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Istituto Agronomico Mediterraneo di Bari (IAMB) 2003

Non-conventional water resources, the saline water, as supplemental irrigation for cereal crops under rainfed agriculture

Karam Ahmed, Farrag Ghanem

Titre : Non-conventional water resources, the saline water, as supplemental irrigation for cereal crops under rainfed agriculture

Auteur : Karam Ahmed, Farrag Ghanem

Etablissement de soutenance : Istituto Agronomico Mediterraneo di Bari (IAMB) - Centre international de hautes études agronomiques méditerranéennes (CIHEAM)

Diplôme : Master of science : Land and water resource management : irrigated agriculture (2003)

Résumé
This work focuses on the possibility of applying brackish water (3 to 9 dS/m) as supplemental irrigation to wheat, barley and corn. The trial was conducted at IAMBari greenhouse over 36 pots per each of the three crops ; the fully fresh-water irrigated treatment gave the best biomass and yield, the drought-simulating treatment from flowering gave the worst results and the other treatments with supplemental irrigation as a fraction of full irrigation, either with fresh or brackish water gave a rather uniform, homogeneous response.Wheat and barley showed higher crop water productivity as compared to the fully irrigated control : this points to the possibility of reducing drought-risk through applying small quantities of brackish water, without seriously impairing soil fertility since the quantities of added salts are however very small.Corn showed reduced drought-tolerance in the late vegetative and following stages, which makes the solution not applicable to this crop.

Mots-clés : CEREAL CROPS RAINFED FARMING SALINE WATER SUPPLEMENTAL IRRIGATION WATER RESOURCES

Présentation (IAMB Library)

Page publiée le 16 juin 2014, mise à jour le 10 septembre 2018