Research Article
Integrated Use of Cattle Manure and NPS Fertilizer to Improve the Yield of Grain Amaranth (Amaranthus caudatus L.) in Southwest Ethiopia
Table 5
Partial budget analysis for the interaction effect of cattle manure and NPS Fertilizers on grain amaranth at Guraferda, Menitgoldiya, and Menitshasha.
| Treatments | Av. Grain yield (kg·ha−1) | Adjusted yield (kg·ha−1) | Total variable cost (ETB·ha−1) | Gross field benefit (ETB·ha−1) | Net benefit (ETB·ha−1) | NPS | Cattle manure |
| 0 | 0 | 363.8 | 327 | 461 | 6548 | 6088 | 4 | 586.3 | 528 | 2096 | 10553 | 8458 | 8 | 659 | 593 | 2903 | 11862 | 8959 | 12 | 687 | 618 | 3738 | 12366 | 8628 |
| 20 | 0 | 707.3 | 637 | 2176 | 12731 | 10555 | 4 | 742.5 | 668 | 3664 | 13365 | 9701 | 8 | 745.6 | 671 | 4468 | 13421 | 8953 | 12 | 852.1 | 767 | 5326 | 15338 | 10012 |
| 40 | 0 | 682 | 614 | 3009 | 12276 | 9267 | 4 | 786 | 707 | 4606 | 14148 | 9542 | 8 | 804.1 | 724 | 5447 | 14474 | 9027 | 12 | 850.3 | 765 | 6294 | 15305 | 9011 |
| 60 | 0 | 713.3 | 642 | 3874 | 12839 | 8965 | 4 | 946.4 | 852 | 5626 | 17035 | 11409 | 8 | 1058.6 | 953 | 6569 | 19055 | 12486 | 12 | 1264.4 | 1138 | 7553 | 22759 | 15206 |
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Based on total variable cost. |