Investigating false start of the main growing season: A case of Uganda in East Africa

False start of the growing season (Fsos) is a component of the onset variability related to agronomic drought that adversely impact on agricultural production and productivity. In the sub-Saharan Africa (SSA) where agriculture heavily depends on rainfall, the Fsos tends to create confusion among far...

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Autores principales:	Emmanuel Ocen, C.A.J.M. de Bie, Charles Onyutha
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	False start of growing season Precipitation variability Agronomic drought Science (General) Q1-390 Social sciences (General) H1-99
Acceso en línea:	https://doaj.org/article/c2b6435f04964673ae95e13f863a7f90
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id	oai:doaj.org-article:c2b6435f04964673ae95e13f863a7f90
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spelling	oai:doaj.org-article:c2b6435f04964673ae95e13f863a7f902021-12-02T05:03:10ZInvestigating false start of the main growing season: A case of Uganda in East Africa2405-844010.1016/j.heliyon.2021.e08428https://doaj.org/article/c2b6435f04964673ae95e13f863a7f902021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2405844021025317https://doaj.org/toc/2405-8440False start of the growing season (Fsos) is a component of the onset variability related to agronomic drought that adversely impact on agricultural production and productivity. In the sub-Saharan Africa (SSA) where agriculture heavily depends on rainfall, the Fsos tends to create confusion among farmers on when to start planting crops thereby affecting seed germination and normal growth after emergence. In this paper, we focus on the Fsos and the occurrence of dry spell especially before the Start of growing Season (SoS). We take advantage of the existing rainfall estimates (CHIRPS) and remotely sensed data for vegetation performance (NDVI) over the period 1999–2017 in combination with local knowledge derived from farmers to map out areas at risk of (i) dry spell at the SoS, and (ii) false timing of SoS or high probability of occurrence of the Fsos. We found that the North Eastern part of Uganda (8.8% of arable area) were at risk of dry spell throughout each year. However, the greater North (58.1% of arable area) was prone to dry spell during the onset of the March–May season. Areas in the South Western (3.7%) region were at risk during the onset of the September–November season. The probability that a location in Uganda experiences an Fsos falls between 0-53%. The findings in this study are vital for planning of predictive adaptation to the impacts of climate variability on agriculture amid struggle aimed at tackling food insecurity challenge in the SSA.Emmanuel OcenC.A.J.M. de BieCharles OnyuthaElsevierarticleFalse start of growing seasonPrecipitation variabilityAgronomic droughtScience (General)Q1-390Social sciences (General)H1-99ENHeliyon, Vol 7, Iss 11, Pp e08428- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	False start of growing season Precipitation variability Agronomic drought Science (General) Q1-390 Social sciences (General) H1-99
spellingShingle	False start of growing season Precipitation variability Agronomic drought Science (General) Q1-390 Social sciences (General) H1-99 Emmanuel Ocen C.A.J.M. de Bie Charles Onyutha Investigating false start of the main growing season: A case of Uganda in East Africa
description	False start of the growing season (Fsos) is a component of the onset variability related to agronomic drought that adversely impact on agricultural production and productivity. In the sub-Saharan Africa (SSA) where agriculture heavily depends on rainfall, the Fsos tends to create confusion among farmers on when to start planting crops thereby affecting seed germination and normal growth after emergence. In this paper, we focus on the Fsos and the occurrence of dry spell especially before the Start of growing Season (SoS). We take advantage of the existing rainfall estimates (CHIRPS) and remotely sensed data for vegetation performance (NDVI) over the period 1999–2017 in combination with local knowledge derived from farmers to map out areas at risk of (i) dry spell at the SoS, and (ii) false timing of SoS or high probability of occurrence of the Fsos. We found that the North Eastern part of Uganda (8.8% of arable area) were at risk of dry spell throughout each year. However, the greater North (58.1% of arable area) was prone to dry spell during the onset of the March–May season. Areas in the South Western (3.7%) region were at risk during the onset of the September–November season. The probability that a location in Uganda experiences an Fsos falls between 0-53%. The findings in this study are vital for planning of predictive adaptation to the impacts of climate variability on agriculture amid struggle aimed at tackling food insecurity challenge in the SSA.
format	article
author	Emmanuel Ocen C.A.J.M. de Bie Charles Onyutha
author_facet	Emmanuel Ocen C.A.J.M. de Bie Charles Onyutha
author_sort	Emmanuel Ocen
title	Investigating false start of the main growing season: A case of Uganda in East Africa
title_short	Investigating false start of the main growing season: A case of Uganda in East Africa
title_full	Investigating false start of the main growing season: A case of Uganda in East Africa
title_fullStr	Investigating false start of the main growing season: A case of Uganda in East Africa
title_full_unstemmed	Investigating false start of the main growing season: A case of Uganda in East Africa
title_sort	investigating false start of the main growing season: a case of uganda in east africa
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/c2b6435f04964673ae95e13f863a7f90
work_keys_str_mv	AT emmanuelocen investigatingfalsestartofthemaingrowingseasonacaseofugandaineastafrica AT cajmdebie investigatingfalsestartofthemaingrowingseasonacaseofugandaineastafrica AT charlesonyutha investigatingfalsestartofthemaingrowingseasonacaseofugandaineastafrica
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Investigating false start of the main growing season: A case of Uganda in East Africa

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