Table 6.
Economic analysis for effect of nitrogen fertilizer levels on yield and grain quality of malting barley in Chole in the southeastern highlands of Ethiopia.
| Treatments for N rate [kg ha−1] | Adjusted grain yield [kg ha−1] | Adjusted straw yield [kg ha−1] | Gross field benefits [US$ ha−1] | Total cost that vary [US$ ha−1] | Net benefit [US$ ha−1] | Marginal rate of return |
|---|---|---|---|---|---|---|
| 0 | 2,332.49 | 3,222.23 | 1,428.68 | 0.00 | 1,428.68 | |
| 18 | 2,530.93 | 3,680.15 | 1,562.90 | 16.73 | 1,546.17 | 7.02 |
| 36 | 2,731.64 | 4,118.71 | 1,696.97 | 33.46 | 1,663.50 | 7.01 |
| 54 | 2,999.55 | 4,572.42 | 1,866.83 | 50.19 | 1,816.63 | 9.15 |