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TriSCAN Manual Version 1.2a
Copyright © 1991 2004 Sentek Pty Ltd All rights reserved Page 44
Appendix 4: Crop Tolerance and Yield Potential of Selected Crops as
Influenced by Irrigation Water Salinity and Soil Salinity
Table 9. Crop Tolerance and Yield Potential of Field Crops as Influenced by Irrigation Water Salinity (EC
w
)
and Soil Salinity (EC
e
) from Ayars and Westcott 1994
Yield Potential
100 % 90 % 75 % 50 % 0 %
(maximum)
Field Crops
EC
e
EC
w
EC
e
EC
w
EC
e
EC
w
EC
e
EC
w
EC
e
EC
w
Barley
(Hordeum vulgare)
8.0 5.3 10 6.7 13.0 8.7 18.0 12.0 28.0 19.0
Cotton
(Gossypium hirsutum)
7.7 5.1 9.6 6.4 13.0 8.4 17.0 12.0 27.0 18.0
Sugarbeet
(Beta vulgaris)
7.0 4.7 8.7 5.8 11.0 7.5 15.0 10.0 24.0 16.0
Sorghum
(Sorghum bicolor)
6.8 4.5 7.4 5.0 8.4 5.6 9.9 6.7 13.0 8.7
Wheat
(Triticum aestivum)
6.0 4.0 7.4 4.9 9.5 6.3 13.0 8.7 20.0 13.0
Wheat, durum
(Triticum turgidum)
5.7 3.8 7.6 5.0 10.0 6.9 15.0 10.0 24.0 16.0
Soybean
(Glycine max)
5.0 3.3 5.5 3.7 6.3 4.2 7.5 5.0 10.0 6.7
Cowpea
(Vigna unguiculata)
4.9 3.3 5.7 3.8 7.0 4.7 9.1 6.0 13.0 8.8
Groundnut (Peanut)
(Arachis hypogaea)
3.2 2.1 3.5 2.4 4.1 2.7 4.9 3.3 6.6 4.4
Rice (paddy)
(Oriza sativa)
3.0 2.0 3.8 2.6 5.1 3.4 7.2 4.8 11.0 7.6
Sugar cane
(Saccharum
officinarum)
1.7 1.1 3.4 2.3 5.9 4.0 10.0 6.8 19.0 12.0
Corn (maize)
(Zea mays)
1.7 1.1 2.5 1.7 3.8 2.5 5.9 3.9 10.0 6.7
Flax
(Linum usitatissimum)
1.7 1.1 2.5 1.7 3.8 2.5 5.9 3.9 10.0 6.7
Broadbean
(Vicia faba)
1.5 1.1 2.6 1.8 4.2 2.0 6.8 4.5 12.0 8.0
Bean
(Phasesolus vulgaris)
1.0 0.7 1.5 1.0 2.3 1.5 3.6 2.4 6.3 4.2
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