Abstract
Indonesia is still facing several problems concerning to degraded land. These problems often a result of surface runoff and erosion. The intensity of surface runoff and erosion depended on one of the others is soil cover. Research on surface runoff and erosion on various sengon-based agroforestry pattern has been conducted to address this challenge. Plots of various patterns are as follow A: sengon plantation; B: sengon + coffee + gamal + cassava + cowpea; C: sengon + coffee + gamal + cacao + corn +cowpea; D: sengon + coffee + gamal + ginger + cowpea; E: sengon + coffee + gamal + ginger + corn + cowpea; F: reeds (control). The results show that agroforestry patterns are very effective in reducing soil surface runoff and erosion. The B pattern was considered as the best combination compared to the other combinations in this research. The decrease in the surface runoff and erosion rate was 74.33% and 63.42%, respectively. While the highest surface runoff and erosion occur in the D pattern, which was given the surface runoff and erosion value of 565.6 mm/ha/year and 3.4 ton/ha/year, respectively.
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