Impact of Hydro-Edaphic Stress on Rooting and Productivity of 'Deglet Noor' Date Palm of the Ouargla Basin (Northern Algerian Sahara)

Bouhoun, Mustapha Daddi; Saker, Mohamed Lakhdar; Hadj, Mohamed Didi Ould El; Brinis, Louhichi

doi:10.17660/actahortic.2013.994.7

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“…The current drainage system works so poorly. This can create a condition of hydro-halomorphie which limits root development and yield [17,29].…”

Section: Figure 5 Levels and Salinity Of Water Tablementioning

confidence: 99%

“…The lack of outfall and discharges as drainage and wastewaters promotes to upwelling of water table in palm groves. These have been degraded by salinization and waterlogging which results in the beginning by root growth problems [15], drop in yields [16] and flowing late by the decline of date palms [17]. In addition, it is found that the upwelling of water table conduct to insalubrity and health problems and finally to destruction of buildings and structures [18].…”

Section: Introductionmentioning

confidence: 99%

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Study of hydro-saline characteristics of soils a palm grove in basin of Ouargla (Northern Algerian Sahara)

Djihed¹,

Bouhoun²,

Boutoutaou³

et al. 2016

AIP Conference Proceedings

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Saharan soils are often faced with several problems of development, taking account the hydro-edaphic constraints, mainly of hydric types by water table, mechanical by gypso-calcareous crusts and saline by irrigation waters and upwelling of water table. Our work consists in doing a soil characterization of a palm grove in Ouargla in order to study the constraints hydro-halomorphes. The results show that irrigation water by two plies of Senonian and Mioplcène had a high salinity with a value of 2.83 and 5.10 dS.m-1 respectively. The conduct of irrigation is traditional random of submersion type.The palm grove has a poor drainage with a level of water table 156.67±15.71 cm and salinity of 31.37±34.04 dS.m-1. The drains are open type and their maintenance is not regular. This situation of management of irrigation-drainage promotes the upwelling of water table and the waterlogging in soils. The study of soil profiles shows the existence of mechanical obstruction of gypso-calcareous crusts which limit the entrenchment of the date palms and the leaching of salts. Soil salinity is excessive in profiles with a range of 8.98 ± 4.58 dS.m-1. This accumulation of salts is due to the dynamic ascending and descending of salts respectively under the effect of upwelling of water table and leaching by irrigation. The salinization, the upwelling of water table and the presence of gypso-calcareous crusts recorded in Ouargla testify to a degradation hydro-halomorphe and mechanic of soil which constitute the major constraints in the management of system irrigation-drainage and sustainable agricultural development of the palm groves of the basin of Ouargla. Some hydro-agricultural planning are necessary to apply in the oasis to improve the hydromechanical properties of soils in order to reduce their degradation.

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“…The current drainage system works so poorly. This can create a condition of hydro-halomorphie which limits root development and yield [17,29].…”

Section: Figure 5 Levels and Salinity Of Water Tablementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of hydro-saline characteristics of soils a palm grove in basin of Ouargla (Northern Algerian Sahara)

Djihed¹,

Bouhoun²,

Boutoutaou³

et al. 2016

AIP Conference Proceedings

View full text Add to dashboard Cite

show abstract

Impact of Hydro-Edaphic Stress on Rooting and Productivity of 'Deglet Noor' Date Palm of the Ouargla Basin (Northern Algerian Sahara)

Cited by 1 publication

References 0 publications

Study of hydro-saline characteristics of soils a palm grove in basin of Ouargla (Northern Algerian Sahara)

Study of hydro-saline characteristics of soils a palm grove in basin of Ouargla (Northern Algerian Sahara)

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