Evaluation of Water Stress Coefficient Ks in Different Olive Orchards
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Description and Cultivation Details
2.2. Methodological Approaches of the Estimation of Water Stress Coefficient (Ks)
2.3. Environmental Variables—Measurements of Soil Water Status
2.4. Measurements of Plants Water Status
3. Results and Discussion
3.1. Comparing Methodologies
3.2. Comparison between Two Experimental Sites Based οn the Methodological Approach
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Original FAO Method | “Validation“ Method | |||
---|---|---|---|---|
Variables | M1 | M5 | M1 | M5 |
Soil water at FC (m3/m3) | 0.42 | 0.35 | 0.45 | 0.31 |
Soil water at PWP (m3/m3) | 0.29 | 0.24 | 0.23 | 0.17 |
Threshold value (θ*) (m3/m3) | - | - | 0.30 | 0.22 |
Depletion factor, p | 0.65 | 0.61 | - | - |
Total available water (TAW) | 63.0 | 67.8 | 110 | 84.0 |
Readily available water (RAW) | 40.9 | 41.7 | 75.0 | 54.0 |
Maximum rooting depth (m) | 0.50 | 0.60 | 0.50 | 0.60 |
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Kokkotos, E.; Zotos, A.; Patakas, A. Evaluation of Water Stress Coefficient Ks in Different Olive Orchards. Agronomy 2020, 10, 1594. https://doi.org/10.3390/agronomy10101594
Kokkotos E, Zotos A, Patakas A. Evaluation of Water Stress Coefficient Ks in Different Olive Orchards. Agronomy. 2020; 10(10):1594. https://doi.org/10.3390/agronomy10101594
Chicago/Turabian StyleKokkotos, Efthimios, Anastasios Zotos, and Angelos Patakas. 2020. "Evaluation of Water Stress Coefficient Ks in Different Olive Orchards" Agronomy 10, no. 10: 1594. https://doi.org/10.3390/agronomy10101594