Land, Volume 8, Issue 11 (November 2019) – 20 articles
Cover Story (view full-size image): Intensification of rainfed agriculture in the Ethiopian highlands has resulted in soil degradation and hardpan formation. We carried out a study in five locations with three tillage treatments to investigate the impact of subsoiling of degraded soil on surface runoff, sediment loss, and maize yield. We found that deep tillage to 60 cm compared to both conventional tillage to a depth of 15 cm with the ox-driven Maresha plow and no-till had greater infiltration rates and maize yields and less runoff and soil loss. Overall, our findings show that deep tillage can be effective in overcoming some of the detrimental effects of hardpans in degraded soils. View this paper.
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