A long-term cotton exhaustion trial was conducted on lowland Vertisols and Fluvisols at Werer Agricultural Research Center during the 1968–2002 in Ethiopia to investigate nutrient depletion rate and changes in selected soil chemical properties. Treatments used include cultivated fallow, control, 80kgN ha-1, 80-80 kgNP ha-1, 80-80kgNKha-1 and 80-80-80kgNPKha-1 arranged in RCBD with four and six replications in Vertisols and Fluvisols, respectively. The cotton was grown as a test crop and the status of soil N, P, K, OC, pHe and ECe were periodically monitored every seasons. Seed cotton yield had shown significant response to treatments imposed after 10 and 3 years of continuous cotton mono-cropping, respectively, on Vertisols and Fluvisols, and consistently continued for further 3 consecutive periodical checking years. Then onwards, until the end of the experiment, seed cotton yield didn't showed consistent yield response. Combined analysis revealed highly significant (p < 0.01) yield response to N applications. Despite the long-term continuous mining of soil nutrients through seed cotton harvest and crop residue removal, soil analytical result revealed no indication of depletion in total nitrogen, available K and P. Soil pHe (in both soil types) and ECe only in Fluvisols tend show gradual increase.
Published in | Agriculture, Forestry and Fisheries (Volume 5, Issue 5) |
DOI | 10.11648/j.aff.20160505.14 |
Page(s) | 163-169 |
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), 2016. Published by Science Publishing Group |
Nutrient, Cotton, Long-Term, Exhaustion, Vertisols, Fluvisols
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APA Style
Melese Menaleshoa, Ashenafi Worku, Wondimagegne Chekol, Girma Tadesse. (2016). Effect of Long-Term Continuous Cotton Mono-Cropping on Depletion of Soil NPK and Changes in Some Selected Soil Chemical Characters on Vertisols and Fluvisols. Agriculture, Forestry and Fisheries, 5(5), 163-169. https://doi.org/10.11648/j.aff.20160505.14
ACS Style
Melese Menaleshoa; Ashenafi Worku; Wondimagegne Chekol; Girma Tadesse. Effect of Long-Term Continuous Cotton Mono-Cropping on Depletion of Soil NPK and Changes in Some Selected Soil Chemical Characters on Vertisols and Fluvisols. Agric. For. Fish. 2016, 5(5), 163-169. doi: 10.11648/j.aff.20160505.14
AMA Style
Melese Menaleshoa, Ashenafi Worku, Wondimagegne Chekol, Girma Tadesse. Effect of Long-Term Continuous Cotton Mono-Cropping on Depletion of Soil NPK and Changes in Some Selected Soil Chemical Characters on Vertisols and Fluvisols. Agric For Fish. 2016;5(5):163-169. doi: 10.11648/j.aff.20160505.14
@article{10.11648/j.aff.20160505.14, author = {Melese Menaleshoa and Ashenafi Worku and Wondimagegne Chekol and Girma Tadesse}, title = {Effect of Long-Term Continuous Cotton Mono-Cropping on Depletion of Soil NPK and Changes in Some Selected Soil Chemical Characters on Vertisols and Fluvisols}, journal = {Agriculture, Forestry and Fisheries}, volume = {5}, number = {5}, pages = {163-169}, doi = {10.11648/j.aff.20160505.14}, url = {https://doi.org/10.11648/j.aff.20160505.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20160505.14}, abstract = {A long-term cotton exhaustion trial was conducted on lowland Vertisols and Fluvisols at Werer Agricultural Research Center during the 1968–2002 in Ethiopia to investigate nutrient depletion rate and changes in selected soil chemical properties. Treatments used include cultivated fallow, control, 80kgN ha-1, 80-80 kgNP ha-1, 80-80kgNKha-1 and 80-80-80kgNPKha-1 arranged in RCBD with four and six replications in Vertisols and Fluvisols, respectively. The cotton was grown as a test crop and the status of soil N, P, K, OC, pHe and ECe were periodically monitored every seasons. Seed cotton yield had shown significant response to treatments imposed after 10 and 3 years of continuous cotton mono-cropping, respectively, on Vertisols and Fluvisols, and consistently continued for further 3 consecutive periodical checking years. Then onwards, until the end of the experiment, seed cotton yield didn't showed consistent yield response. Combined analysis revealed highly significant (p < 0.01) yield response to N applications. Despite the long-term continuous mining of soil nutrients through seed cotton harvest and crop residue removal, soil analytical result revealed no indication of depletion in total nitrogen, available K and P. Soil pHe (in both soil types) and ECe only in Fluvisols tend show gradual increase.}, year = {2016} }
TY - JOUR T1 - Effect of Long-Term Continuous Cotton Mono-Cropping on Depletion of Soil NPK and Changes in Some Selected Soil Chemical Characters on Vertisols and Fluvisols AU - Melese Menaleshoa AU - Ashenafi Worku AU - Wondimagegne Chekol AU - Girma Tadesse Y1 - 2016/09/06 PY - 2016 N1 - https://doi.org/10.11648/j.aff.20160505.14 DO - 10.11648/j.aff.20160505.14 T2 - Agriculture, Forestry and Fisheries JF - Agriculture, Forestry and Fisheries JO - Agriculture, Forestry and Fisheries SP - 163 EP - 169 PB - Science Publishing Group SN - 2328-5648 UR - https://doi.org/10.11648/j.aff.20160505.14 AB - A long-term cotton exhaustion trial was conducted on lowland Vertisols and Fluvisols at Werer Agricultural Research Center during the 1968–2002 in Ethiopia to investigate nutrient depletion rate and changes in selected soil chemical properties. Treatments used include cultivated fallow, control, 80kgN ha-1, 80-80 kgNP ha-1, 80-80kgNKha-1 and 80-80-80kgNPKha-1 arranged in RCBD with four and six replications in Vertisols and Fluvisols, respectively. The cotton was grown as a test crop and the status of soil N, P, K, OC, pHe and ECe were periodically monitored every seasons. Seed cotton yield had shown significant response to treatments imposed after 10 and 3 years of continuous cotton mono-cropping, respectively, on Vertisols and Fluvisols, and consistently continued for further 3 consecutive periodical checking years. Then onwards, until the end of the experiment, seed cotton yield didn't showed consistent yield response. Combined analysis revealed highly significant (p < 0.01) yield response to N applications. Despite the long-term continuous mining of soil nutrients through seed cotton harvest and crop residue removal, soil analytical result revealed no indication of depletion in total nitrogen, available K and P. Soil pHe (in both soil types) and ECe only in Fluvisols tend show gradual increase. VL - 5 IS - 5 ER -