Research Article
Magnitude of Annual Soil Loss from a Hilly Cultivated Slope in Northern Vietnam and Evaluation of Factors Controlling Water Erosion
Table 1
Slope, land-cover, and particle-size distribution of topsoil in the twelve plots.
| | Group | Plot No. | Slope () | Land-cover | Particle-size distribution () | | 1 year | 2 year | 3 year | Gravel | Sand | Silt | Clay |
| | 1 | 8.0 | Bare | NA | NA | 43.5 | 39.0 | 2.9 | 14.6 | | A | 2 | 8.0 | MG | NA | NA | 31.1 | 45.2 | 5.9 | 17.8 | | 3 | 8.0 | Cassava | NA | NA | 29.7 | 53.1 | 4.7 | 12.5 |
| | 4 | 8.0 | Bare | NA | Bare | 44.6 | 43.4 | 2.9 | 9.2 | | B | 5 | 8.0 | MG | NA | MG | 28.5 | 55.1 | 4.4 | 12.0 | | 6 | 8.0 | Cassava | NA | Cassava | 27.3 | 47.9 | 6.0 | 18.7 |
| | 7 | 14.5 | Bare | Bare | NA | 38.9 | 41.1 | 6.0 | 13.9 | | C | 8 | 14.5 | Cassava | Cassava | NA | 48.5 | 29.9 | 6.6 | 15.0 | | 9 | 14.5 | Cassava | MG | NA | 82.6 | 10.2 | 2.3 | 5.0 |
| | 10 | 14.5 | Bare | Bare | Cassava | 29.8 | 40.0 | 9.0 | 21.2 | | D | 11 | 14.5 | Cassava | Cassava | MG | 41.2 | 33.5 | 7.5 | 17.8 | | 12 | 14.5 | Cassava | MG | Bare | 59.8 | 22.2 | 4.9 | 13.1 |
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MG: morning glory.
NA: not available because the experiment was not conducted or data was not complete.
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