VL - 5 IS - 4 ER -
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