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ProCrop 1999 |
| Table 2. Crop Salinity Tolerance Rating, Field Crops | ||||||||
| Crop | Threshold Salinity | %Yield Decrease | Ece at 70% yield | Relative Tolerance | ||||
| 1:1 soil-water Slurry dS/m | Saturated Paste dS/m | Saturated Paste extract % per dS/m | Saturated paste extract dS/m | S | MS | MT | T | |
| Alfalfa | 1.6 | 2.0 | 7.3 | 6.1 | X | |||
| Barley** | 2.2 | 5.2 | 8.6 | 8.5 | X | |||
| Beans, dry | 0.7 | 1.0 | 19.0 | 2.6 | X | |||
| Corn | 1.0 | 1.7 | 12.0 | 4.2 | X | |||
| Flax | 1.0 | 1.7 | 12.0 | 4.2 | X | |||
| Millet | -- | -- | -- | -- | X | |||
| Oats* | -- | -- | 6.4 | -- | X | |||
| Potato | -- | 1.5 | 14.0 | 3.6 | X | |||
| Rape* | -- | -- | 8.4 | -- | X | |||
| Rye* | -- | -- | 5.7 | 11.2 | X | |||
| Safflower* | -- | -- | 6.4 | 7.2 | X | |||
| Sobyean**** | 2.2 | 7.5 | 21.3 | 9.0 | X | |||
| Sudan grass | -- | 2.8 | 4.3 | 3.6 | X | |||
| Sugarbeet | 3.0 | 7.0 | 5.9 | 9.8 | X | |||
| Sunflower | 1.3 | 2.5 | 3.4 | 11.3 | X | |||
| Wheat*** | 2.5 | 5.5 | 8.0 | 8.3 | X | |||
| Wheat, Durum | 2.2 | 5.9 | 3.8 | 13.8 | X | |||
*% Yield decrease and 70% loss in yield dS/m values from Holm, 1979.
S=sensitive, MS+moderately sensitive, MT+moderately tolerant and
T+tolerant.
**From Maianu and Lukach, 1985.
***From Maianu, 1983.
****From Maianu, 1984.
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| Terry Gregoire, Area Extension Specialist/Cropping Systems NDSU Extension Service Box 477, Traynor Building Devils Lake, ND 58301-0477 |
Phone No.(701)662-7080 FAX (701) 662-1365 tgregoir@ndsuext.nodak.edu |
