Research Article
Inclusive Technology Performance Evaluation in the Production of Teff (Eragrostis tef (Zucc.) Trotter)
Table 6
The correlation between measured agronomic traits rank and farmers’ preference ranks among treatments across districts.
| Districts | Treatments | Grain (ton ha−1) | Ranks | Biomass (ton ha−1) | Ranks | Days to maturity | Earliness rank | A | F | d 2 | A | F | d2 | A | F | d 2 |
| Sekota | IKIM | 17.5 | 1st | 1st | (1 − 1)2 | 34.0 | 1st | 1st | (1 − 1)2 | 95 | 1st | 1st | (1 − 1)2 | IBIM | 14.8 | 2nd | 2nd | (2 − 2)2 | 30.0 | 2nd | 2nd | (2 − 2)2 | 95 | 2nd | 2nd | (2 − 2)2 | LBIM | 10.3 | 3rd | 3rd | (3 − 3)2 | 25.5 | 3rd | 3rd | (3 − 3)2 | 95 | 3rd | 3rd | (3 − 3)2 | LBFM | 7.0 | 4th | 4th | (4 − 4)2 | 12.0 | 4th | 4th | (4 − 4)2 | 95 | 4th | 4th | (4 − 4)2 | | r s = 1 (100%) | r s = 1 (100%) | r s = 1 (100%) |
| Dehana | IKIM | 14.5 | 1st | 1st | (1 − 1)2 | 31.0 | 1st | 1st | (1 − 1)2 | 95 | 1st | 1st | (1 − 1)2 | IBIM | 10.5 | 2nd | 2nd | (2 − 2)2 | 27.0 | 2nd | 2nd | (2 − 2)2 | 95 | 2nd | 2nd | (2 − 2)2 | LBIM | 8.5 | 3rd | 3rd | (3 − 3)2 | 20.0 | 3rd | 3rd | (3 − 3)2 | 95 | 3rd | 3rd | (3 − 3)2 | LBFM | 5.8 | 4th | 4th | (4 − 4)2 | 13.0 | 4th | 4th | (4 − 4)2 | 95 | 4th | 4th | (4 − 4)2 | | r s = 1 (100%) | r s = 1 (100%) | r s = 1 (100%) |
| Lasta | IKIM | 16.25 | 1st | 1st | (1 − 1)2 | 28.4 | 1st | 1st | (1 − 1)2 | 94 | 1st | 1st | (1 − 1)2 | IBIM | 14.0 | 2nd | 2nd | (2 − 2)2 | 26.8 | 2nd | 2nd | (2 − 2)2 | 94 | 2nd | 2nd | (2 − 2)2 | LBIM | 10.8 | 3rd | 3rd | (3 − 3)2 | 19.0 | 3rd | 3rd | (3 − 3)2 | 98 | 3rd | 3rd | (3 − 3)2 | LBFM | 6.3 | 4th | 4th | (4 − 4)2 | 11.8 | 4th | 4th | (4 − 4)2 | 98 | 4th | 4th | (4 − 4)2 | | r s = 1 (100%) | r s = 1 (100%) | r s = 1 (100%) |
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Note. A (actual), F (farmers’), rs (correlation coefficient), and d (difference in ranks assigned to the same phenomenon); IKIM (Improved “Korra” teff variety + improved management practices), IBIM (Improved “Bosset” teff variety + improved management practices), LBIM (Local “Burssa” teff variety + improved management practices), LBFM (Local “Burssa” teff variety + farmers’ existing management practices).
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