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Assessing the Impact of Changing Climate on Crop Water Requirements in Nigeria. CIGR Journal
Ilesanmi, Oluwaseun Ayodele.
Climate change is a phenomenon most of the world is recently coming to terms with but unfortunately, the African region is yet to fully understand and prepare for its effects. The change is predicted to herald positive results likewise potentially severe consequences for global food security. This study aims to improve the understanding of the impact these changes being experienced in the Nigerian climate system will have on Crop Water Requirements (CWR) for optimal productivity. Five statistically downscaled and bias-corrected Global Climate Models (GCMs): CCCMA, NOAA, MIROC, ICHEC, and NCC were applied in the estimation of CWR through the period 1985–2100 under the Representative Concentration Pathway RCP8.5. These were used to produce values of crop...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crop water requirement; Climate Change; Nigeria; Rainfall; Temperature; Representative Concentration Pathways.
Ano: 2023 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/7521
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Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths Ciência Rural
Carvalho,Daniel Fonseca de; Oliveira Neto,Dionizio Honório de; Felix,Luiz Fernando; Guerra,José Guilherme Marinho; Salvador,Conan Ayade.
ABSTRACT: The aim of the present study was to evaluate the effect of different irrigation depths on the yield, water use efficiency (WUE), and yield response factor (Ky) of carrot (cv. 'Brasília') in the edaphoclimatic conditions of Baixada Fluminense, RJ, Brazil. Field trials were conducted in a Red-Yellow Argisol in the 2010-2011period. A randomized block design was used, with 5 treatments (depths) and 4 replicates. Depths were applied by drippers with different flow rates, and the irrigation was managed by time domain reflectometry (TDR) technique. The reference (ETo) and crop (ETc) evapotranspiration depths reached 286.3 and 264.1mm in 2010, and 336.0 and 329.9mm in 2011, respectively. The root yield varied from 30.4 to 68.9t ha-1 as a response to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Daucus carota; Crop water requirement; Soil water balance; TDR; Organic production.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701145
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