Review Article
Soil and Water Conservation Nexus Agricultural Productivity in Ethiopia
Table 8
Impact of soil and water conservation practices on grain yield (mean difference) of crops (kg ha
−1) related to rainfall, altitude, and slope [
39].
| | SWC practices | N | Average annual rainfall (mm) | Average altitude (mm) | Average slope (%) | Yield mean difference (kg ha−1) |
| | Stone bund | 18 | 1138.7 | 2122.8 | 14.1 | 321.7 | | Graded fanya juu | 37 | 1454.3 | 2344.8 | 18.7 | −53.7 | | Graded soil bund | 43 | 1417.6 | 2360.3 | 16.8 | −144.9 | | Level fanya juu | 44 | 1307.5 | 2375.8 | 20.7 | −172.7 | | Level soil bund | 15 | 1030.2 | 2331.3 | 19.82 | −193.2 | | Grass strip | 29 | 1378.3 | 2390.9 | 18.6 | −158.9 | | Minimum tillage | 62 | 896.9 | 1990.3 | 3.3 | 108.4 | | Mulching | 17 | 876.7 | 2146.6 | 4.7 | 629.2 | | Tied -ridge | 103 | 695.1 | 2022.8 | 4.4 | 554.3 | | FYM | 78 | 1048.0 | 1794.6 | 3.8 | 3917.9 | | Compost | 36 | 1228.9 | 2268.1 | 2.2 | 782.9 |
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