Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal

This study is carried out to estimate the potential evapotranspiration (PET) and crop coefficient (Kc) for Wheat, BL3235 variety. A lysimeter is installed to estimate PET at the experimental farm of Agricultural Research Center of Bhairahawa,which is located in western part of Nepal. The Blaney-Crid...

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Main Author: Govinda Bhandari
Format: Article
Language:English
Published: Islamic Azad University 2012-03-01
Series:International Journal of Agricultural Management and Development
Subjects:
Online Access:http://www.ijamad.com/2(no1)/IJAMAD5-2(1).pdf
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author Govinda Bhandari
author_facet Govinda Bhandari
author_sort Govinda Bhandari
collection DOAJ
description This study is carried out to estimate the potential evapotranspiration (PET) and crop coefficient (Kc) for Wheat, BL3235 variety. A lysimeter is installed to estimate PET at the experimental farm of Agricultural Research Center of Bhairahawa,which is located in western part of Nepal. The Blaney-Criddleformula is used to estimate the Kc for wheat. The estimatedvalues of PET and Kc for wheat at the four crop growth stages(initial, crop development, mid season/reproductive and lateseason/maturity) are 3.5 cm, 7.82 cm, 11.3 cm, 1.16 cm and0.34, 0.67, 0.73, 0.06 respectively. The total value of PET andaverage value of Kc for Wheat is 23.78 cm and 0.45. Aridityindex (AI), the ratio of precipitation to PET, is an important parameter to determine the dryness of a region. The average valueof AI at the Wheat growing season (January to April, 2011) inBhairahawa is 0.39, and is classified as a semiarid region.
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spelling doaj.art-9441f2ea005b4e39a7adea0b34d2efd12022-12-21T21:52:07ZengIslamic Azad UniversityInternational Journal of Agricultural Management and Development2159-58522159-58602012-03-01214147Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of NepalGovinda BhandariThis study is carried out to estimate the potential evapotranspiration (PET) and crop coefficient (Kc) for Wheat, BL3235 variety. A lysimeter is installed to estimate PET at the experimental farm of Agricultural Research Center of Bhairahawa,which is located in western part of Nepal. The Blaney-Criddleformula is used to estimate the Kc for wheat. The estimatedvalues of PET and Kc for wheat at the four crop growth stages(initial, crop development, mid season/reproductive and lateseason/maturity) are 3.5 cm, 7.82 cm, 11.3 cm, 1.16 cm and0.34, 0.67, 0.73, 0.06 respectively. The total value of PET andaverage value of Kc for Wheat is 23.78 cm and 0.45. Aridityindex (AI), the ratio of precipitation to PET, is an important parameter to determine the dryness of a region. The average valueof AI at the Wheat growing season (January to April, 2011) inBhairahawa is 0.39, and is classified as a semiarid region.http://www.ijamad.com/2(no1)/IJAMAD5-2(1).pdfPotential evapotranspirationCrop coefficientAridity indexWheatLysimeterNepal
spellingShingle Govinda Bhandari
Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
International Journal of Agricultural Management and Development
Potential evapotranspiration
Crop coefficient
Aridity index
Wheat
Lysimeter
Nepal
title Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
title_full Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
title_fullStr Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
title_full_unstemmed Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
title_short Estimation of Potential Evapotranspiration and Crop Coefficient of Wheat at Rupandehi District of Nepal
title_sort estimation of potential evapotranspiration and crop coefficient of wheat at rupandehi district of nepal
topic Potential evapotranspiration
Crop coefficient
Aridity index
Wheat
Lysimeter
Nepal
url http://www.ijamad.com/2(no1)/IJAMAD5-2(1).pdf
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