Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)

Variations in climatic conditions have direct impacts on plant growth and crop yields, both in quality and quantity. In recent years, many studies have proven the hypothesis of global warming. In the context of climate change, the study of the behavior of cultivated plants has become a necessity, in...

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Autores principales:	Mohammed Faci, Salah Eddine Benziouche
Formato:	article
Lenguaje:	EN FR
Publicado:	Presses Agronomiques de Gembloux 2021
Materias:	thermo-hygrometer dates deglet nour algeria Agriculture S
Acceso en línea:	https://doaj.org/article/4ca89f69bb9b46d0b4e7ef8dc573920b
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spelling	oai:doaj.org-article:4ca89f69bb9b46d0b4e7ef8dc573920b2021-11-15T15:37:47Z Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour) 10.25518/2295-8010.18980771-33122295-8010https://doaj.org/article/4ca89f69bb9b46d0b4e7ef8dc573920b2021-09-01T00:00:00Zhttps://popups.uliege.be/2295-8010/index.php?id=1898https://doaj.org/toc/0771-3312https://doaj.org/toc/2295-8010Variations in climatic conditions have direct impacts on plant growth and crop yields, both in quality and quantity. In recent years, many studies have proven the hypothesis of global warming. In the context of climate change, the study of the behavior of cultivated plants has become a necessity, in order to guarantee the food security of the populations. Our contribution focuses on the influence of temperature and relative air humidity on the development cycle of Deglet Nour dates in Biskra. To achieve our objectives, we followed the phenological cycle of the date palm, cultivar Deglet Nour, for two years (2018 and 2019). At the same time, thermo-hygrometric recorders were installed inside the palm groves of Lichana and El-Kantara. Finally, we calculated the thermal accumulation and the time required for the dates to ripen. Deglet Nour dates, in the wilaya (province) of Biskra, require a thermal accumulation of approximately 3450-4250°C to ripen, equivalent to 30-44 weeks. The results show that air temperatures and humidity have been trending upwards. The dates of the appearance and opening of the spathes have become earlier and the same for the maturity of the fruits.Mohammed FaciSalah Eddine BenziouchePresses Agronomiques de Gemblouxarticlethermo-hygrometerdatesdeglet nouralgeriaAgricultureSENFRTropicultura, Vol 39, Iss 3 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	thermo-hygrometer dates deglet nour algeria Agriculture S
spellingShingle	thermo-hygrometer dates deglet nour algeria Agriculture S Mohammed Faci Salah Eddine Benziouche Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
description	Variations in climatic conditions have direct impacts on plant growth and crop yields, both in quality and quantity. In recent years, many studies have proven the hypothesis of global warming. In the context of climate change, the study of the behavior of cultivated plants has become a necessity, in order to guarantee the food security of the populations. Our contribution focuses on the influence of temperature and relative air humidity on the development cycle of Deglet Nour dates in Biskra. To achieve our objectives, we followed the phenological cycle of the date palm, cultivar Deglet Nour, for two years (2018 and 2019). At the same time, thermo-hygrometric recorders were installed inside the palm groves of Lichana and El-Kantara. Finally, we calculated the thermal accumulation and the time required for the dates to ripen. Deglet Nour dates, in the wilaya (province) of Biskra, require a thermal accumulation of approximately 3450-4250°C to ripen, equivalent to 30-44 weeks. The results show that air temperatures and humidity have been trending upwards. The dates of the appearance and opening of the spathes have become earlier and the same for the maturity of the fruits.
format	article
author	Mohammed Faci Salah Eddine Benziouche
author_facet	Mohammed Faci Salah Eddine Benziouche
author_sort	Mohammed Faci
title	Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
title_short	Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
title_full	Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
title_fullStr	Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
title_full_unstemmed	Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)
title_sort	relationship between thermo-hygrometric variations and the maturity of dates in biskra (case of deglet nour)
publisher	Presses Agronomiques de Gembloux
publishDate	2021
url	https://doaj.org/article/4ca89f69bb9b46d0b4e7ef8dc573920b
work_keys_str_mv	AT mohammedfaci relationshipbetweenthermohygrometricvariationsandthematurityofdatesinbiskracaseofdegletnour AT salaheddinebenziouche relationshipbetweenthermohygrometricvariationsandthematurityofdatesinbiskracaseofdegletnour
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Relationship between thermo-hygrometric variations and the maturity of dates in Biskra (Case of Deglet Nour)

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