Journal of Soil and Plant Interactions
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Abstract: (165 Views)
In order to determination of evapotranspiration and crop coefficient of camelina in different growth stages under normal (i.e. without water shortage and salinity) and abnormal conditions (i.e. under drought and salinity stress), a pot experiment as factorial (with three factors including salinity, irrigation water and growth stage) in a form of completely randomized design with three replications was conducted. Three irrigation treatments including 100 (W1), 75 (W2) and 50% (W3) water requirement and four salinity levels including 0.7(S1), 4 (S2), 8 (S3) and 12 dS m-1 (S4) were used in greenhouse with plastic cover. The results showed that cumulative evapotranspiration of camelina during growth stage (i.e. 61 days) was 245 mm in greenhouse. By increasing irrigation water salinity, camelina evapotranspiration decreased by 9.84, 26.57 and 47% in W0S1, W0S2 and W0S3 treatments, respectively. Under irrigation with fresh water and without salinity stress, crop coefficient was identified 0.45, 0.9, 1.35 and 0.5 for initial, development, middle and final growth stage, respectively. Camelina crop coefficient at the initial, development, middle and final growth stage of W2S3 treatment decreased by 44, 60, 64 and 54% respectively compared to W0S0 treatment. Due to the quantitative and qualitative reduction of underground water resources in the forbidden plain of Kashmir, it is suggested to modify the plant coefficient of Camelina in relation to irrigation water salinity and water scarcity.
Type of Study: Research |
Subject:
Plant growth under stressful conditions
Received: 2024/06/8 | Accepted: 2024/10/30 | Published: 2024/08/31
Received: 2024/06/8 | Accepted: 2024/10/30 | Published: 2024/08/31
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Journal of Soil and Plant Interactions by http://jspi.iut.ac.ir is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
