Research Article
The Impact of Tillage and Weed Control Methods on Physical Properties of Sandy Clay Loam Forest Ochrosol in Cassava Cultivation
Table 7
Weed control Method’s effect on soil penetration resistance.
| Soil penetration resistance (kPa) |
| Depth (cm) | | 0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 | 0–15 | 15–30 | 30–60 |
| Weed control | Before tillage | At 3 MAP | After harvest |
| Hoe | 75.62 | 101.21 | 144.53 | 45.31 | 64.23 | 118.17 | 78.27 | 86.85 | 130.61 |
| Machete | 82.75 | 108.35 | 132.23 | 48.67 | 73.80 | 111.39 | 90.10 | 100.11 | 143.63 |
| No weeding | 79.63 | 111.46 | 141.07 | 59.09 | 80.33 | 127.73 | 77.16 | 90.03 | 144.79 |
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Interpretation: = significant difference at . |